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October 2022 Security Bulletin

Updated On: 01/05/2023

This security bulletin is intended to help Qualcomm Technologies, Inc. (QTI) customers incorporate security updates in launched or upcoming devices. This document includes (i) a description of security issues that have been addressed in QTI’s proprietary code and (ii) links to publicly available code where security issues have been addressed.

Please reach out to [email protected] for any questions related to this bulletin.

Table of Contents

Announcements
Acknowledgements
Proprietary Software Issues
Open Source Software Issues
Industry Coordination

Announcements

None

Acknowledgements

We would like to thank these researchers for their contributions in reporting these issues to us.

CVE-2022-25660,CVE-2022-25661,CVE-2022-25665 Pengfei Ding(丁鹏飞)
CVE-2022-33214 lovepink
CVE-2022-33217 chen gengjia
CVE-2022-22078 Gengjia Chen ( @chengjia4574 ) from IceSword Lab
CVE-2022-25662 Le Wu of Baidu Security
CVE-2022-25663 Gengjia Chen ( @chengjia4574 ) from IceSword LabGengjia Chen ( @chengjia4574 ) from IceSword Lab
CVE-2022-25664 Man Yue Mo of GitHub Security Lab
CVE-2022-25666 Seonung Jang(@IFdLRx4At1WFm74)

Proprietary Software Issues

The tables below summarize security vulnerabilities that were addressed through proprietary software

This table lists high impact security vulnerabilities. Patches have been released for affected products.OEMs have been notified and strongly recommended to release patches on end devices.

Public ID Security Rating CVSS Rating Technology Area Date Reported
CVE-2022-25718 Critical Critical Network Service Internal
CVE-2022-25748 Critical Critical WLAN Firmware Internal
CVE-2022-25660 High High KERNEL 12/01/2021
CVE-2022-25661 High High KERNEL 12/07/2021
CVE-2022-25687 High High Video Internal
CVE-2022-25719 High High Network Service Internal
CVE-2022-25736 High High WLAN Firmware Internal
CVE-2022-25749 High High WLAN Firmware Internal
CVE-2022-33210 High High Multimedia Internal

This table lists moderate security vulnerabilities. OEMs have been notified and encouraged to patch these issues.

Public ID Security Rating CVSS Rating Technology Area Date Reported
CVE-2022-25662 Medium Medium Video 07/14/2021
CVE-2022-25663 Medium Medium WLAN Windows Host 07/20/2021
CVE-2022-25665 Medium Medium KERNEL 12/07/2021

CVE-2022-25718

CVE ID CVE-2022-25718
Title Cryptographic Issue in WLAN
Description Cryptographic issue in WLAN due to improper check on return value while authentication handshake
Technology Area Network Service
Vulnerability Type CWE-310 Cryptographic Issues
Access Vector Remote
Security Rating Critical
CVSS Rating Critical
CVSS Score 9.1
CVSS String CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Date Reported Internal
Customer Notified Date 2022/07/04
Affected Chipsets* APQ8009, APQ8009W, APQ8016, APQ8017, APQ8037, APQ8052, APQ8053, APQ8056, APQ8064AU, APQ8076, APQ8092, APQ8094, APQ8096AU, AR8031, CSRA6620, CSRA6640, CSRB31024, MDM8215, MDM9205, MDM9206, MDM9215, MDM9250, MDM9310, MDM9607, MDM9615, MDM9628, MDM9640, MDM9645, MDM9650, MSM8108, MSM8208, MSM8209, MSM8608, MSM8909W, MSM8917, MSM8920, MSM8937, MSM8940, MSM8952, MSM8953, MSM8956, MSM8976, MSM8976SG, MSM8992, MSM8994, MSM8996AU, PM8937, QCA0000, QCA1023, QCA1990, QCA4004, QCA4010, QCA4020, QCA4024, QCA6174, QCA6174A, QCA6175A, QCA6310, QCA6320, QCA6554A, QCA6564, QCA6564A, QCA6564AU, QCA6574, QCA6574A, QCA6574AU, QCA6584, QCA6584AU, QCA6595, QCA6595AU, QCA6696, QCA9367, QCA9369, QCA9377, QCA9379, QCC5100, QCS405, QET4101, QSW8573, Qualcomm215, SA415M, SA515M, SA6145P, SA6150P, SA6155, SA6155P, SA8145P, SA8150P, SA8155, SA8155P, SA8195P, SD 455, SD 636, SD205, SD210, SD429, SD439, SD450, SD460, SD632, SD660, SD820, SD821, SD835, SD845, SDA429W, SDM429W, SDM630, SDW2500, SDX12, SDX20, SDX20M, SDX24, SDX55, SW5100, SW5100P, WCD9306, WCD9326, WCD9330, WCD9335, WCD9340, WCD9341, WCD9360, WCD9370, WCD9375, WCN3610, WCN3615, WCN3620, WCN3660, WCN3660B, WCN3680, WCN3680B, WCN3950, WCN3980, WCN3988, WCN3990, WCN3998, WCN3999, WSA8810, WSA8815, WSA8830, WSA8835

