CVE-2024-41935

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["fs/f2fs/extent_cache.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "e05d3eab90d6657bdcaa40ed129e9c767ed43188", "status": "affected", "version": "98e4da8ca301e062d79ae168c67e56f3c3de3ce4", "versionType": "git"}, {"lessThan": "295b50e95e900da31ff237e46e04525fa799b2cf", "status": "affected", "version": "98e4da8ca301e062d79ae168c67e56f3c3de3ce4", "versionType": "git"}, {"lessThan": "924f7dd1e832e4e4530d14711db223d2803f7b61", "status": "affected", "version": "98e4da8ca301e062d79ae168c67e56f3c3de3ce4", "versionType": "git"}, {"lessThan": "3fc5d5a182f6a1f8bd4dc775feb54c369dd2c343", "status": "affected", "version": "98e4da8ca301e062d79ae168c67e56f3c3de3ce4", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["fs/f2fs/extent_cache.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "3.8"}, {"lessThan": "3.8", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.191", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.66", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.5", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "6.13", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "2B308624-8B2B-43C9-9186-5B0A7DF91D3B", "versionEndExcluding": "6.6.66", "versionStartIncluding": "3.8", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "9501D045-7A94-42CA-8B03-821BE94A65B7", "versionEndExcluding": "6.12.5", "versionStartIncluding": "6.7", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nf2fs: fix to shrink read extent node in batches\n\nWe use rwlock to protect core structure data of extent tree during\nits shrink, however, if there is a huge number of extent nodes in\nextent tree, during shrink of extent tree, it may hold rwlock for\na very long time, which may trigger kernel hang issue.\n\nThis patch fixes to shrink read extent node in batches, so that,\ncritical region of the rwlock can be shrunk to avoid its extreme\nlong time hold."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: f2fs: correcci\u00f3n para reducir el nodo de extensi\u00f3n de lectura en lotes Usamos rwlock para proteger los datos de la estructura central del \u00e1rbol de extensi\u00f3n durante su reducci\u00f3n, sin embargo, si hay una gran cantidad de nodos de extensi\u00f3n en el \u00e1rbol de extensi\u00f3n, durante la reducci\u00f3n del \u00e1rbol de extensi\u00f3n, puede mantener rwlock durante mucho tiempo, lo que puede desencadenar un problema de bloqueo del kernel. Este parche corrige la reducci\u00f3n del nodo de extensi\u00f3n de lectura en lotes, de modo que la regi\u00f3n cr\u00edtica de rwlock se pueda reducir para evitar su retenci\u00f3n de tiempo extremadamente largo."}], "id": "CVE-2024-41935", "lastModified": "2026-10-30T13:17:31.470", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.2, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2025-01-11T13:15:21.083", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/295b50e95e900da31ff237e46e04525fa799b2cf"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/3fc5d5a182f6a1f8bd4dc775feb54c369dd2c343"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/924f7dd1e832e4e4530d14711db223d2803f7b61"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/e05d3eab90d6657bdcaa40ed129e9c767ed43188"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-125"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: f2fs: fix to shrink read extent node in batches", "id": "2337108", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2337108"}, "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:\nf2fs: fix to shrink read extent node in batches\nWe use rwlock to protect core structure data of extent tree during\nits shrink, however, if there is a huge number of extent nodes in\nextent tree, during shrink of extent tree, it may hold rwlock for\na very long time, which may trigger kernel hang issue.\nThis patch fixes to shrink read extent node in batches, so that,\ncritical region of the rwlock can be shrunk to avoid its extreme\nlong time hold."], "name": "CVE-2024-41935", "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": "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": "2025-01-11T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-41935\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-41935\nhttps://lore.kernel.org/linux-cve-announce/2025011118-CVE-2024-41935-e11d@gregkh/T"], "threat_severity": "Low"}

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