CVE-2021-46911

{"id": "CVE-2021-46911", "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "published": "2024-02-27T07:15:07.480", "references": [{"url": "https://git.kernel.org/stable/c/1a73e427b824133940c2dd95ebe26b6dce1cbf10", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/8348665d4181c68b0ca1205b48e1753d78bc810f", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/8d5a9dbd2116a852f8f0f91f6fbc42a0afe1091f", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/1a73e427b824133940c2dd95ebe26b6dce1cbf10", "tags": ["Patch"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://git.kernel.org/stable/c/8348665d4181c68b0ca1205b48e1753d78bc810f", "tags": ["Patch"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://git.kernel.org/stable/c/8d5a9dbd2116a852f8f0f91f6fbc42a0afe1091f", "tags": ["Patch"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nch_ktls: Fix kernel panic\n\nTaking page refcount is not ideal and causes kernel panic\nsometimes. It's better to take tx_ctx lock for the complete\nskb transmit, to avoid page cleanup if ACK received in middle."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ch_ktls: soluciona el p\u00e1nico del kernel. Realizar un recuento de p\u00e1ginas no es ideal y a veces provoca p\u00e1nico en el kernel. Es mejor utilizar el bloqueo tx_ctx para la transmisi\u00f3n skb completa, para evitar la limpieza de la p\u00e1gina si se recibe ACK en el medio."}], "lastModified": "2024-11-21T06:34:54.890", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C1C508F5-A923-4065-B935-4585062D5CA8", "versionEndExcluding": "5.10.32", "versionStartIncluding": "5.7.0"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "3C5242B9-B5BD-4578-AD66-69DF59D54A14", "versionEndExcluding": "5.11.16", "versionStartIncluding": "5.11.0"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}