Stack-based buffer overflow in UNISOC products - CVE-2022-47486

Vulnerability identifier: #VU75871

CSH Severity: Low

CVSS v4: 5.3 [CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:A/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N]

CVE-ID: CVE-2022-47486

CWE-ID: CWE-121

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a local privileged application to compromise the affected device.

The vulnerability exists due to a possible out of bounds read due to a missing bounds check within the ext4fsfilter driver in Kernel. A local privileged application can compromise the affected device.

SC9863A
SC9832E
SC7731E
T610
T310
T606
T760
T618
T612
T616
T770
T820
S8000
Samsung Mobile Firmware
Google Android

Install security update from vendor's website.

Samsung Mobile Firmware - update to SMR-JUN-2023
Google Android - addressed in versions 11 2023-05-05, 12L 2023-05-05, 12 2023-05-05, 13 2023-05-05

• https://www.unisoc.com/en_us/secy/announcementDetail/1654776866982133761

• Multiple vulnerabilities in Unisoc chipsets
• Multiple vulnerabilities in Google Android
• Multiple vulnerabilities in Samsung Mobile Firmware