CVE-2022-25748

CVE ID CVE-2022-25748
Title Integer Overflow to Buffer Overflow in WLAN
Description Memory corruption in WLAN due to integer overflow to buffer overflow while parsing GTK frames.
Technology Area WLAN Firmware
Vulnerability Type CWE-680 Integer Overflow to Buffer Overflow
Access Vector Remote
Security Rating Critical
CVSS Rating Critical
CVSS Score 9.8
CVSS String CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Date Reported Internal
Customer Notified Date 2022/07/04
Affected Chipsets* APQ8009, APQ8017, APQ8076, APQ8096AU, AQT1000, AR8031, AR8035, AR9380, CSR8811, CSRA6620, CSRA6640, CSRB31024, IPQ4018, IPQ4028, IPQ4029, IPQ5010, IPQ5018, IPQ5028, IPQ6000, IPQ6010, IPQ6018, IPQ6028, IPQ8064, IPQ8069, IPQ8070, IPQ8070A, IPQ8071, IPQ8071A, IPQ8072, IPQ8072A, IPQ8074, IPQ8074A, IPQ8076, IPQ8076A, IPQ8078, IPQ8078A, IPQ8173, IPQ8174, IPQ9008, MDM8215, MDM9206, MDM9215, MDM9250, MDM9310, MDM9607, MDM9615, MDM9628, MDM9640, MDM9645, MDM9650, MSM8976, MSM8996AU, PMP8074, QAM8295P, QCA1023, QCA1062, QCA1064, QCA2062, QCA2064, QCA2065, QCA2066, QCA4020, QCA4024, QCA4531, QCA6174, QCA6174A, QCA6175A, QCA6310, QCA6320, QCA6335, QCA6390, QCA6391, QCA6420, QCA6421, QCA6426, QCA6428, QCA6430, QCA6431, QCA6436, QCA6438, QCA6554A, QCA6564, QCA6564A, QCA6564AU, QCA6574, QCA6574A, QCA6574AU, QCA6584, QCA6584AU, QCA6595, QCA6595AU, QCA6696, QCA8072, QCA8075, QCA8081, QCA8082, QCA8084, QCA8085, QCA8337, QCA8386, QCA9367, QCA9377, QCA9379, QCA9888, QCA9889, QCA9898, QCA9980, QCA9984, QCA9990, QCA9992, QCA9994, QCC5100, QCM2290, QCM4290, QCM6125, QCM6490, QCN5021, QCN5022, QCN5024, QCN5052, QCN5054, QCN5122, QCN5124, QCN5152, QCN5154, QCN5164, QCN6023, QCN6024, QCN6100, QCN6102, QCN6112, QCN6122, QCN6132, QCN7605, QCN7606, QCN9000, QCN9001, QCN9002, QCN9003, QCN9011, QCN9012, QCN9022, QCN9024, QCN9070, QCN9072, QCN9074, QCN9100, QCN9274, QCS2290, QCS405, QCS410, QCS4290, QCS603, QCS605, QCS610, QCS6125, QCS6490, QCX315, QRB5165, QRB5165M, QRB5165N, QSM8250, QSM8350, SA4150P, SA4155P, SA415M, SA515M, SA6145P, SA6150P, SA6155, SA6155P, SA8145P, SA8150P, SA8155, SA8155P, SA8195P, SA8295P, SC8180X+SDX55, SD 455, SD 636, SD 675, SD 8 Gen1 5G, SD 8CX, SD 8cx Gen2, SD 8cx Gen3, SD460, SD480, SD660, SD662, SD665, SD670, SD675, SD678, SD680, SD690 5G, SD695, SD710, SD712, SD720G, SD730, SD750G, SD765, SD765G, SD768G, SD778G, SD780G, SD7c, SD820, SD821, SD835, SD845, SD850, SD855, SD865 5G, SD870, SD888, SD888 5G, SDM630, SDX12, SDX20, SDX20M, SDX24, SDX50M, SDX55, SDX55M, SDX65, SDXR1, SDXR2 5G, SM4125, SM4375, SM6250, SM6250P, SM7250P, SM7315, SM7325P, SW5100, SW5100P, SXR2150P, WCD9326, WCD9330, WCD9335, WCD9340, WCD9341, WCD9360, WCD9370, WCD9371, WCD9375, WCD9380, WCD9385, WCN3610, WCN3615, WCN3660B, WCN3680B, WCN3910, WCN3950, WCN3980, WCN3988, WCN3990, WCN3991, WCN3998, WCN3999, WCN6740, WCN6750, WCN6850, WCN6851, WCN6855, WCN6856, WCN7850, WCN7851, WSA8810, WSA8815, WSA8830, WSA8835

CVE-2022-25660

CVE ID CVE-2022-25660
Title Double Free in Kernel
Description Memory corruption due to double free issue in kernel
Technology Area KERNEL
Vulnerability Type CWE-415 Double Free
Access Vector Local
Security Rating High
CVSS Rating High
CVSS Score 7.8
CVSS String CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Date Reported 2021/12/01
Customer Notified Date 2022/04/04
Affected Chipsets* AQT1000, AR8035, QAM8295P, QCA6174A, QCA6310, QCA6335, QCA6390, QCA6391, QCA6420, QCA6421, QCA6426, QCA6430, QCA6431, QCA6436, QCA6564A, QCA6564AU, QCA6574, QCA6574A, QCA6574AU, QCA6595, QCA6595AU, QCA6696, QCA8081, QCA8337, QCA9377, QCM6490, QCS603, QCS605, QCS6490, QSM8350, SA6145P, SA6155, SA6155P, SA8150P, SA8155, SA8155P, SA8295P, SA8540P, SA9000P, SD 675, SD 8 Gen1 5G, SD 8CX, SD 8cx Gen2, SD 8cx Gen3, SD670, SD675, SD678, SD765, SD765G, SD768G, SD778G, SD780G, SD845, SD850, SD855, SD865 5G, SD870, SD888, SD888 5G, SDX24, SDX50M, SDX55, SDX55M, SDX57M, SDX65, SDXR2 5G, SM7250P, SM7315, SM7325P, WCD9326, WCD9340, WCD9341, WCD9370, WCD9375, WCD9380, WCD9385, WCN3950, WCN3980, WCN3990, WCN3991, WCN3998, WCN6740, WCN6750, WCN6850, WCN6851, WCN6855, WCN6856, WCN7850, WCN7851, WSA8810, WSA8815, WSA8830, WSA8835

