Vulnerability identifier: #VU64029

Vulnerability risk: Low

CVSSv3.1: 5.8 [CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-35121

CWE-ID: CWE-129

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
APQ8053
Hardware solutions / Firmware
MSM8953
Hardware solutions / Firmware
QCA6390
Mobile applications / Mobile firmware & hardware
QCA6391
Mobile applications / Mobile firmware & hardware
QCA6426
Mobile applications / Mobile firmware & hardware
QCA6436
Mobile applications / Mobile firmware & hardware
QCM2290
Mobile applications / Mobile firmware & hardware
QCM4290
Mobile applications / Mobile firmware & hardware
QCS2290
Mobile applications / Mobile firmware & hardware
QCS4290
Mobile applications / Mobile firmware & hardware
QRB5165
Mobile applications / Mobile firmware & hardware
QRB5165M
Mobile applications / Mobile firmware & hardware
QRB5165N
Mobile applications / Mobile firmware & hardware
SD460
Mobile applications / Mobile firmware & hardware
SD662
Mobile applications / Mobile firmware & hardware
SD680
Mobile applications / Mobile firmware & hardware
SD690 5G
Mobile applications / Mobile firmware & hardware
SD750G
Mobile applications / Mobile firmware & hardware
SD765
Mobile applications / Mobile firmware & hardware
SD765G
Mobile applications / Mobile firmware & hardware
SD768G
Mobile applications / Mobile firmware & hardware
SD865 5G
Mobile applications / Mobile firmware & hardware
SD870
Mobile applications / Mobile firmware & hardware
SDX55M
Mobile applications / Mobile firmware & hardware
SDXR2 5G
Mobile applications / Mobile firmware & hardware
SM7250P
Mobile applications / Mobile firmware & hardware
WCD9326
Mobile applications / Mobile firmware & hardware
WCD9370
Mobile applications / Mobile firmware & hardware
WCD9375
Mobile applications / Mobile firmware & hardware
WCD9380
Mobile applications / Mobile firmware & hardware
WCD9385
Mobile applications / Mobile firmware & hardware
WCN3615
Mobile applications / Mobile firmware & hardware
WCN3680B
Mobile applications / Mobile firmware & hardware
WCN3910
Mobile applications / Mobile firmware & hardware
WCN3950
Mobile applications / Mobile firmware & hardware
WCN3988
Mobile applications / Mobile firmware & hardware
WCN3991
Mobile applications / Mobile firmware & hardware
WCN3998
Mobile applications / Mobile firmware & hardware
WCN6850
Mobile applications / Mobile firmware & hardware
WCN6851
Mobile applications / Mobile firmware & hardware
WSA8810
Mobile applications / Mobile firmware & hardware
WSA8815
Mobile applications / Mobile firmware & hardware
WSA8830
Mobile applications / Mobile firmware & hardware
WSA8835
Mobile applications / Mobile firmware & hardware

Vendor: Qualcomm

Description

The vulnerability allows a local attacker to compromise vulnerable system.

The vulnerability exists due to a improper validation of array index in MM Framework. A local administrator can trigger use-after-free condition in the Synx driver and execute arbitrary code on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

APQ8053: All versions

MSM8953: All versions

QCA6390: All versions

QCA6391: All versions

QCA6426: All versions

QCA6436: All versions

QCM2290: All versions

QCM4290: All versions

QCS2290: All versions

QCS4290: All versions

QRB5165: All versions

QRB5165M: All versions

QRB5165N: All versions

SD460: All versions

SD662: All versions

SD680: All versions

SD690 5G: All versions

SD750G: All versions

SD765: All versions

SD765G: All versions

SD768G: All versions

SD865 5G: All versions

SD870: All versions

SDX55M: All versions

SDXR2 5G: All versions

SM7250P: All versions

WCD9326: All versions

WCD9370: All versions

WCD9375: All versions

WCD9380: All versions

WCD9385: All versions

WCN3615: All versions

WCN3680B: All versions

WCN3910: All versions

WCN3950: All versions

WCN3988: All versions

WCN3991: All versions

WCN3998: All versions

WCN6850: All versions

WCN6851: All versions

WSA8810: All versions

WSA8815: All versions

WSA8830: All versions

WSA8835: All versions

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External links
http://docs.qualcomm.com/product/publicresources/securitybulletin/june-2022-bulletin.html

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.