#VU83479 Race condition in Linux kernel - CVE-2023-4732

 

#VU83479 Race condition in Linux kernel - CVE-2023-4732

Published: November 24, 2023


Vulnerability identifier: #VU83479
Vulnerability risk: Low
CVSSv4.0: 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/E:U/U:Clear
CVE-ID: CVE-2023-4732
CWE-ID: CWE-362
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
Linux kernel
Software vendor:
Linux Foundation

Description

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

The vulnerability exists due to a race condition caused by a BUG statement referencing pmd_t x within the pfn_swap_entry_to_page () function. A local user can exploit the race and crash the kernel.


Remediation

Install updates from vendor's website.

External links