CVE-2026-23144: mm/damon/sysfs: cleanup attrs subdirs on context dir setup failure
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
Event History
Frequently Asked Questions
What is the severity of CVE-2026-23144?
The severity of CVE-2026-23144 is classified as moderate.
How do I fix CVE-2026-23144?
To fix CVE-2026-23144, update the Linux kernel to the latest version that includes the security fix.
What systems are affected by CVE-2026-23144?
CVE-2026-23144 affects certain versions of the Linux kernel with the DAMON functionality.
What does CVE-2026-23144 vulnerability involve?
CVE-2026-23144 involves improper cleanup of attributes in the DAMON sysfs directory during setup failures.
Is there a known exploit for CVE-2026-23144?
As of now, there are no known exploits publicly available for CVE-2026-23144.