#VU120719 Use-after-free in Linux kernel - CVE-2023-54202
Published: December 30, 2025 / Updated: December 31, 2025
Vulnerability identifier: #VU120719
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-2023-54202
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 i915_perf_add_config_ioctl() function in drivers/gpu/drm/i915/i915_perf.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/240b1502708858b5e3f10b6dc5ca3f148a322fef
- https://git.kernel.org/stable/c/6eeb1cba4c9dc47656ea328afa34953c28783d8c
- https://git.kernel.org/stable/c/7eb98f5ac551863efe8be810cea1cd5411d677b1
- https://git.kernel.org/stable/c/dc30c011469165d57af9adac5baff7d767d20e5c
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.108
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.24
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2.11
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3