Out-of-bounds write in UNISOC products - CVE-2022-42755

Vulnerability identifier: #VU70017

CSH Severity: Low

CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2022-42755

CWE-ID: CWE-787

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a local application to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error within the wlan driver driver. A local application can trigger an out-of-bounds write and crash the kernel.

SC9863A
SC9832E
SC7731E
T610
T310
T606
T760
T618
T612
T616
T770
T820
S8023
Google Android

Install updates from vendor's website.

Google Android - addressed in versions 10 2022-12-05, 11 2022-12-05, 12L 2022-12-05, 12 2022-12-05, 13 2022-12-05

• https://www.unisoc.com/en_us/secy/announcementDetail/1599588060988411006

• Multiple vulnerabilities in Google Android
• Multiple vulnerabilities in Unisoc chipsets