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{"descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\next4: avoid dividing by 0 in mb_update_avg_fragment_size() when block bitmap corrupt\n\nDetermine if bb_fragments is 0 instead of determining bb_free to eliminate\nthe risk of dividing by zero when the block bitmap is corrupted."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ext4: evitar dividir por 0 en mb_update_avg_fragment_size() cuando el mapa de bits del bloque est\u00e1 da\u00f1ado. Determine si bb_fragments es 0 en lugar de determinar bb_free para eliminar el riesgo de dividir por cero cuando el mapa de bits del bloque est\u00e1 da\u00f1ado."}], "id": "CVE-2024-26774", "lastModified": "2024-11-21T09:03:02.507", "metrics": {}, "published": "2024-04-03T17:15:53.130", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/687061cfaa2ac3095170e136dd9c29a4974f41d4"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/8b40eb2e716b503f7a4e1090815a17b1341b2150"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/8cf9cc602cfb40085967c0d140e32691c8b71cf3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/993bf0f4c393b3667830918f9247438a8f6fdb5b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f32d2a745b02123258026e105a008f474f896d6a"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/687061cfaa2ac3095170e136dd9c29a4974f41d4"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/8b40eb2e716b503f7a4e1090815a17b1341b2150"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/8cf9cc602cfb40085967c0d140e32691c8b71cf3"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/993bf0f4c393b3667830918f9247438a8f6fdb5b"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/f32d2a745b02123258026e105a008f474f896d6a"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"affected_release": [{"advisory": "RHSA-2024:9315", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-503.11.1.el9_5", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-11-12T00:00:00Z"}, {"advisory": "RHSA-2024:9315", "cpe": "cpe:/o:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-503.11.1.el9_5", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-11-12T00:00:00Z"}], "bugzilla": {"description": "kernel: ext4: avoid dividing by 0 in mb_update_avg_fragment_size() when block bitmap corrupt", "id": "2273234", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2273234"}, "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": "verified"}, "cwe": "CWE-369", "details": ["In the Linux kernel, the following vulnerability has been resolved:\next4: avoid dividing by 0 in mb_update_avg_fragment_size() when block bitmap corrupt\nDetermine if bb_fragments is 0 instead of determining bb_free to eliminate\nthe risk of dividing by zero when the block bitmap is corrupted."], "name": "CVE-2024-26774", "package_state": [{"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": "Under investigation", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Under investigation", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-04-03T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-26774\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-26774\nhttps://lore.kernel.org/linux-cve-announce/2024040308-CVE-2024-26774-52d9@gregkh/T"], "threat_severity": "Low", "upstream_fix": "kernel 5.15.150, kernel 6.1.80, kernel 6.6.19, kernel 6.7.7, kernel 6.8"}