CVE-2024-42295

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it can occur\nif the argument block address (the buffer index of the newly created\nblock) is a virtual block number and has been reallocated due to\ncorruption of the bitmap used to manage its allocation state.\n\nSo, modify nilfs_btnode_create_block() and its callers to treat it as a\npossible filesystem error, rather than triggering a kernel bug."}, {"lang": "es", "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: nilfs2: maneja el estado inconsistente en nilfs_btnode_create_block() Syzbot inform\u00f3 que se detect\u00f3 una inconsistencia en el estado del b\u00fafer en nilfs_btnode_create_block(), lo que provoc\u00f3 un error en el kernel. No es apropiado tratar esta inconsistencia como un error; puede ocurrir si la direcci\u00f3n del bloque de argumentos (el \u00edndice del b\u00fafer del bloque reci\u00e9n creado) es un n\u00famero de bloque virtual y se ha reasignado debido a la corrupci\u00f3n del mapa de bits utilizado para administrar su estado de asignaci\u00f3n. Por lo tanto, modifique nilfs_btnode_create_block() y sus llamadores para tratarlo como un posible error del sistema de archivos, en lugar de desencadenar un error del kernel."}], "id": "CVE-2024-42295", "lastModified": "2026-06-17T07:49:12.007", "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"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2024-42295", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2024-09-10T16:10:50.851556Z", "version": "2.0.3"}}]}, "published": "2024-08-17T09:15:10.017", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/012be828a118bf496e666ef1fc47fc0e7358ada2"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/02b87e6334a38c65eef49848d3f1ac422f0b2a44"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/19cce46238ffe3546e44b9c74057103ff8b24c62"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/366c3f688dd0288cbe38af1d3a886b5c62372e4a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/4811f7af6090e8f5a398fbdd766f903ef6c0d787"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/5f0a6800b8aec1b453c7fe4c44fcaac5ffe9d52e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/be56dfc9be0604291267c07b0e27a69a6bda4899"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/e34191cce3ee63dfa5fb241904aaf2a042d5b6d8"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2024/10/msg00003.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: nilfs2: handle inconsistent state in nilfs_btnode_create_block()", "id": "2305440", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2305440"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.1", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:H", "status": "draft"}, "cwe": "CWE-388", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nnilfs2: handle inconsistent state in nilfs_btnode_create_block()\nSyzbot reported that a buffer state inconsistency was detected in\nnilfs_btnode_create_block(), triggering a kernel bug.\nIt is not appropriate to treat this inconsistency as a bug; it can occur\nif the argument block address (the buffer index of the newly created\nblock) is a virtual block number and has been reallocated due to\ncorruption of the bitmap used to manage its allocation state.\nSo, modify nilfs_btnode_create_block() and its callers to treat it as a\npossible filesystem error, rather than triggering a kernel bug."], "name": "CVE-2024-42295", "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": "2024-08-17T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-42295\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-42295\nhttps://lore.kernel.org/linux-cve-announce/2024081747-CVE-2024-42295-4f43@gregkh/T"], "threat_severity": "Moderate"}

{"created": "2025-07-13T11:31:10.587235+00:00", "updated": "2025-07-13T11:31:10.587314+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}