CVE-2022-25661

CVE ID CVE-2022-25661
Title Untrusted Pointer Dereference in Kernel
Description Memory corruption due to untrusted pointer dereference in kernel
Technology Area KERNEL
Vulnerability Type CWE-822 Untrusted Pointer Dereference
Access Vector Local
Security Rating High
CVSS Rating High
CVSS Score 8.4
CVSS String CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Date Reported 2021/12/07
Customer Notified Date 2022/04/04
Affected Chipsets* AQT1000, AR8035, QAM8295P, QCA6174A, QCA6310, QCA6335, QCA6390, QCA6391, QCA6420, QCA6421, QCA6426, QCA6430, QCA6431, QCA6436, QCA6564A, QCA6564AU, QCA6574, QCA6574A, QCA6574AU, QCA6595, QCA6595AU, QCA6696, QCA8081, QCA8337, QCA9377, QCM6490, QCN9011, QCN9012, QCS603, QCS605, QCS6490, QRB5165, QRB5165M, QRB5165N, QSM8350, SA6145P, SA6155, SA6155P, SA8150P, SA8155, SA8155P, SA8295P, SA8540P, SA9000P, SD 675, SD 8 Gen1 5G, SD 8CX, SD 8cx Gen2, SD 8cx Gen3, SD670, SD675, SD678, SD765, SD765G, SD768G, SD778G, SD780G, SD845, SD850, SD855, SD865 5G, SD870, SD888, SD888 5G, SDX24, SDX50M, SDX55, SDX55M, SDX57M, SDX65, SDXR2 5G, SM7250P, SM7315, SM7325P, WCD9326, WCD9340, WCD9341, WCD9370, WCD9375, WCD9380, WCD9385, WCN3950, WCN3980, WCN3990, WCN3991, WCN3998, WCN6740, WCN6750, WCN6850, WCN6851, WCN6855, WCN6856, WCN7850, WCN7851, WSA8810, WSA8815, WSA8830, WSA8835

CVE-2022-25687

CVE ID CVE-2022-25687
Title Buffer Copy Without Checking Size of Input in Video
Description memory corruption in video due to buffer overflow while parsing asf clips
Technology Area Video
Vulnerability Type CWE-120 Buffer Copy Without Checking Size of Input ('Classic Buffer Overflow')
Access Vector Remote
Security Rating High
CVSS Rating High
CVSS Score 7.3
CVSS String CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Date Reported Internal
Customer Notified Date 2022/07/04
Affected Chipsets* APQ8009, APQ8009W, APQ8017, APQ8052, APQ8053, APQ8056, APQ8064AU, APQ8076, APQ8096AU, AQT1000, AR8031, CSRA6620, CSRA6640, FSM10056, MDM9150, MDM9206, MDM9250, MDM9607, MDM9628, MDM9650, MSM8108, MSM8208, MSM8209, MSM8608, MSM8909W, MSM8917, MSM8952, MSM8953, MSM8956, MSM8976, MSM8976SG, MSM8996AU, QAM8295P, QCA4020, QCA6174A, QCA6310, QCA6320, QCA6335, QCA6390, QCA6391, QCA6420, QCA6421, QCA6426, QCA6430, QCA6431, QCA6436, QCA6564, QCA6564A, QCA6564AU, QCA6574, QCA6574A, QCA6574AU, QCA6584AU, QCA6595, QCA6595AU, QCA6696, QCA9367, QCA9377, QCA9379, QCC5100, QCM2290, QCM4290, QCM6125, QCM6490, QCN7606, QCS2290, QCS405, QCS410, QCS4290, QCS605, QCS610, QCS6125, QCS6490, Qualcomm215, SA4150P, SA4155P, SA6145P, SA6150P, SA6155, SA6155P, SA8145P, SA8150P, SA8155, SA8155P, SA8195P, SA8295P, SD 636, SD 675, SD 8 Gen1 5G, SD205, SD210, SD429, SD439, SD450, SD460, SD480, SD632, SD660, SD662, SD665, SD670, SD675, SD678, SD680, SD690 5G, SD695, SD710, SD720G, SD730, SD750G, SD765, SD765G, SD768G, SD778G, SD780G, SD820, SD821, SD835, SD845, SD855, SD865 5G, SD870, SD888, SD888 5G, SDA429W, SDM429W, SDW2500, SDX20, SDX20M, SDX50M, SDX55, SDX55M, SDXR1, SDXR2 5G, SM4125, SM4375, SM6250, SM6250P, SM7250P, SM7315, SM7325P, SW5100, SW5100P, SXR2150P, WCD9326, WCD9330, WCD9335, WCD9340, WCD9341, WCD9370, WCD9371, WCD9375, WCD9380, WCD9385, WCN3610, WCN3615, WCN3620, WCN3660, WCN3660B, WCN3680, WCN3680B, WCN3910, WCN3950, WCN3980, WCN3988, WCN3990, WCN3991, WCN3998, WCN3999, WCN6740, WCN6750, WCN6850, WCN6851, WCN6855, WCN6856, WCN7850, WCN7851, WSA8810, WSA8815, WSA8830, WSA8835

CVE-2022-25719

CVE ID CVE-2022-25719
Title Buffer Over-read in WLAN
Description Information disclosure in WLAN due to improper length check while processing authentication handshake
Technology Area Network Service
Vulnerability Type CWE-126 Buffer Over-read
Access Vector Remote
Security Rating High
CVSS Rating High
CVSS Score 8.2
CVSS String CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L
Date Reported Internal
Customer Notified Date 2022/07/04
Affected Chipsets* APQ8009, APQ8009W, APQ8016, APQ8017, APQ8037, APQ8052, APQ8053, APQ8056, APQ8076, APQ8084, AR8031, CSR8811, CSRA6620, CSRA6640, IPQ5010, IPQ5018, IPQ5028, IPQ6000, IPQ6010, IPQ6018, IPQ6028, IPQ8070A, IPQ8071A, IPQ8072A, IPQ8074A, IPQ8076, IPQ8076A, IPQ8078, IPQ8078A, IPQ8173, IPQ8174, MDM9205, MDM9225, MDM9225M, MDM9230, MDM9235M, MDM9330, MDM9625, MDM9625M, MDM9630, MDM9635M, MSM8108, MSM8208, MSM8209, MSM8608, MSM8909W, MSM8917, MSM8920, MSM8937, MSM8940, MSM8952, MSM8953, MSM8956, MSM8976, MSM8976SG, PM8937, QCA1990, QCA4004, QCA4010, QCA4020, QCA4024, QCA6164, QCA6174, QCA6174A, QCA8075, QCA8081, QCA9377, QCA9379, QCA9888, QCA9889, QCN5022, QCN5024, QCN5052, QCN5122, QCN5124, QCN5152, QCN5154, QCN5164, QCN6023, QCN6024, QCN6122, QCN6132, QCN9000, QCN9022, QCN9024, QCN9070, QCN9072, QCN9074, QCN9100, QCS405, QET4101, QSW8573, Qualcomm215, SD205, SD210, SD429, SD439, SD450, SD632, SDA429W, SDM429W, SDW2500, WCD9306, WCD9326, WCD9335, WCD9340, WCN3610, WCN3615, WCN3620, WCN3660, WCN3660B, WCN3680, WCN3680B, WCN3980, WCN3998, WCN3999, WSA8810, WSA8815

