#VU111380 Memory leak in Linux kernel - CVE-2022-50042
Published: June 19, 2025 / Updated: June 21, 2025
Vulnerability identifier: #VU111380
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-2022-50042
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 netlink_policy_dump_add_policy() function in net/netlink/policy.c, within the ctrl_dumppolicy_start() function in net/netlink/genetlink.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/249801360db3dec4f73768c502192020bfddeacc
- https://git.kernel.org/stable/c/26b6acd365823e99e46be3b27500f5dc235dda5e
- https://git.kernel.org/stable/c/83411c9f05d5a8b637293b3389eca3d378197c04
- https://git.kernel.org/stable/c/b0672895d8be5d19d4b05ac83f807026fc791037
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.63