CVE-2022-3586

{"id": "CVE-2022-3586", "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": "2022-10-19T18:15:13.113", "references": [{"url": "https://github.com/torvalds/linux/commit/9efd23297cca", "tags": ["Patch", "Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "https://www.zerodayinitiative.com/advisories/upcoming/", "tags": ["Third Party Advisory", "VDB Entry"], "source": "secalert@redhat.com"}, {"url": "https://github.com/torvalds/linux/commit/9efd23297cca", "tags": ["Patch", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.zerodayinitiative.com/advisories/upcoming/", "tags": ["Third Party Advisory", "VDB Entry"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "secalert@redhat.com", "description": [{"lang": "en", "value": "CWE-416"}]}], "descriptions": [{"lang": "en", "value": "A flaw was found in the Linux kernel\u2019s networking code. A use-after-free was found in the way the sch_sfb enqueue function used the socket buffer (SKB) cb field after the same SKB had been enqueued (and freed) into a child qdisc. This flaw allows a local, unprivileged user to crash the system, causing a denial of service."}, {"lang": "es", "value": "Se ha encontrado un fallo en el c\u00f3digo de red del kernel de Linux. Ha sido encontrado un uso de memoria previamente liberada en la forma en que la funci\u00f3n sch_sfb enqueue us\u00f3 el campo cb del b\u00fafer de socket (SKB) despu\u00e9s de que el mismo SKB hab\u00eda sido puesto en cola (y liberado) en un qdisc hijo. Este fallo permite a un usuario local no privilegiado bloquear el sistema, causando una denegaci\u00f3n de servicio"}], "lastModified": "2024-11-21T07:19:49.517", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "87B81C9D-7173-4FFB-97BC-9C41AB20A53C", "versionEndExcluding": "6.0"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.0:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E8BD11A3-8643-49B6-BADE-5029A0117325"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.0:rc2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5F0AD220-F6A9-4012-8636-155F1B841FAD"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.0:rc3:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A46498B3-78E1-4623-AAE1-94D29A42BE4E"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.0:rc4:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F8446E87-F5F6-41CA-8201-BAE0F0CA6DD9"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73"}], "operator": "OR"}]}], "sourceIdentifier": "secalert@redhat.com"}