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So, fix\nthis.\n\nThis became necessary when the use of nilfs2's own page clear routine\nwas expanded. This state inconsistency does not occur if the buffer\nis written normally by log writing."}, {"lang": "es", "value": " En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: nilfs2: se corrige un error del kernel debido a la falta de limpieza del indicador de retraso del b\u00fafer Syzbot inform\u00f3 que despu\u00e9s de que nilfs2 lee una imagen de sistema de archivos corrupta y se degrada a solo lectura, la comprobaci\u00f3n BUG_ON para el indicador de retraso del b\u00fafer en submission_bh_wbc() puede fallar, lo que provoca un error del kernel. Esto se debe a que el indicador de retraso del b\u00fafer no se borra al borrar los indicadores de estado del b\u00fafer para descartar una p\u00e1gina/folio o un encabezado de b\u00fafer. Por lo tanto, solucione esto. Esto se volvi\u00f3 necesario cuando se expandi\u00f3 el uso de la propia rutina de limpieza de p\u00e1ginas de nilfs2. Esta inconsistencia de estado no ocurre si el b\u00fafer se escribe normalmente mediante la escritura de registro."}], "id": "CVE-2024-50116", "lastModified": "2025-11-03T23:16:52.023", "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"}, {"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": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}, "published": "2024-11-05T18:15:14.763", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/033bc52f35868c2493a2d95c56ece7fc155d7cb3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/27524f65621f490184f2ace44cd8e5f3685af4a3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/412a30b1b28d6073ba29c46a2b0f324c5936293f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/6ed469df0bfbef3e4b44fca954a781919db9f7ab"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/743c78d455e784097011ea958b27396001181567"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/822203f6355f4b322d21e7115419f6b98284be25"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/9f2ab98371c2f2488bf3bf3f9b2a73510545e9c1"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/c6f58ff2d4c552927fe9a187774e668ebba6c7aa"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2025/03/msg00002.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: fix kernel bug due to missing clearing of buffer delay flag", "id": "2323934", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2323934"}, "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-704", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nnilfs2: fix kernel bug due to missing clearing of buffer delay flag\nSyzbot reported that after nilfs2 reads a corrupted file system image\nand degrades to read-only, the BUG_ON check for the buffer delay flag\nin submit_bh_wbc() may fail, causing a kernel bug.\nThis is because the buffer delay flag is not cleared when clearing the\nbuffer state flags to discard a page/folio or a buffer head. So, fix\nthis.\nThis became necessary when the use of nilfs2's own page clear routine\nwas expanded. This state inconsistency does not occur if the buffer\nis written normally by log writing."], "name": "CVE-2024-50116", "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": "2024-11-05T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-50116\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-50116\nhttps://lore.kernel.org/linux-cve-announce/2024110555-CVE-2024-50116-64fb@gregkh/T"], "threat_severity": "Moderate"}

{}