#VU108428 Use-after-free in Linux kernel - CVE-2023-53111
Published: May 4, 2025 / Updated: May 10, 2025
Vulnerability identifier: #VU108428
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-2023-53111
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 loop_queue_rq() function in drivers/block/loop.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/407badf73ec9fb0d5744bf2ca1745c1818aa222f
- https://git.kernel.org/stable/c/6917395c4667cfb607ed8bf1826205a59414657c
- https://git.kernel.org/stable/c/9b0cb770f5d7b1ff40bea7ca385438ee94570eec
- https://git.kernel.org/stable/c/e3fda704903f6d1fc351412f1bc6620333959ada
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.21