{"id":"CVE-2026-23142","title":"mm/damon/sysfs-scheme: cleanup access_pattern subdirs on scheme dir setup failure","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nmm/damon/sysfs-scheme: cleanup access_pattern subdirs on scheme dir setup failure\n\nWhen a DAMOS-scheme DAMON sysfs directory setup fails after setup of\naccess_pattern/ …","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 9bbb820a5bd5f406ae5e0819cc31f2c2e6f4d990 < ae8ac0066b48ed957bdcab58f0d3543549c57a29","Linux >= 9bbb820a5bd5f406ae5e0819cc31f2c2e6f4d990 < e9711bd0e64812c694a228cf58c9e6032decee54","Linux >= 9bbb820a5bd5f406ae5e0819cc31f2c2e6f4d990 < 16236b0b4a08fa3e326cf1373ef789dabdc2e30d","Linux >= 9bbb820a5bd5f406ae5e0819cc31f2c2e6f4d990 < 725d4fdaa01bd1161782081f419e1568cc7432e0","Linux >= 9bbb820a5bd5f406ae5e0819cc31f2c2e6f4d990 < 392b3d9d595f34877dd745b470c711e8ebcd225c","Linux 5.18"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-11-05T21:20:44.254701Z"},"published":"2026-02-14","updated":"2026-11-05","sourceUpdated":"2026-11-05T21:23:19.338Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-23142","references":[{"url":"https://git.kernel.org/stable/c/ae8ac0066b48ed957bdcab58f0d3543549c57a29"},{"url":"https://git.kernel.org/stable/c/e9711bd0e64812c694a228cf58c9e6032decee54"},{"url":"https://git.kernel.org/stable/c/16236b0b4a08fa3e326cf1373ef789dabdc2e30d"},{"url":"https://git.kernel.org/stable/c/725d4fdaa01bd1161782081f419e1568cc7432e0"},{"url":"https://git.kernel.org/stable/c/392b3d9d595f34877dd745b470c711e8ebcd225c"}],"tags":["cve.org"],"epss":0.00143,"epssPercentile":0.03625,"ingestedAt":"2026-11-05T22:38:32.078Z","slug":"CVE-2026-23142","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nmm/damon/sysfs-scheme: cleanup access_pattern subdirs on scheme dir setup failure\n\nWhen a DAMOS-scheme DAMON sysfs directory setup fails after setup of\naccess_pattern/ directory, subdirectories of access_pattern/ directory are\nnot cleaned up.  As a result, DAMON sysfs interface is nearly broken until\nthe system reboots, and the memory for the unremoved directory is leaked.\n\nCleanup the directories under such failures.\n\n## Affected\n\n- `Linux >= 9bbb820a5bd5f406ae5e0819cc31f2c2e6f4d990 < ae8ac0066b48ed957bdcab58f0d3543549c57a29`\n- `Linux >= 9bbb820a5bd5f406ae5e0819cc31f2c2e6f4d990 < e9711bd0e64812c694a228cf58c9e6032decee54`\n- `Linux >= 9bbb820a5bd5f406ae5e0819cc31f2c2e6f4d990 < 16236b0b4a08fa3e326cf1373ef789dabdc2e30d`\n- `Linux >= 9bbb820a5bd5f406ae5e0819cc31f2c2e6f4d990 < 725d4fdaa01bd1161782081f419e1568cc7432e0`\n- `Linux >= 9bbb820a5bd5f406ae5e0819cc31f2c2e6f4d990 < 392b3d9d595f34877dd745b470c711e8ebcd225c`\n- `Linux 5.18`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}