{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-23144", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-01-13T15:37:45.974Z", "datePublished": "2026-02-14T15:36:09.518Z", "dateUpdated": "2026-02-14T15:36:09.518Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-02-14T15:36:09.518Z"}, "descriptions": [{"lang": "en", "value": "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."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["mm/damon/sysfs.c"], "versions": [{"version": "c951cd3b89010c7a4751b9d4ea074007e44851e6", "lessThan": "db7dfe78fc81bdd2b532d77f340fe453f2360426", "status": "affected", "versionType": "git"}, {"version": "c951cd3b89010c7a4751b9d4ea074007e44851e6", "lessThan": "43964644348f6b1add3055c4a6cae8f77d892a6e", "status": "affected", "versionType": "git"}, {"version": "c951cd3b89010c7a4751b9d4ea074007e44851e6", "lessThan": "5651c0c391c0029541794f9c4c9597faecfd401f", "status": "affected", "versionType": "git"}, {"version": "c951cd3b89010c7a4751b9d4ea074007e44851e6", "lessThan": "78b4eb99751ebd37ceade78810bf94de80f7fb3a", "status": "affected", "versionType": "git"}, {"version": "c951cd3b89010c7a4751b9d4ea074007e44851e6", "lessThan": "9814cc832b88bd040fc2a1817c2b5469d0f7e862", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["mm/damon/sysfs.c"], "versions": [{"version": "5.18", "status": "affected"}, {"version": "0", "lessThan": "5.18", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.162", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.122", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.67", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.7", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.19", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "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"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/db7dfe78fc81bdd2b532d77f340fe453f2360426"}, {"url": "https://git.kernel.org/stable/c/43964644348f6b1add3055c4a6cae8f77d892a6e"}, {"url": "https://git.kernel.org/stable/c/5651c0c391c0029541794f9c4c9597faecfd401f"}, {"url": "https://git.kernel.org/stable/c/78b4eb99751ebd37ceade78810bf94de80f7fb3a"}, {"url": "https://git.kernel.org/stable/c/9814cc832b88bd040fc2a1817c2b5469d0f7e862"}], "title": "mm/damon/sysfs: cleanup attrs subdirs on context dir setup failure", "x_generator": {"engine": "bippy-1.2.0"}}}}

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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "3E9EC47F-0DAF-443F-AC55-E8DC35F75C72", "versionEndExcluding": "6.1.162", "versionStartIncluding": "5.18", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "8EAAE395-0162-4BAF-9AD5-E9AF3C869C4F", "versionEndExcluding": "6.6.122", "versionStartIncluding": "6.2", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "7456F614-6AA8-4C08-8229-BA342D4AFBAD", "versionEndExcluding": "6.12.67", "versionStartIncluding": "6.7", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "99FF3E05-0E7A-44E9-8E47-BF6F1F8EC436", "versionEndExcluding": "6.18.7", "versionStartIncluding": "6.13", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.19:rc1:*:*:*:*:*:*", "matchCriteriaId": "17B67AA7-40D6-4AFA-8459-F200F3D7CFD1", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.19:rc2:*:*:*:*:*:*", "matchCriteriaId": "C47E4CC9-C826-4FA9-B014-7FE3D9B318B2", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.19:rc3:*:*:*:*:*:*", "matchCriteriaId": "F71D92C0-C023-48BD-B3B6-70B638EEE298", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.19:rc4:*:*:*:*:*:*", "matchCriteriaId": "13580667-0A98-40CC-B29F-D12790B91BDB", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.19:rc5:*:*:*:*:*:*", "matchCriteriaId": "CAD1FED7-CF48-47BF-AC7D-7B6FA3C065FC", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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."}, {"lang": "es", "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nmm/damon/sysfs: limpieza de subdirectorios de attrs en caso de fallo en la configuraci\u00f3n del directorio de contexto\n\nCuando la configuraci\u00f3n de un directorio sysfs de DAMON de contexto falla despu\u00e9s de la configuraci\u00f3n del directorio attrs/, los subdirectorios del directorio attrs/ no se limpian. Como resultado, la interfaz sysfs de DAMON queda casi rota hasta que el sistema se reinicia, y la memoria para el directorio no eliminado se fuga.\n\nLimpiar los directorios en caso de tales fallos."}], "id": "CVE-2026-23144", "lastModified": "2026-03-17T21:13:24.750", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2026-02-14T16:15:54.490", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/43964644348f6b1add3055c4a6cae8f77d892a6e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/5651c0c391c0029541794f9c4c9597faecfd401f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/78b4eb99751ebd37ceade78810bf94de80f7fb3a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/9814cc832b88bd040fc2a1817c2b5469d0f7e862"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/db7dfe78fc81bdd2b532d77f340fe453f2360426"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: mm/damon/sysfs: cleanup attrs subdirs on context dir setup failure", "id": "2439872", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2439872"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "details": ["No description is available for this CVE."], "name": "CVE-2026-23144", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-02-14T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-23144\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-23144\nhttps://lore.kernel.org/linux-cve-announce/2026021417-CVE-2026-23144-297b@gregkh/T"], "threat_severity": "Important"}

{"created": "2026-02-16T12:01:22.776627+00:00", "updated": "2026-02-16T12:01:22.776718+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}