CVE-2022-25736

CVE ID CVE-2022-25736
Title Buffer Over-read in WLAN
Description Denial of service in WLAN due to out-of-bound read happens while processing VHT action frame
Technology Area WLAN Firmware
Vulnerability Type CWE-126 Buffer Over-read
Access Vector Remote
Security Rating High
CVSS Rating High
CVSS Score 7.5
CVSS String CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Date Reported Internal
Customer Notified Date 2022/07/04
Affected Chipsets* AQT1000, AR8031, AR8035, AR9380, CSR8811, CSRA6620, CSRA6640, CSRB31024, IPQ4018, IPQ4028, IPQ4029, IPQ5010, IPQ5018, IPQ5028, IPQ6000, IPQ6010, IPQ6018, IPQ6028, IPQ8064, IPQ8069, IPQ8070, IPQ8070A, IPQ8071, IPQ8071A, IPQ8072, IPQ8072A, IPQ8074, IPQ8074A, IPQ8076, IPQ8076A, IPQ8078, IPQ8078A, IPQ8173, IPQ8174, IPQ9008, MDM8215, MDM9215, MDM9310, MDM9607, MDM9615, MDM9628, PMP8074, QAM8295P, QCA1062, QCA1064, QCA2062, QCA2064, QCA2065, QCA2066, QCA4024, QCA6174A, QCA6310, QCA6320, QCA6335, QCA6390, QCA6391, QCA6420, QCA6421, QCA6426, QCA6428, QCA6430, QCA6431, QCA6436, QCA6438, QCA6554A, QCA6564A, QCA6564AU, QCA6574, QCA6574A, QCA6574AU, QCA6584, QCA6584AU, QCA6595, QCA6595AU, QCA6696, QCA8072, QCA8075, QCA8081, QCA8082, QCA8084, QCA8085, QCA8337, QCA8386, QCA9377, QCA9888, QCA9889, QCA9898, QCA9980, QCA9984, QCA9990, QCA9992, QCA9994, QCC5100, QCM2290, QCM4290, QCM6125, QCM6490, QCN5021, QCN5022, QCN5024, QCN5052, QCN5054, QCN5122, QCN5124, QCN5152, QCN5154, QCN5164, QCN6023, QCN6024, QCN6100, QCN6102, QCN6112, QCN6122, QCN6132, QCN7605, QCN7606, QCN9000, QCN9001, QCN9002, QCN9003, QCN9011, QCN9012, QCN9022, QCN9024, QCN9070, QCN9072, QCN9074, QCN9100, QCN9274, QCS2290, QCS405, QCS410, QCS4290, QCS603, QCS605, QCS610, QCS6125, QCS6490, QCX315, QRB5165, QRB5165M, QRB5165N, QSM8250, QSM8350, SA4150P, SA4155P, SA415M, SA515M, SA6145P, SA6150P, SA6155, SA6155P, SA8145P, SA8150P, SA8155, SA8155P, SA8195P, SA8295P, SC8180X+SDX55, SD 455, SD 636, SD 675, SD 8 Gen1 5G, SD 8CX, SD 8cx Gen2, SD 8cx Gen3, SD460, SD480, SD660, SD662, SD665, SD670, SD675, SD678, SD680, SD690 5G, SD695, SD710, SD712, SD720G, SD730, SD750G, SD765, SD765G, SD768G, SD778G, SD780G, SD7c, SD835, SD845, SD850, SD855, SD865 5G, SD870, SD888, SD888 5G, SDM630, SDX50M, SDX55, SDX55M, SDX65, SDXR1, SDXR2 5G, SM4125, SM4375, SM6250, SM6250P, SM7250P, SM7315, SM7325P, SW5100, SW5100P, SXR2150P, WCD9326, WCD9335, WCD9340, WCD9341, WCD9360, WCD9370, WCD9371, WCD9375, WCD9380, WCD9385, WCN3910, WCN3950, WCN3980, WCN3988, WCN3990, WCN3991, WCN3998, WCN3999, WCN6740, WCN6750, WCN6850, WCN6851, WCN6855, WCN6856, WCN7850, WCN7851, WSA8810, WSA8815, WSA8830, WSA8835

