#VU115872 Memory leak in Linux kernel - CVE-2022-50396
Published: September 19, 2025 / Updated: September 22, 2025
Vulnerability identifier: #VU115872
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-2022-50396
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 tcindex_set_parms() function in net/sched/cls_tcindex.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/399ab7fe0fa0d846881685fd4e57e9a8ef7559f7
- https://git.kernel.org/stable/c/55ac68b53f1cea1926ee2313afc5d66b91daad71
- https://git.kernel.org/stable/c/6c55953e232ea668731091d111066521f3b7719b
- https://git.kernel.org/stable/c/b314f6c3512108d7a656c5caf07c82d1bbbdc0f1
- https://git.kernel.org/stable/c/c4de6057e7c6654983acb63d939d26ac0d7bbf39
- https://git.kernel.org/stable/c/facc4405e8b7407e03216207b1d1d640127de0c8
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.5