Memory leak in Linux kernel - CVE-2026-23144
Published: February 16, 2026
Vulnerability identifier: #VU122858
CSH Severity: Low
CVSS v4.0: 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-2026-23144
CWE-ID: CWE-401
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the damon_sysfs_context_add_dirs() function in mm/damon/sysfs.c. A local user can perform a denial of service (DoS) attack.
How to mitigate CVE-2026-23144
Install update from vendor's repository.
Sources
- https://git.kernel.org/stable/c/43964644348f6b1add3055c4a6cae8f77d892a6e
- https://git.kernel.org/stable/c/5651c0c391c0029541794f9c4c9597faecfd401f
- https://git.kernel.org/stable/c/78b4eb99751ebd37ceade78810bf94de80f7fb3a
- https://git.kernel.org/stable/c/9814cc832b88bd040fc2a1817c2b5469d0f7e862
- https://git.kernel.org/stable/c/db7dfe78fc81bdd2b532d77f340fe453f2360426