#VU120414 Use-after-free in Linux kernel - CVE-2023-54026
Published: December 26, 2025 / Updated: December 31, 2025
Vulnerability identifier: #VU120414
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-2023-54026
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 _allocate_opp_table() function in drivers/opp/core.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's repository.
External links
- https://git.kernel.org/stable/c/39a0e723d3502f6dc4c603f57ebe8dc7bcc4a4bc
- https://git.kernel.org/stable/c/76ab057de777723ec924654502d1a260ba7d7d54
- https://git.kernel.org/stable/c/b2a2ab039bd58f51355e33d7d3fc64605d7f870d
- https://git.kernel.org/stable/c/c05e76d6b249e5254c31994eedd06dd3cc90dee0
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.4.5