CVE-2026-23142

Summary

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

mm/damon/sysfs-scheme: cleanup access_pattern subdirs on scheme dir setup failure

When a DAMOS-scheme DAMON sysfs directory setup fails after setup of access_pattern/ directory, subdirectories of access_pattern/ 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
LinuxLinux9bbb820a5bd5f406ae5e0819cc31f2c2e6f4d990 < ae8ac0066b48ed957bdcab58f0d3543549c57a29affected
LinuxLinux9bbb820a5bd5f406ae5e0819cc31f2c2e6f4d990 < e9711bd0e64812c694a228cf58c9e6032decee54affected
LinuxLinux9bbb820a5bd5f406ae5e0819cc31f2c2e6f4d990 < 16236b0b4a08fa3e326cf1373ef789dabdc2e30daffected
LinuxLinux9bbb820a5bd5f406ae5e0819cc31f2c2e6f4d990 < 725d4fdaa01bd1161782081f419e1568cc7432e0affected
LinuxLinux9bbb820a5bd5f406ae5e0819cc31f2c2e6f4d990 < 392b3d9d595f34877dd745b470c711e8ebcd225caffected
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

References