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.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published: 2021-05-28T10:42:44

Updated: 2024-08-03T17:37:23.604Z

Reserved: 2020-12-17T00:00:00

Link: CVE-2021-20292

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Analyzed

Published: 2021-05-28T11:15:08.130

Modified: 2023-07-28T19:35:59.133

Link: CVE-2021-20292

cve-icon Redhat

Severity : Moderate

Publid Date: 2020-08-13T00:00:00Z

Links: CVE-2021-20292 - Bugzilla