Stack-based buffer overflow in Linux kernel - CVE-2022-4378

 

Stack-based buffer overflow in Linux kernel - CVE-2022-4378

Published: December 20, 2022


Vulnerability identifier: #VU70442
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear
CVE-ID: CVE-2022-4378
CWE-ID: CWE-121
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel

Detailed vulnerability description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a boundary error within the __do_proc_dointvec() function. A local user can trigger a stack-based buffer overflow and execute arbitrary code with elevated privileges.


How to mitigate CVE-2022-4378

Install updates from vendor's website.

Sources