#VU115308 Memory leak in Linux kernel - CVE-2022-50286
Published: September 16, 2025 / Updated: September 22, 2025
Vulnerability identifier: #VU115308
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-2022-50286
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 ext4_clu_mapped() function in fs/ext4/extents.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/131294c35ed6f777bd4e79d42af13b5c41bf2775
- https://git.kernel.org/stable/c/6f4200ec76a0d31200c308ec5a71c68df5417004
- https://git.kernel.org/stable/c/81b915181c630ee1cffa052e52874fe4e1ba91ac
- https://git.kernel.org/stable/c/9404839e0c9db5a517ea83c0ca3388b39d105fdf
- https://git.kernel.org/stable/c/c0c8edbc8abbe8f16d80a1d794d1ba2c12b6f193
- https://git.kernel.org/stable/c/d440d6427a5e3a877c1c259b8d2b216ddb65e185
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.87