{"id":"CVE-2026-23144","revision":null,"records":[{"revision":"bfb08d6b06154cccbe8b976c381fd40b","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-23144","aliases":[],"title":"mm/damon/sysfs: cleanup attrs subdirs on context dir setup failure","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nmm/damon/sysfs: cleanup attrs subdirs on context dir setup failure\n\nWhen a context DAMON sysfs directory setup is failed after setup of attrs/\ndirectory, subdirectories of attrs/ directory are not cleaned up.  As a\nresult, DAMON sysfs interface is nearly broken until the system reboots,\nand the memory for the unremoved directory is leaked.\n\nCleanup the directories under such failures.","state":0,"publishedAt":"2026-02-14T15:36:09.518+00:00","modifiedAt":"2026-10-19T18:25:33.137+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"mm/damon/sysfs.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"c951cd3b89010c7a4751b9d4ea074007e44851e6\",\n                            \"lessThan\": \"db7dfe78fc81bdd2b532d77f340fe453f2360426\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"c951cd3b89010c7a4751b9d4ea074007e44851e6\",\n                            \"lessThan\": \"43964644348f6b1add3055c4a6cae8f77d892a6e\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"c951cd3b89010c7a4751b9d4ea074007e44851e6\",\n                            \"lessThan\": \"5651c0c391c0029541794f9c4c9597faecfd401f\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"c951cd3b89010c7a4751b9d4ea074007e44851e6\",\n                            \"lessThan\": \"78b4eb99751ebd37ceade78810bf94de80f7fb3a\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"c951cd3b89010c7a4751b9d4ea074007e44851e6\",\n                            \"lessThan\": \"9814cc832b88bd040fc2a1817c2b5469d0f7e862\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"affected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"mm/damon/sysfs.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"5.18\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"5.18\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.1.162\",\n                            \"lessThanOrEqual\": \"6.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.122\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.67\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.7\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.19\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://git.kernel.org/stable/c/db7dfe78fc81bdd2b532d77f340fe453f2360426","https://git.kernel.org/stable/c/43964644348f6b1add3055c4a6cae8f77d892a6e","https://git.kernel.org/stable/c/5651c0c391c0029541794f9c4c9597faecfd401f","https://git.kernel.org/stable/c/78b4eb99751ebd37ceade78810bf94de80f7fb3a","https://git.kernel.org/stable/c/9814cc832b88bd040fc2a1817c2b5469d0f7e862"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-23144","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-23144","identifiers":["CVE-2026-23144"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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