CVE-2022-25749

CVE ID CVE-2022-25749
Title Buffer Over-read in WLAN
Description Transient Denial-of-Service in WLAN due to buffer over-read while parsing MDNS frames.
Technology Area WLAN Firmware
Vulnerability Type CWE-126 Buffer Over-read
Access Vector Remote
Security Rating High
CVSS Rating High
CVSS Score 7.5
CVSS String CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Date Reported Internal
Customer Notified Date 2022/07/04
Affected Chipsets* APQ8009, APQ8017, APQ8064AU, APQ8076, APQ8096AU, AQT1000, AR8031, AR8035, AR9380, CSR8811, CSRA6620, CSRA6640, CSRB31024, IPQ4018, IPQ4028, IPQ4029, IPQ5010, IPQ5018, IPQ5028, IPQ6000, IPQ6010, IPQ6018, IPQ6028, IPQ8064, IPQ8069, IPQ8070, IPQ8070A, IPQ8071, IPQ8071A, IPQ8072, IPQ8072A, IPQ8074, IPQ8074A, IPQ8076, IPQ8076A, IPQ8078, IPQ8078A, IPQ8173, IPQ8174, IPQ9008, MDM8215, MDM9206, MDM9215, MDM9250, MDM9310, MDM9607, MDM9615, MDM9628, MDM9640, MDM9645, MDM9650, MSM8976, MSM8996AU, PMP8074, QAM8295P, QCA0000, QCA1023, QCA1062, QCA1064, QCA2062, QCA2064, QCA2065, QCA2066, QCA4020, QCA4024, QCA4531, QCA6174, QCA6174A, QCA6175A, QCA6310, QCA6320, QCA6335, QCA6390, QCA6391, QCA6420, QCA6421, QCA6426, QCA6428, QCA6430, QCA6431, QCA6436, QCA6438, QCA6554A, QCA6564, QCA6564A, QCA6564AU, QCA6574, QCA6574A, QCA6574AU, QCA6584, QCA6584AU, QCA6595, QCA6595AU, QCA6694, QCA6696, QCA8072, QCA8075, QCA8081, QCA8082, QCA8084, QCA8085, QCA8337, QCA8386, QCA9367, QCA9369, QCA9377, QCA9379, QCA9888, QCA9889, QCA9898, QCA9980, QCA9984, QCA9990, QCA9992, QCA9994, QCC5100, QCM2290, QCM4290, QCM6125, QCM6490, QCN5021, QCN5022, QCN5024, QCN5052, QCN5054, QCN5122, QCN5124, QCN5152, QCN5154, QCN5164, QCN6023, QCN6024, QCN6100, QCN6102, QCN6112, QCN6122, QCN6132, QCN7605, QCN7606, QCN9000, QCN9001, QCN9002, QCN9003, QCN9011, QCN9012, QCN9022, QCN9024, QCN9070, QCN9072, QCN9074, QCN9100, QCN9274, QCS2290, QCS405, QCS410, QCS4290, QCS603, QCS605, QCS610, QCS6125, QCS6490, QCX315, QRB5165, QRB5165M, QRB5165N, QSM8250, QSM8350, SA4150P, SA4155P, SA415M, SA515M, SA6145P, SA6150P, SA6155, SA6155P, SA8145P, SA8150P, SA8155, SA8155P, SA8195P, SA8295P, SC8180X+SDX55, SD 455, SD 636, SD 675, SD 8 Gen1 5G, SD 8CX, SD 8cx Gen2, SD 8cx Gen3, SD460, SD480, SD660, SD662, SD665, SD670, SD675, SD678, SD680, SD690 5G, SD695, SD710, SD712, SD720G, SD730, SD750G, SD765, SD765G, SD768G, SD778G, SD780G, SD7c, SD820, SD835, SD845, SD850, SD855, SD865 5G, SD870, SD888, SD888 5G, SDM630, SDX12, SDX20, SDX20M, SDX24, SDX50M, SDX55, SDX55M, SDX65, SDXR1, SDXR2 5G, SM4125, SM4375, SM6250, SM6250P, SM7250P, SM7315, SM7325P, SW5100, SW5100P, SXR2150P, WCD9326, WCD9330, WCD9335, WCD9340, WCD9341, WCD9360, WCD9370, WCD9371, WCD9375, WCD9380, WCD9385, WCN3610, WCN3615, WCN3660B, WCN3680B, WCN3910, WCN3950, WCN3980, WCN3988, WCN3990, WCN3991, WCN3998, WCN3999, WCN6740, WCN6750, WCN6850, WCN6851, WCN6855, WCN6856, WCN7850, WCN7851, WSA8810, WSA8815, WSA8830, WSA8835

CVE-2022-33210

CVE ID CVE-2022-33210
Title Use of Out-of-range Pointer Offset in Automotive Multimedia
Description Memory corruption in automotive multimedia due to use of out-of-range pointer offset while parsing command request packet with a very large type value.
Technology Area Multimedia
Vulnerability Type CWE-823 Use of Out-of-range Pointer Offset
Access Vector Local
Security Rating High
CVSS Rating High
CVSS Score 8.4
CVSS String CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Date Reported Internal
Customer Notified Date 2022/07/04
Affected Chipsets* APQ8064AU, APQ8096AU, MSM8996AU, QAM8295P, QCA6564A, QCA6564AU, QCA6574A, QCA6574AU, QCA6584AU, QCA6595AU, QCA6696, SA6145P, SA6150P, SA6155, SA6155P, SA8145P, SA8150P, SA8155, SA8155P, SA8195P, SA8295P, SA8540P, SA9000P

CVE-2022-25662

CVE ID CVE-2022-25662
Title Untrusted Pointer Dereference in Video
Description Information disclosure due to untrusted pointer dereference in kernel
Technology Area Video
Vulnerability Type CWE-822 Untrusted Pointer Dereference
Access Vector Remote
Security Rating Medium
CVSS Rating Medium
CVSS Score 5.3
CVSS String CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Date Reported 2021/07/14
Customer Notified Date 2022/04/04
Affected Chipsets* APQ8096AU, MSM8996AU, QAM8295P, QCA6310, QCA6320, QCA6335, QCA6390, QCA6391, QCA6421, QCA6426, QCA6431, QCA6436, QCA6564, QCA6564A, QCA6564AU, QCA6574A, QCA6574AU, QCA6595AU, QCA6696, QCC5100, QCS410, QCS610, SA6145P, SA6150P, SA6155P, SA8145P, SA8150P, SA8155P, SA8195P, SA8295P, SD 8 Gen1 5G, SD429, SD710, SD778G, SD780G, SD835, SD845, SD865 5G, SD870, SD888, SD888 5G, SDA429W, SDM429W, SDX55M, SDXR1, SDXR2 5G, SM7315, SM7325P, SW5100, SW5100P, WCD9326, WCD9335, WCD9340, WCD9341, WCD9370, WCD9375, WCD9380, WCD9385, WCN3610, WCN3620, WCN3660B, WCN3680B, WCN3950, WCN3980, WCN3988, WCN3990, WCN6740, WCN6750, WCN6850, WCN6851, WCN6855, WCN6856, WCN7850, WCN7851, WSA8810, WSA8815, WSA8830, WSA8835

