Race condition in Linux kernel - CVE-2022-2961

 

Race condition in Linux kernel - CVE-2022-2961

Published: August 29, 2022 / Updated: June 28, 2023


Vulnerability identifier: #VU92743
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-2961
CWE-ID: CWE-362
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 execute arbitrary code.

A use-after-free flaw was found in the Linux kernel's PLP Rose functionality in the way a user triggers a race condition by calling bind while simultaneously triggering the rose_bind() function. This flaw allows a local user to crash or potentially escalate their privileges on the system.


How to mitigate CVE-2022-2961

Install update from vendor's repository.

Sources