Stack-based buffer overflow in UNISOC products - CVE-2022-47470

Vulnerability identifier: #VU75870

CSH Severity: Low

CVSS v4.0: 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/E:U/U:Clear

CVE-ID: CVE-2022-47470

CWE-ID: CWE-121

Exploitation vector: Local access

Exploit availability: No public exploit available

Vendor: UNISOC

Affected software:
SC9863A
SC9832E
SC7731E
T610
T310
T606
T760
T618
T612
T616
T770
T820
S8000

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.

Install security update from vendor's website.

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