CVE-2022-25663

CVE ID CVE-2022-25663
Title Buffer Over-read in WLAN
Description Possible buffer overflow due to lack of buffer length check during management frame Rx handling lead to denial of service
Technology Area WLAN Windows Host
Vulnerability Type CWE-126 Buffer Over-read
Access Vector Local
Security Rating Medium
CVSS Rating Medium
CVSS Score 5.5
CVSS String CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Date Reported 2021/07/20
Customer Notified Date 2022/04/04
Affected Chipsets* AQT1000, QCA1062, QCA1064, QCA2062, QCA2064, QCA2065, QCA2066, QCA6390, QCA6391, QCA6420, QCA6430, SD 8cx Gen2, SD 8cx Gen3, SD778G, SD7c, SD850, SM6250, WCD9340, WCD9341, WCD9380, WCD9385, WCN3990, WCN3991, WCN3998, WCN6750, WCN6855, WCN6856, WSA8810, WSA8815, WSA8830, WSA8835

CVE-2022-25665

CVE ID CVE-2022-25665
Title Buffer Over-read in Kernel
Description Information disclosure due to buffer over read in kernel
Technology Area KERNEL
Vulnerability Type CWE-126 Buffer Over-read
Access Vector Local
Security Rating Medium
CVSS Rating Medium
CVSS Score 6.8
CVSS String CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L
Date Reported 2021/12/07
Customer Notified Date 2022/04/04
Affected Chipsets* AQT1000, AR8035, QAM8295P, QCA6174A, QCA6310, QCA6335, QCA6390, QCA6391, QCA6420, QCA6421, QCA6426, QCA6430, QCA6431, QCA6436, QCA6564A, QCA6564AU, QCA6574, QCA6574A, QCA6574AU, QCA6595, QCA6595AU, QCA6696, QCA8081, QCA8337, QCA9377, QCS603, QCS605, QSM8350, SA6145P, SA6155, SA6155P, SA8150P, SA8155, SA8155P, SA8295P, SA8540P, SA9000P, SD 675, SD 8 Gen1 5G, SD 8CX, SD 8cx Gen2, SD 8cx Gen3, SD670, SD675, SD678, SD765, SD765G, SD768G, SD845, SD850, SD855, SD865 5G, SD870, SD888 5G, SDX24, SDX50M, SDX55, SDX55M, SDX57M, SDX65, SDXR2 5G, SM7250P, WCD9326, WCD9340, WCD9341, WCD9370, WCD9375, WCD9380, WCD9385, WCN3950, WCN3980, WCN3990, WCN3991, WCN3998, WCN6850, WCN6851, WCN6855, WCN6856, WCN7850, WCN7851, WSA8810, WSA8815, WSA8830, WSA8835

*The list of affected chipsets may not be complete. For latest information, device OEMs can contact QTI directly at www.qualcomm.com/support.

Open Source Software Issues

The tables below summarize security vulnerabilities that were addressed through open source software

This table lists high impact security vulnerabilities. Patches have been released for affected products. OEMs have been notified and strongly recommended to release patches on end devices.

Public ID Security Rating CVSS Rating Technology Area Date Reported
CVE-2022-25720 Critical Critical WLAN HOST Internal
CVE-2022-22077 High High Graphics Internal
CVE-2022-25723 High High Multimedia Frameworks Internal
CVE-2022-25750 High High Bluetooth HOST Internal
CVE-2022-33214 High High Display 03/02/2022
CVE-2022-33217 High High Qualcomm IPC 04/25/2022

This table lists moderate security vulnerabilities. OEMs have been notified and encouraged to patch these issues.

Public ID Security Rating CVSS Rating Technology Area Date Reported
CVE-2022-22078 Medium Medium Boot 09/09/2020
CVE-2022-25664 Medium Medium Graphics 12/05/2021
CVE-2022-25666 Medium Medium DSP Service 12/14/2021

CVE-2022-25720

CVE ID CVE-2022-25720
Title Improper Validation of Array Index in WLAN
Description Memory corruption in WLAN due to out of bound array access during connect/roaming
Technology Area WLAN HOST
Vulnerability Type CWE-129 Improper Validation of Array Index
Access Vector Remote
Security Rating Critical
CVSS Rating Critical
CVSS Score 9.8
CVSS String CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Date Reported Internal
Customer Notified Date 2022/07/04
Affected Chipsets* APQ8009, APQ8009W, APQ8017, APQ8052, APQ8053, APQ8056, APQ8064AU, APQ8076, APQ8096AU, AQT1000, AR6003, AR8031, AR8035, CSRA6620, CSRA6640, CSRB31024, MDM8215, MDM8215M, MDM8615M, MDM9150, MDM9206, MDM9215, MDM9230, MDM9250, MDM9310, MDM9330, MDM9607, MDM9615, MDM9615M, MDM9628, MDM9630, MDM9640, MDM9650, MSM8108, MSM8208, MSM8209, MSM8608, MSM8909W, MSM8917, MSM8952, MSM8953, MSM8956, MSM8976, MSM8976SG, MSM8996AU, QAM8295P, QCA4020, QCA6174, QCA6174A, QCA6175A, QCA6310, QCA6320, QCA6335, QCA6390, QCA6391, QCA6420, QCA6421, QCA6426, QCA6430, QCA6431, QCA6436, QCA6554A, QCA6564, QCA6564A, QCA6564AU, QCA6574, QCA6574A, QCA6574AU, QCA6584, QCA6584AU, QCA6595, QCA6595AU, QCA6696, QCA8081, QCA8337, QCA9367, QCA9377, QCA9379, QCC5100, QCM6125, QCN6024, QCN7605, QCN7606, QCN9024, QCS405, QCS410, QCS605, QCS610, QCS6125, QCX315, QET4101, QRB5165, QRB5165M, QRB5165N, QSW8573, Qualcomm215, SA4150P, SA4155P, SA415M, SA515M, SA6145P, SA6150P, SA6155P, SA8145P, SA8150P, SA8155, SA8155P, SA8195P, SA8295P, SD 675, SD 8 Gen1 5G, SD205, SD210, SD429, SD439, SD450, SD460, SD632, SD660, SD662, SD670, SD675, SD678, SD710, SD730, SD820, SD821, SD835, SD845, SD855, SD865 5G, SD870, SDA429W, SDM429W, SDW2500, SDX12, SDX20, SDX20M, SDX24, SDX50M, SDX55, SDX55M, SDX65, SDXR1, SDXR2 5G, SM4125, SW5100, SW5100P, WCD9306, WCD9326, WCD9330, WCD9335, WCD9340, WCD9341, WCD9360, WCD9370, WCD9371, WCD9375, WCD9380, WCD9385, WCN3610, WCN3615, WCN3620, WCN3660, WCN3660B, WCN3680, WCN3680B, WCN3910, WCN3950, WCN3980, WCN3988, WCN3990, WCN3998, WCN3999, WCN6740, WCN6850, WCN6851, WCN6855, WCN6856, WCN7850, WCN7851, WSA8810, WSA8815, WSA8830, WSA8835
Patch**

