{"id":"CVE-2026-23142","state":"PUBLISHED","title":"mm/damon/sysfs-scheme: cleanup access_pattern subdirs on scheme dir setup failure","description":"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/ 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.","publishedAt":"2026-02-14T15:36:08.147Z","updatedAt":"2026-05-11T22:00:56.683Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"9bbb820a5bd5f406ae5e0819cc31f2c2e6f4d990","status":"affected","lessThan":"ae8ac0066b48ed957bdcab58f0d3543549c57a29","versionType":"git"},{"version":"9bbb820a5bd5f406ae5e0819cc31f2c2e6f4d990","status":"affected","lessThan":"e9711bd0e64812c694a228cf58c9e6032decee54","versionType":"git"},{"version":"9bbb820a5bd5f406ae5e0819cc31f2c2e6f4d990","status":"affected","lessThan":"16236b0b4a08fa3e326cf1373ef789dabdc2e30d","versionType":"git"},{"version":"9bbb820a5bd5f406ae5e0819cc31f2c2e6f4d990","status":"affected","lessThan":"725d4fdaa01bd1161782081f419e1568cc7432e0","versionType":"git"},{"version":"9bbb820a5bd5f406ae5e0819cc31f2c2e6f4d990","status":"affected","lessThan":"392b3d9d595f34877dd745b470c711e8ebcd225c","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["mm/damon/sysfs-schemes.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.18","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.18","versionType":"semver"},{"version":"6.1.162","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.122","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.67","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.7","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["mm/damon/sysfs-schemes.c"]}],"references":["https://git.kernel.org/stable/c/ae8ac0066b48ed957bdcab58f0d3543549c57a29","https://git.kernel.org/stable/c/e9711bd0e64812c694a228cf58c9e6032decee54","https://git.kernel.org/stable/c/16236b0b4a08fa3e326cf1373ef789dabdc2e30d","https://git.kernel.org/stable/c/725d4fdaa01bd1161782081f419e1568cc7432e0","https://git.kernel.org/stable/c/392b3d9d595f34877dd745b470c711e8ebcd225c"],"weaknesses":[],"ingestedAt":"2026-10-29T20:11:21.040Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/23xxx/CVE-2026-23142.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-23142","state":"PUBLISHED","datePublished":"2026-02-14T15:36:08.147Z","dateUpdated":"2026-05-11T22:00:56.683Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-01-13T15:37:45.973Z"},"containers":{"cna":{"title":"mm/damon/sysfs-scheme: cleanup access_pattern subdirs on scheme dir setup failure","descriptions":[{"lang":"en","value":"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/ 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."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"9bbb820a5bd5f406ae5e0819cc31f2c2e6f4d990","status":"affected","lessThan":"ae8ac0066b48ed957bdcab58f0d3543549c57a29","versionType":"git"},{"version":"9bbb820a5bd5f406ae5e0819cc31f2c2e6f4d990","status":"affected","lessThan":"e9711bd0e64812c694a228cf58c9e6032decee54","versionType":"git"},{"version":"9bbb820a5bd5f406ae5e0819cc31f2c2e6f4d990","status":"affected","lessThan":"16236b0b4a08fa3e326cf1373ef789dabdc2e30d","versionType":"git"},{"version":"9bbb820a5bd5f406ae5e0819cc31f2c2e6f4d990","status":"affected","lessThan":"725d4fdaa01bd1161782081f419e1568cc7432e0","versionType":"git"},{"version":"9bbb820a5bd5f406ae5e0819cc31f2c2e6f4d990","status":"affected","lessThan":"392b3d9d595f34877dd745b470c711e8ebcd225c","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["mm/damon/sysfs-schemes.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.18","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.18","versionType":"semver"},{"version":"6.1.162","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.122","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.67","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.7","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["mm/damon/sysfs-schemes.c"]}],"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"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T22:00:56.683Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.18","versionEndExcluding":"6.1.162"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.18","versionEndExcluding":"6.6.122"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.18","versionEndExcluding":"6.12.67"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.18","versionEndExcluding":"6.18.7"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.18","versionEndExcluding":"6.19"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}