#VU119681 Memory leak in Linux kernel - CVE-2022-50650
Published: December 10, 2025 / Updated: December 12, 2025
Vulnerability identifier: #VU119681
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-50650
CWE-ID: CWE-401
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 perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the acquire_reference_state(), release_reference_state(), prepare_func_exit(), record_func_key() and do_check() functions in kernel/bpf/verifier.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's repository.
External links
- https://git.kernel.org/stable/c/4ed5155043c97ac8912bcf67331df87c833fb067
- https://git.kernel.org/stable/c/9d9d00ac29d0ef7ce426964de46fa6b380357d0a
- https://git.kernel.org/stable/c/aed931fd3b6e28f19cc140ff90aa5046ee2aa4e1
- https://git.kernel.org/stable/c/caa176c0953cdfd5ce500fb517ce1ea924a8bc4c
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.17