CVE-2022-22077

CVE ID CVE-2022-22077
Title Use-After-Free in Graphics
Description Memory corruption in graphics due to use-after-free in graphics dispatcher logic
Technology Area Graphics
Vulnerability Type CWE-416 Use After Free
Access Vector Local
Security Rating High
CVSS Rating High
CVSS Score 8.4
CVSS String CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Date Reported Internal
Customer Notified Date 2022/07/04
Affected Chipsets* SD 8 Gen1 5G, WCD9380, WCN6855, WCN6856, WCN7850, WCN7851, WSA8830, WSA8835
Patch**

CVE-2022-25723

CVE ID CVE-2022-25723
Title Use-After-Free in Multimedia Frameworks
Description Memory corruption in multimedia due to use after free during callback registration failure
Technology Area Multimedia Frameworks
Vulnerability Type CWE-416 Use After Free
Access Vector Local
Security Rating High
CVSS Rating High
CVSS Score 8.4
CVSS String CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Date Reported Internal
Customer Notified Date 2022/07/04
Affected Chipsets* SD 8 Gen1 5G, WCD9380, WCN6855, WCN6856, WCN7850, WCN7851, WSA8830, WSA8835
Patch**

CVE-2022-25750

CVE ID CVE-2022-25750
Title Double Free in BTHOST
Description Memory corruption in BTHOST due to double free while music playback and calls over bluetooth headset
Technology Area Bluetooth HOST
Vulnerability Type CWE-415 Double Free
Access Vector Local
Security Rating High
CVSS Rating High
CVSS Score 8.4
CVSS String CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Date Reported Internal
Customer Notified Date 2022/07/04
Affected Chipsets* Kailua, SG8275, SG8275P, SM8550, WCD9380, WCD9385, WCD9390, WCD9395, WCN6855, WCN6856, WCN7850, WCN7851, WSA8840, WSA8845, WSA8845H
Patch**

CVE-2022-33214

CVE ID CVE-2022-33214
Title Time-of-check time-of-use race condition in Display
Description Memory corruption in display due to time-of-check time-of-use of metadata reserved size
Technology Area Display
Vulnerability Type CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition
Access Vector Local
Security Rating High
CVSS Rating High
CVSS Score 8.4
CVSS String CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Date Reported 2022/03/02
Customer Notified Date 2022/07/04
Affected Chipsets* AQT1000, QAM8295P, QCA6390, QCA6391, QCA6420, QCA6430, QCA6574, QCA6574A, QCA6574AU, QCA6595AU, QCA6696, QCC5100, QCM2290, QCM4290, QCM6125, QCM6490, QCN7606, QCS2290, QCS410, QCS4290, QCS610, QCS6125, QCS6490, SA4150P, SA4155P, SA6145P, SA6150P, SA6155, SA6155P, SA8145P, SA8150P, SA8155, SA8155P, SA8195P, SA8295P, SD 675, SD 8 Gen1 5G, SD439, SD460, SD480, SD660, SD662, SD675, SD678, SD680, SD690 5G, SD695, SD720G, SD730, SD750G, SD765, SD765G, SD768G, SD778G, SD780G, SD855, SD865 5G, SD870, SD888, SD888 5G, SDA429W, SDX50M, SDX55, SDX55M, SM4125, SM4375, SM6250, SM7250P, SM7315, SM7325P, SW5100, SW5100P, WCD9326, WCD9335, WCD9341, WCD9370, WCD9375, WCD9380, WCD9385, WCN3610, WCN3615, WCN3660B, WCN3680B, WCN3910, WCN3950, WCN3980, WCN3988, WCN3990, WCN3991, WCN3998, WCN6740, WCN6750, WCN6850, WCN6851, WCN6855, WCN6856, WCN7850, WCN7851, WSA8810, WSA8815, WSA8830, WSA8835
Patch**

CVE-2022-33217

CVE ID CVE-2022-33217
Title Buffer copy without checking size of input in Qualcomm IPC
Description Memory corruption in Qualcomm IPC due to buffer copy without checking the size of input while starting communication with a compromised kernel.
Technology Area Qualcomm IPC
Vulnerability Type CWE-120 Buffer Copy Without Checking Size of Input ('Classic Buffer Overflow')
Access Vector Local
Security Rating High
CVSS Rating High
CVSS Score 7.8
CVSS String CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Date Reported 2022/04/25
Customer Notified Date 2022/07/04
Affected Chipsets* SD 8 Gen1 5G, WCD9380, WCN6855, WCN6856, WCN7850, WCN7851, WSA8830, WSA8835
Patch** CodeLinaro link unavailable

CVE-2022-22078

CVE ID CVE-2022-22078
Title Integer Overflow or Wraparound issues in BOOT
Description Denial of service in BOOT when partition size for a particular partition is requested due to integer overflow when blocks are calculated
Technology Area Boot
Vulnerability Type CWE-190 Integer Overflow or Wraparound
Access Vector Local
Security Rating Medium
CVSS Rating Medium
CVSS Score 4.6
CVSS String CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Date Reported 2020/09/09
Customer Notified Date 2022/04/04
Affected Chipsets* AQT1000, AR8035, CSRB31024, FSM10056, MDM9150, QCA6174A, QCA6310, QCA6320, QCA6335, QCA6390, QCA6391, QCA6420, QCA6421, QCA6426, QCA6430, QCA6431, QCA6436, QCA6564, QCA6564AU, QCA6574, QCA6574A, QCA6574AU, QCA6595AU, QCA6696, QCA8337, QCA9377, QCS603, QCS605, QCS8155, SA415M, SA515M, SA6145P, SA6150P, SA6155, SA6155P, SA8145P, SA8150P, SA8155, SA8155P, SA8195P, SD835, SD845, SD855, SD865 5G, SD870, SDX24, SDX55, SDX55M, SDXR2 5G, SW5100, SW5100P, WCD9335, WCD9340, WCD9341, WCD9360, WCD9380, WCD9385, WCN3980, WCN3988, WCN3990, WCN3998, WCN6850, WCN6851, WSA8810, WSA8815, WSA8830, WSA8835
Patch**

