#VU111531 Use-after-free in Linux kernel - CVE-2022-50095
Published: June 20, 2025 / Updated: June 21, 2025
Vulnerability identifier: #VU111531
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-2022-50095
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 begin_new_exec() function in fs/exec.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/541840859ace9c2ccebc32fa9e376c7bd3def490
- https://git.kernel.org/stable/c/9e255ed238fc67058df87b0388ad6d4b2ef3a2bd
- https://git.kernel.org/stable/c/b2fc1723eb65abb83e00d5f011de670296af0b28
- https://git.kernel.org/stable/c/e362359ace6f87c201531872486ff295df306d13
- https://git.kernel.org/stable/c/e8cb6e8fd9890780f1bfcf5592889e1b879e779c
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.18