#VU101033 Use-after-free in Linux kernel - CVE-2023-52922
Published: November 28, 2024 / Updated: April 28, 2025
Vulnerability identifier: #VU101033
Vulnerability risk: Low
CVSSv4.0: 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:U/U:Clear
CVE-ID: CVE-2023-52922
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the bcm_release() function in net/can/bcm.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
External links
- https://git.kernel.org/stable/c/11b8e27ed448baa385d90154a141466bd5e92f18
- https://git.kernel.org/stable/c/3c3941bb1eb53abe7d640ffee5c4d6b559829ab3
- https://git.kernel.org/stable/c/55c3b96074f3f9b0aee19bf93cd71af7516582bb
- https://git.kernel.org/stable/c/9533dbfac0ff7edd77a5fa2c24974b1d66c8b0a6
- https://git.kernel.org/stable/c/995f47d76647708ec26c6e388663ad4f3f264787
- https://git.kernel.org/stable/c/9b58d36d0c1ea29a9571e0222a9c29df0ccfb7ff
- https://git.kernel.org/stable/c/cf254b4f68e480e73dab055014e002b77aed30ed
- https://git.kernel.org/stable/c/dfd0aa26e9a07f2ce546ccf8304ead6a2914e8a7