{ "id": "CVE-2023-1872", "sourceIdentifier": "cve-coordination@google.com", "published": "2023-04-12T16:15:17.027", "lastModified": "2023-06-22T15:15:10.717", "vulnStatus": "Modified", "descriptions": [ { "lang": "en", "value": "A use-after-free vulnerability in the Linux Kernel io_uring system can be exploited to achieve local privilege escalation.\n\nThe io_file_get_fixed function lacks the presence of ctx->uring_lock which can lead to a Use-After-Free vulnerability due a race condition with fixed files getting unregistered.\n\nWe recommend upgrading past commit da24142b1ef9fd5d36b76e36bab328a5b27523e8.\n\n" } ], "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:H/I:H/A:H", "attackVector": "LOCAL", "attackComplexity": "HIGH", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseScore": 7.0, "baseSeverity": "HIGH" }, "exploitabilityScore": 1.0, "impactScore": 5.9 }, { "source": "cve-coordination@google.com", "type": "Secondary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH" }, "exploitabilityScore": 1.8, "impactScore": 5.9 } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-416" } ] }, { "source": "cve-coordination@google.com", "type": "Secondary", "description": [ { "lang": "en", "value": "CWE-416" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "5.17", "matchCriteriaId": "A37A8EE9-3F14-4C7A-A882-DA8A6AD1897C" } ] } ] } ], "references": [ { "url": "http://packetstormsecurity.com/files/173087/Kernel-Live-Patch-Security-Notice-LSN-0095-1.html", "source": "cve-coordination@google.com" }, { "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=linux-5.10.y&id=08681391b84da27133deefaaddefd0acfa90c2be", "source": "cve-coordination@google.com", "tags": [ "Mailing List", "Product" ] }, { "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=linux-5.10.y&id=da24142b1ef9fd5d36b76e36bab328a5b27523e8", "source": "cve-coordination@google.com", "tags": [ "Mailing List", "Patch" ] }, { "url": "https://lists.debian.org/debian-lts-announce/2023/05/msg00005.html", "source": "cve-coordination@google.com" }, { "url": "https://security.netapp.com/advisory/ntap-20230601-0002/", "source": "cve-coordination@google.com" } ] }