{ "schema_version": "1.4.0", "id": "GHSA-wr25-pp74-7c53", "modified": "2022-05-24T19:03:37Z", "published": "2022-05-24T19:03:37Z", "aliases": [ "CVE-2021-20292" ], "details": "There is a flaw reported in the Linux kernel in versions before 5.9 in drivers/gpu/drm/nouveau/nouveau_sgdma.c in nouveau_sgdma_create_ttm in Nouveau DRM subsystem. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker with a local account with a root privilege, can leverage this vulnerability to escalate privileges and execute code in the context of the kernel.", "severity": [ { "type": "CVSS_V3", "score": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H" } ], "affected": [], "references": [ { "type": "ADVISORY", "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-20292" }, { "type": "WEB", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1939686" }, { "type": "WEB", "url": "https://lists.debian.org/debian-lts-announce/2021/06/msg00020.html" } ], "database_specific": { "cwe_ids": [ "CWE-416" ], "severity": "HIGH", "github_reviewed": false, "github_reviewed_at": null, "nvd_published_at": "2021-05-28T11:15:00Z" } }