{ "schema_version": "1.4.0", "id": "GHSA-jhw6-rjph-429f", "modified": "2025-02-13T18:31:33Z", "published": "2023-04-12T18:30:39Z", "aliases": [ "CVE-2023-1872" ], "details": "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.", "severity": [ { "type": "CVSS_V3", "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H" } ], "affected": [], "references": [ { "type": "ADVISORY", "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-1872" }, { "type": "WEB", "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=linux-5.10.y&id=08681391b84da27133deefaaddefd0acfa90c2be" }, { "type": "WEB", "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=linux-5.10.y&id=da24142b1ef9fd5d36b76e36bab328a5b27523e8" }, { "type": "WEB", "url": "https://lists.debian.org/debian-lts-announce/2023/05/msg00005.html" }, { "type": "WEB", "url": "https://security.netapp.com/advisory/ntap-20230601-0002" }, { "type": "WEB", "url": "http://packetstormsecurity.com/files/173087/Kernel-Live-Patch-Security-Notice-LSN-0095-1.html" } ], "database_specific": { "cwe_ids": [ "CWE-416" ], "severity": "HIGH", "github_reviewed": false, "github_reviewed_at": null, "nvd_published_at": "2023-04-12T16:15:00Z" } }