{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-21679", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-12-29T08:45:45.738Z", "datePublished": "2025-01-31T11:25:40.171Z", "dateUpdated": "2026-05-11T21:04:21.083Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T21:04:21.083Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbtrfs: add the missing error handling inside get_canonical_dev_path\n\nInside function get_canonical_dev_path(), we call d_path() to get the\nfinal device path.\n\nBut d_path() can return error, and in that case the next strscpy() call\nwill trigger an invalid memory access.\n\nAdd back the missing error handling for d_path()."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/btrfs/volumes.c"], "versions": [{"version": "5d261f60b5c82ba1e4b5555252e1c90c43d96015", "lessThan": "d0fb5741932b831eded49bfaaf33353e96200d6d", "status": "affected", "versionType": "git"}, {"version": "7e06de7c83a746e58d4701e013182af133395188", "lessThan": "fe4de594f7a2e9bc49407de60fbd20809fad4192", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/btrfs/volumes.c"], "versions": [{"version": "6.12.5", "lessThan": "6.12.11", "status": "affected", "versionType": "semver"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.12.5", "versionEndExcluding": "6.12.11"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/d0fb5741932b831eded49bfaaf33353e96200d6d"}, {"url": "https://git.kernel.org/stable/c/fe4de594f7a2e9bc49407de60fbd20809fad4192"}], "title": "btrfs: add the missing error handling inside get_canonical_dev_path", "x_generator": {"engine": "bippy-1.2.0"}}}}

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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "25828794-DCB1-41A9-9373-EF1692ABCBD5", "versionEndExcluding": "6.12.11", "versionStartIncluding": "6.12.5", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.13:rc1:*:*:*:*:*:*", "matchCriteriaId": "62567B3C-6CEE-46D0-BC2E-B3717FBF7D13", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.13:rc2:*:*:*:*:*:*", "matchCriteriaId": "5A073481-106D-4B15-B4C7-FB0213B8E1D4", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.13:rc3:*:*:*:*:*:*", "matchCriteriaId": "DE491969-75AE-4A6B-9A58-8FC5AF98798F", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.13:rc4:*:*:*:*:*:*", "matchCriteriaId": "93C0660D-7FB8-4FBA-892A-B064BA71E49E", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.13:rc5:*:*:*:*:*:*", "matchCriteriaId": "034C36A6-C481-41F3-AE9A-D116E5BE6895", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.13:rc6:*:*:*:*:*:*", "matchCriteriaId": "8AF9DC49-2085-4FFB-A7E3-73DFAFECC7F2", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.13:rc7:*:*:*:*:*:*", "matchCriteriaId": "5DFCDFB8-4FD0-465A-9076-D813D78FE51B", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbtrfs: add the missing error handling inside get_canonical_dev_path\n\nInside function get_canonical_dev_path(), we call d_path() to get the\nfinal device path.\n\nBut d_path() can return error, and in that case the next strscpy() call\nwill trigger an invalid memory access.\n\nAdd back the missing error handling for d_path()."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: btrfs: agregar la gesti\u00f3n de errores faltante dentro de get_canonical_dev_path Dentro de la funci\u00f3n get_canonical_dev_path(), llamamos a d_path() para obtener la ruta final del dispositivo. Pero d_path() puede devolver un error y, en ese caso, la siguiente llamada a strscpy() activar\u00e1 un acceso a memoria no v\u00e1lido. Agregue nuevamente la gesti\u00f3n de errores faltante para d_path()."}], "id": "CVE-2025-21679", "lastModified": "2025-10-15T13:39:54.180", "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": "2025-01-31T12:15:29.070", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/d0fb5741932b831eded49bfaaf33353e96200d6d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/fe4de594f7a2e9bc49407de60fbd20809fad4192"}], "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: btrfs: add the missing error handling inside get_canonical_dev_path", "id": "2343168", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2343168"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nbtrfs: add the missing error handling inside get_canonical_dev_path\nInside function get_canonical_dev_path(), we call d_path() to get the\nfinal device path.\nBut d_path() can return error, and in that case the next strscpy() call\nwill trigger an invalid memory access.\nAdd back the missing error handling for d_path()."], "name": "CVE-2025-21679", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "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": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-01-31T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-21679\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-21679\nhttps://lore.kernel.org/linux-cve-announce/2025013102-CVE-2025-21679-f980@gregkh/T"], "threat_severity": "Moderate"}

{}