Riskcovery

CVE-2026-23144

mm/damon/sysfs: cleanup attrs subdirs on context dir setup failure

State
Published
Severity
Not scored
Published
Feb 14, 2026
Updated
Oct 19, 2026
Reserved
Jan 13, 2026

Read the record on cve.org

Description

In the Linux kernel, the following vulnerability has been resolved:

mm/damon/sysfs: cleanup attrs subdirs on context dir setup failure

When a context DAMON sysfs directory setup is failed after setup of attrs/ directory, subdirectories of attrs/ directory are not cleaned up. As a result, DAMON sysfs interface is nearly broken until the system reboots, and the memory for the unremoved directory is leaked.

Cleanup the directories under such failures.

Scores

The record has no CVSS score.

Weaknesses

  • CWE-401 Missing Release of Memory after Effective Lifetime

Affected Products

ProductVersions
LinuxLinux
  • c951cd3b89010c7a4751b9d4ea074007e44851e6 to before db7dfe78fc81bdd2b532d77f340fe453f2360426Affected
  • c951cd3b89010c7a4751b9d4ea074007e44851e6 to before 43964644348f6b1add3055c4a6cae8f77d892a6eAffected
  • c951cd3b89010c7a4751b9d4ea074007e44851e6 to before 5651c0c391c0029541794f9c4c9597faecfd401fAffected
  • c951cd3b89010c7a4751b9d4ea074007e44851e6 to before 78b4eb99751ebd37ceade78810bf94de80f7fb3aAffected
  • c951cd3b89010c7a4751b9d4ea074007e44851e6 to before 9814cc832b88bd040fc2a1817c2b5469d0f7e862Affected
LinuxLinux
  • 5.18Affected
  • before 5.18Not affected
  • 6.1.162 through 6.1.*Not affected
  • 6.6.122 through 6.6.*Not affected
  • 6.12.67 through 6.12.*Not affected
  • 6.18.7 through 6.18.*Not affected
  • 6.19 and laterNot affected

References

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.