Medium 5.5Published Feb 14, 2026

CVE-2026-23144mm/damon/sysfs: cleanup attrs subdirs on context dir setup failure

Updated under an hour ago (Oct 27, 2026, 5:23 PM ET)

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Exploited in the last 30 days

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.

CVSS: 5.5 MEDIUM (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE): CWE-401
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Modified
Record last updated: Oct 19, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from c951cd3b89010c7a4751b9d4ea074007e44851e6 before db7dfe78fc81bdd2b532d77f340fe453f2360426; from c951cd3b89010c7a4751b9d4ea074007e44851e6 before 43964644348f6b1add3055c4a6cae8f77d892a6e; from c951cd3b89010c7a4751b9d4ea074007e44851e6 before 5651c0c391c0029541794f9c4c9597faecfd401f; from c951cd3b89010c7a4751b9d4ea074007e44851e6 before 78b4eb99751ebd37ceade78810bf94de80f7fb3a; from c951cd3b89010c7a4751b9d4ea074007e44851e6 before 9814cc832b88bd040fc2a1817c2b5469d0f7e862	CNA record
linux linux_kernel linux:linux_kernel	from 5.18 before 6.1.162; from 6.2 before 6.6.122; from 6.7 before 6.12.67; from 6.13 before 6.18.7; 6.19; 6.19; 6.19; 6.19; and 1 more ranges	NVD

References

References

https://git.kernel.org/stable/c/db7dfe78fc81bdd2b532d77f340fe453f2360426	patch
https://git.kernel.org/stable/c/43964644348f6b1add3055c4a6cae8f77d892a6e	patch
https://git.kernel.org/stable/c/5651c0c391c0029541794f9c4c9597faecfd401f	patch
https://git.kernel.org/stable/c/78b4eb99751ebd37ceade78810bf94de80f7fb3a	patch
https://git.kernel.org/stable/c/9814cc832b88bd040fc2a1817c2b5469d0f7e862	patch

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.