CVE-2026-23144

Summary

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.

Affected Software

VendorProductVersion RangeStatus
LinuxLinuxc951cd3b89010c7a4751b9d4ea074007e44851e6 < db7dfe78fc81bdd2b532d77f340fe453f2360426affected
LinuxLinuxc951cd3b89010c7a4751b9d4ea074007e44851e6 < 43964644348f6b1add3055c4a6cae8f77d892a6eaffected
LinuxLinuxc951cd3b89010c7a4751b9d4ea074007e44851e6 < 5651c0c391c0029541794f9c4c9597faecfd401faffected
LinuxLinuxc951cd3b89010c7a4751b9d4ea074007e44851e6 < 78b4eb99751ebd37ceade78810bf94de80f7fb3aaffected
LinuxLinuxc951cd3b89010c7a4751b9d4ea074007e44851e6 < 9814cc832b88bd040fc2a1817c2b5469d0f7e862affected
LinuxLinux5.18affected
LinuxLinux0 < 5.18unaffected
LinuxLinux6.1.162 <= 6.1.*unaffected
LinuxLinux6.6.122 <= 6.6.*unaffected
LinuxLinux6.12.67 <= 6.12.*unaffected
LinuxLinux6.18.7 <= 6.18.*unaffected
LinuxLinux6.19 <= *unaffected

Weaknesses

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References