{ "id": "CVE-2023-2612", "sourceIdentifier": "security@ubuntu.com", "published": "2023-05-31T00:15:10.257", "lastModified": "2023-06-22T15:15:12.620", "vulnStatus": "Modified", "cveTags": [], "descriptions": [ { "lang": "en", "value": "Jean-Baptiste Cayrou discovered that the shiftfs file system in the Ubuntu Linux kernel contained a race condition when handling inode locking in some situations. A local attacker could use this to cause a denial of service (kernel deadlock)." } ], "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", "attackVector": "LOCAL", "attackComplexity": "HIGH", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseScore": 4.7, "baseSeverity": "MEDIUM" }, "exploitabilityScore": 1.0, "impactScore": 3.6 }, { "source": "security@ubuntu.com", "type": "Secondary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "HIGH", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseScore": 4.4, "baseSeverity": "MEDIUM" }, "exploitabilityScore": 0.8, "impactScore": 3.6 } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-667" } ] }, { "source": "security@ubuntu.com", "type": "Secondary", "description": [ { "lang": "en", "value": "CWE-667" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*", "matchCriteriaId": "902B8056-9E37-443B-8905-8AA93E2447FB" }, { "vulnerable": true, "criteria": "cpe:2.3:o:canonical:ubuntu_linux:22.04:*:*:*:lts:*:*:*", "matchCriteriaId": "359012F1-2C63-415A-88B8-6726A87830DE" }, { "vulnerable": true, "criteria": "cpe:2.3:o:canonical:ubuntu_linux:22.10:*:*:*:-:*:*:*", "matchCriteriaId": "47842532-D2B6-44CB-ADE2-4AC8630A4D8C" } ] } ] } ], "references": [ { "url": "http://packetstormsecurity.com/files/173087/Kernel-Live-Patch-Security-Notice-LSN-0095-1.html", "source": "security@ubuntu.com" }, { "url": "https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/kinetic/commit/?id=02b47547824b1cd0d55c6744f91886f04de8947e", "source": "security@ubuntu.com", "tags": [ "Mailing List", "Patch" ] }, { "url": "https://ubuntu.com/security/CVE-2023-2612", "source": "security@ubuntu.com", "tags": [ "Vendor Advisory" ] }, { "url": "https://ubuntu.com/security/notices/USN-6122-1", "source": "security@ubuntu.com", "tags": [ "Vendor Advisory" ] }, { "url": "https://ubuntu.com/security/notices/USN-6123-1", "source": "security@ubuntu.com", "tags": [ "Vendor Advisory" ] }, { "url": "https://ubuntu.com/security/notices/USN-6124-1", "source": "security@ubuntu.com", "tags": [ "Vendor Advisory" ] }, { "url": "https://ubuntu.com/security/notices/USN-6127-1", "source": "security@ubuntu.com", "tags": [ "Vendor Advisory" ] } ] }