#VU115350 Memory leak in Linux kernel - CVE-2022-50259
Published: September 16, 2025 / Updated: September 22, 2025
Vulnerability identifier: #VU115350
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-2022-50259
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 sock_map_free() function in net/core/sock_map.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/0a182f8d607464911756b4dbef5d6cad8de22469
- https://git.kernel.org/stable/c/4cabc3af4a6f36c222fecb15858c1060e59218e7
- https://git.kernel.org/stable/c/5c3568166129bc73fd6b37748d2d8f95cd8f22f3
- https://git.kernel.org/stable/c/a443c55d96dede82a724df6e70a318ad15c199e1
- https://git.kernel.org/stable/c/be719496ae6a7fc325e9e5056a52f63ebc84cc0c
- https://git.kernel.org/stable/c/e8b2b392a646bf5cb9413c1cc7a39d99c1b65a62
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.16