{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2024-57940", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-01-19T11:50:08.378Z", "datePublished": "2025-01-21T12:18:09.150Z", "dateUpdated": "2025-02-02T10:15:51.328Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-02-02T10:15:51.328Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nexfat: fix the infinite loop in exfat_readdir()\n\nIf the file system is corrupted so that a cluster is linked to\nitself in the cluster chain, and there is an unused directory\nentry in the cluster, 'dentry' will not be incremented, causing\ncondition 'dentry < max_dentries' unable to prevent an infinite\nloop.\n\nThis infinite loop causes s_lock not to be released, and other\ntasks will hang, such as exfat_sync_fs().\n\nThis commit stops traversing the cluster chain when there is unused\ndirectory entry in the cluster to avoid this infinite loop."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/exfat/dir.c"], "versions": [{"version": "ca06197382bde0a3bc20215595d1c9ce20c6e341", "lessThan": "d8cfbb8723bd3d3222f360227a1cc15227189ca6", "status": "affected", "versionType": "git"}, {"version": "ca06197382bde0a3bc20215595d1c9ce20c6e341", "lessThan": "28c21f0ac5293a4bf19b3e0e32005d6dd31a6c17", "status": "affected", "versionType": "git"}, {"version": "ca06197382bde0a3bc20215595d1c9ce20c6e341", "lessThan": "31beabd0f47f8c3ed9965ba861c9e5b252d4920a", "status": "affected", "versionType": "git"}, {"version": "ca06197382bde0a3bc20215595d1c9ce20c6e341", "lessThan": "dc1d7afceb982e8f666e70a582e6b5aa806de063", "status": "affected", "versionType": "git"}, {"version": "ca06197382bde0a3bc20215595d1c9ce20c6e341", "lessThan": "d9ea94f5cd117d56e573696d0045ab3044185a15", "status": "affected", "versionType": "git"}, {"version": "ca06197382bde0a3bc20215595d1c9ce20c6e341", "lessThan": "fee873761bd978d077d8c55334b4966ac4cb7b59", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/exfat/dir.c"], "versions": [{"version": "5.7", "status": "affected"}, {"version": "0", "lessThan": "5.7", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.234", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.177", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.125", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.72", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.10", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.13", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "references": [{"url": "https://git.kernel.org/stable/c/d8cfbb8723bd3d3222f360227a1cc15227189ca6"}, {"url": "https://git.kernel.org/stable/c/28c21f0ac5293a4bf19b3e0e32005d6dd31a6c17"}, {"url": "https://git.kernel.org/stable/c/31beabd0f47f8c3ed9965ba861c9e5b252d4920a"}, {"url": "https://git.kernel.org/stable/c/dc1d7afceb982e8f666e70a582e6b5aa806de063"}, {"url": "https://git.kernel.org/stable/c/d9ea94f5cd117d56e573696d0045ab3044185a15"}, {"url": "https://git.kernel.org/stable/c/fee873761bd978d077d8c55334b4966ac4cb7b59"}], "title": "exfat: fix the infinite loop in exfat_readdir()", "x_generator": {"engine": "bippy-5f407fcff5a0"}}}}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "AFBACF73-7025-451B-BBBE-2B3936BFE76B", "versionEndExcluding": "6.1.125", "versionStartIncluding": "5.7", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "33E12097-C88A-45B4-9677-2A961A08DD3E", "versionEndExcluding": "6.6.72", "versionStartIncluding": "6.2", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "02D604F6-10D1-4F7B-A022-0888406A1121", "versionEndExcluding": "6.12.10", "versionStartIncluding": "6.7", "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}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nexfat: fix the infinite loop in exfat_readdir()\n\nIf the file system is corrupted so that a cluster is linked to\nitself in the cluster chain, and there is an unused directory\nentry in the cluster, 'dentry' will not be incremented, causing\ncondition 'dentry < max_dentries' unable to prevent an infinite\nloop.\n\nThis infinite loop causes s_lock not to be released, and other\ntasks will hang, such as exfat_sync_fs().\n\nThis commit stops traversing the cluster chain when there is unused\ndirectory entry in the cluster to avoid this infinite loop."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: exfat: se corrige el bucle infinito en exfat_readdir() Si el sistema de archivos est\u00e1 da\u00f1ado de modo que un cl\u00faster est\u00e1 vinculado a s\u00ed mismo en la cadena de cl\u00fasteres y hay una entrada de directorio sin usar en el cl\u00faster, 'dentry' no se incrementar\u00e1, lo que provocar\u00e1 que la condici\u00f3n 'dentry &lt; max_dentries' no pueda evitar un bucle infinito. Este bucle infinito hace que s_lock no se libere y otras tareas se cuelguen, como exfat_sync_fs(). Esta confirmaci\u00f3n deja de recorrer la cadena de cl\u00fasteres cuando hay una entrada de directorio sin usar en el cl\u00faster para evitar este bucle infinito."}], "id": "CVE-2024-57940", "lastModified": "2025-02-02T11:15:14.547", "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": "2025-01-21T13:15:08.540", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/28c21f0ac5293a4bf19b3e0e32005d6dd31a6c17"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/31beabd0f47f8c3ed9965ba861c9e5b252d4920a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d8cfbb8723bd3d3222f360227a1cc15227189ca6"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/d9ea94f5cd117d56e573696d0045ab3044185a15"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/dc1d7afceb982e8f666e70a582e6b5aa806de063"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/fee873761bd978d077d8c55334b4966ac4cb7b59"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-835"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: exfat: fix the infinite loop in exfat_readdir()", "id": "2339126", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2339126"}, "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"}, "cwe": "CWE-835", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nexfat: fix the infinite loop in exfat_readdir()\nIf the file system is corrupted so that a cluster is linked to\nitself in the cluster chain, and there is an unused directory\nentry in the cluster, 'dentry' will not be incremented, causing\ncondition 'dentry < max_dentries' unable to prevent an infinite\nloop.\nThis infinite loop causes s_lock not to be released, and other\ntasks will hang, such as exfat_sync_fs().\nThis commit stops traversing the cluster chain when there is unused\ndirectory entry in the cluster to avoid this infinite loop."], "name": "CVE-2024-57940", "package_state": [{"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": "2025-01-21T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-57940\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-57940\nhttps://lore.kernel.org/linux-cve-announce/2025012128-CVE-2024-57940-e289@gregkh/T"], "threat_severity": "Moderate"}