Use-after-free in Linux kernel - CVE-2023-54101
Published: December 26, 2025 / Updated: December 31, 2025
Vulnerability identifier: #VU120385
CSH Severity: Low
CVSS v4.0: 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-2023-54101
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability 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 xlnx_remove_cb_for_suspend() and xlnx_remove_cb_for_notify_event() functions in drivers/soc/xilinx/xlnx_event_manager.c. A local user can escalate privileges on the system.
How to mitigate CVE-2023-54101
Install update from vendor's repository.
Sources
- https://git.kernel.org/stable/c/256aace3a5d8c987183ba4832dffb36f48ea7d3b
- https://git.kernel.org/stable/c/49fca83f6f3f0cafe5bf5b43e8ee81cf73c2d5e0
- https://git.kernel.org/stable/c/c58da0ba3e5c86e51e2c1557afaf6f71e00c4533
- https://git.kernel.org/stable/c/f16599e638073ef0b2828bb64f5e99138e9381b5
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.13