{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-23142", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-01-13T15:37:45.973Z", "datePublished": "2026-02-14T15:36:08.147Z", "dateUpdated": "2026-02-14T15:36:08.147Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-02-14T15:36:08.147Z"}, "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": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["mm/damon/sysfs-schemes.c"], "versions": [{"version": "9bbb820a5bd5f406ae5e0819cc31f2c2e6f4d990", "lessThan": "ae8ac0066b48ed957bdcab58f0d3543549c57a29", "status": "affected", "versionType": "git"}, {"version": "9bbb820a5bd5f406ae5e0819cc31f2c2e6f4d990", "lessThan": "e9711bd0e64812c694a228cf58c9e6032decee54", "status": "affected", "versionType": "git"}, {"version": "9bbb820a5bd5f406ae5e0819cc31f2c2e6f4d990", "lessThan": "16236b0b4a08fa3e326cf1373ef789dabdc2e30d", "status": "affected", "versionType": "git"}, {"version": "9bbb820a5bd5f406ae5e0819cc31f2c2e6f4d990", "lessThan": "725d4fdaa01bd1161782081f419e1568cc7432e0", "status": "affected", "versionType": "git"}, {"version": "9bbb820a5bd5f406ae5e0819cc31f2c2e6f4d990", "lessThan": "392b3d9d595f34877dd745b470c711e8ebcd225c", "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-schemes.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/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"}], "title": "mm/damon/sysfs-scheme: cleanup access_pattern subdirs on scheme dir setup failure", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "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."}, {"lang": "es", "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nmm/damon/sysfs-scheme: limpieza de los subdirectorios de access_pattern en caso de fallo en la configuraci\u00f3n del directorio del esquema\n\nCuando la configuraci\u00f3n de un directorio sysfs de DAMON con esquema DAMOS falla despu\u00e9s de la configuraci\u00f3n del directorio access_pattern/, los subdirectorios del directorio access_pattern/ no se limpian. Como resultado, la interfaz sysfs de DAMON queda casi rota hasta que el sistema se reinicia, y la memoria del directorio no eliminado se fuga.\n\nLimpiar los directorios en caso de tales fallos."}], "id": "CVE-2026-23142", "lastModified": "2026-02-18T17:52:44.520", "metrics": {}, "published": "2026-02-14T16:15:54.273", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/16236b0b4a08fa3e326cf1373ef789dabdc2e30d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/392b3d9d595f34877dd745b470c711e8ebcd225c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/725d4fdaa01bd1161782081f419e1568cc7432e0"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/ae8ac0066b48ed957bdcab58f0d3543549c57a29"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/e9711bd0e64812c694a228cf58c9e6032decee54"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: mm/damon/sysfs-scheme: cleanup access_pattern subdirs on scheme dir setup failure", "id": "2439869", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2439869"}, "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": ["In the Linux kernel, the following vulnerability has been resolved:\nmm/damon/sysfs-scheme: cleanup access_pattern subdirs on scheme dir setup failure\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.\nCleanup the directories under such failures."], "name": "CVE-2026-23142", "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-2026-23142\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-23142\nhttps://lore.kernel.org/linux-cve-announce/2026021416-CVE-2026-23142-f91e@gregkh/T"], "threat_severity": "Moderate"}