CVE-2022-25664

CVE ID CVE-2022-25664
Title Information Exposure in Graphics Linux
Description Information disclosure due to exposure of information while GPU reads the data
Technology Area Graphics
Vulnerability Type CWE-200 Information Exposure
Access Vector Local
Security Rating Medium
CVSS Rating Medium
CVSS Score 6.2
CVSS String CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Date Reported 2021/12/05
Customer Notified Date 2022/04/04
Affected Chipsets* APQ8009, APQ8052, APQ8053, APQ8056, APQ8076, APQ8096AU, AQT1000, MDM9150, MDM9650, MSM8108, MSM8208, MSM8209, MSM8608, MSM8952, MSM8953, MSM8956, MSM8976, MSM8976SG, MSM8996AU, QAM8295P, QCA6174A, QCA6310, QCA6320, QCA6335, QCA6390, QCA6391, QCA6420, QCA6421, QCA6426, QCA6430, QCA6431, QCA6436, QCA6564, QCA6564A, QCA6564AU, QCA6574, QCA6574A, QCA6574AU, QCA6595AU, QCA6696, QCA8337, QCC5100, QCM6125, QCS410, QCS605, QCS610, QCS6125, QCS8155, QSM8250, Qualcomm215, SA6145P, SA6150P, SA6155, SA6155P, SA8145P, SA8150P, SA8155, SA8155P, SA8195P, SA8295P, SD 8 Gen1 5G, SD205, SD210, SD429, SD660, SD820, SD821, SD835, SD845, SD855, SD865 5G, SD870, SD888 5G, SDA429W, SDM429W, SDX50M, SDX55, SDX55M, SDXR1, SDXR2 5G, SW5100, SW5100P, WCD9326, WCD9335, WCD9340, WCD9341, WCD9370, WCD9380, WCD9385, WCN3610, WCN3615, WCN3620, WCN3660B, WCN3680, WCN3680B, WCN3950, WCN3980, WCN3988, WCN3990, WCN3998, WCN6850, WCN6851, WCN6855, WCN6856, WCN7850, WCN7851, WSA8810, WSA8815, WSA8830, WSA8835
Patch**

CVE-2022-25666

CVE ID CVE-2022-25666
Title Use After Free in DSP Services
Description Memory corruption due to use after free in service while trying to access maps by different threads
Technology Area DSP Service
Vulnerability Type CWE-416 Use After Free
Access Vector Local
Security Rating Medium
CVSS Rating Medium
CVSS Score 6.7
CVSS String CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Date Reported 2021/12/14
Customer Notified Date 2022/04/04
Affected Chipsets* APQ8096AU, AQT1000, AR9380, CSR8811, IPQ4018, IPQ4019, IPQ4028, IPQ4029, IPQ5010, IPQ5018, IPQ5028, IPQ6010, IPQ6018, IPQ6028, IPQ8064, IPQ8065, IPQ8068, IPQ8070, IPQ8070A, IPQ8071A, IPQ8072A, IPQ8074A, IPQ8076, IPQ8076A, IPQ8078, IPQ8078A, IPQ8173, IPQ8174, MDM9150, MDM9650, MSM8996AU, PMP8074, QAM8295P, QCA4024, QCA6310, QCA6320, QCA6335, QCA6390, QCA6391, QCA6420, QCA6426, QCA6430, QCA6436, QCA6564, QCA6564A, QCA6564AU, QCA6574, QCA6574A, QCA6574AU, QCA6595AU, QCA6696, QCA7500, QCA8072, QCA8075, QCA8081, QCA8337, QCA9880, QCA9886, QCA9888, QCA9889, QCA9898, QCA9980, QCA9984, QCA9985, QCA9990, QCA9992, QCA9994, QCC5100, QCN5021, QCN5022, QCN5024, QCN5052, QCN5054, QCN5122, QCN5124, QCN5152, QCN5154, QCN5164, QCN6023, QCN6024, QCN6122, QCN6132, QCN9000, QCN9012, QCN9022, QCN9024, QCN9070, QCN9072, QCN9074, QCN9100, QCS410, QCS610, QCS8155, QSM8250, Qualcomm215, SA515M, SA6145P, SA6150P, SA6155, SA6155P, SA8145P, SA8150P, SA8155, SA8155P, SA8195P, SA8295P, SD 8 Gen1 5G, SD205, SD210, SD429, SD835, SD845, SD855, SD865 5G, SD870, SD888 5G, SDA429W, SDM429W, SDX55, SDX55M, SDXR2 5G, SW5100, SW5100P, WCD9335, WCD9340, WCD9341, WCD9370, WCD9380, WCD9385, WCN3610, WCN3620, WCN3660B, WCN3680B, WCN3950, WCN3980, WCN3988, WCN3990, WCN3998, WCN6850, WCN6851, WCN6855, WCN6856, WCN7850, WCN7851, WSA8810, WSA8815, WSA8830, WSA8835
Patch**

* The list of affected chipsets may not be complete. For latest information, device OEMs can contact QTI directly at www.qualcomm.com/support.

** Data is generated only at the time of bulletin creation

Industry Coordination

Security ratings of issues included in Android security bulletins and these bulletins match in the most common scenarios but may differ in some cases due to one of the following reasons:

  • Consideration of security protections such as SELinux not enforced on some platforms
  • Differences in assessment of some specific scenarios that involves local denial of service or privilege escalation vulnerabilities in the high level OS kernel

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