{ "id": "CVE-2023-3439", "sourceIdentifier": "patrick@puiterwijk.org", "published": "2023-06-28T21:15:10.517", "lastModified": "2024-11-21T08:17:16.167", "vulnStatus": "Modified", "cveTags": [], "descriptions": [ { "lang": "en", "value": "A flaw was found in the MCTP protocol in the Linux kernel. The function mctp_unregister() reclaims the device's relevant resource when a netcard detaches. However, a running routine may be unaware of this and cause the use-after-free of the mdev->addrs object, potentially leading to a denial of service." } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H", "baseScore": 4.7, "baseSeverity": "MEDIUM", "attackVector": "LOCAL", "attackComplexity": "HIGH", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH" }, "exploitabilityScore": 1.0, "impactScore": 3.6 } ] }, "weaknesses": [ { "source": "patrick@puiterwijk.org", "type": "Secondary", "description": [ { "lang": "en", "value": "CWE-416" } ] }, { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-416" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "5.18", "matchCriteriaId": "FE93544F-B946-47CF-9697-FBF3484FCB92" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:5.18:rc1:*:*:*:*:*:*", "matchCriteriaId": "6AD94161-84BB-42E6-9882-4FC0C42E9FC1" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:5.18:rc2:*:*:*:*:*:*", "matchCriteriaId": "7AB06DDF-3C2B-416D-B448-E990D8FF67A9" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:5.18:rc3:*:*:*:*:*:*", "matchCriteriaId": "EAE6C6C5-4D21-4C04-897C-70CBBB3D7B91" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:5.18:rc4:*:*:*:*:*:*", "matchCriteriaId": "DA5F085D-52F3-4EE2-8353-455D1A6FE073" } ] } ] } ], "references": [ { "url": "http://www.openwall.com/lists/oss-security/2023/07/02/1", "source": "patrick@puiterwijk.org", "tags": [ "Mailing List", "Patch", "Third Party Advisory" ] }, { "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2217915", "source": "patrick@puiterwijk.org", "tags": [ "Issue Tracking", "Patch", "Third Party Advisory" ] }, { "url": "https://github.com/torvalds/linux/commit/b561275d633bcd8e0e8055ab86f1a13df75a0269", "source": "patrick@puiterwijk.org", "tags": [ "Patch" ] }, { "url": "http://www.openwall.com/lists/oss-security/2023/07/02/1", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Mailing List", "Patch", "Third Party Advisory" ] }, { "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2217915", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Issue Tracking", "Patch", "Third Party Advisory" ] }, { "url": "https://github.com/torvalds/linux/commit/b561275d633bcd8e0e8055ab86f1a13df75a0269", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Patch" ] } ] }