Description (CNA)
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.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| n/a / kernel | affected Kernel 5.9 |
CWE
CWE-416
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1939686
- https://lists.debian.org/debian-lts-announce/2021/06/msg00020.html
ADP enrichment
No English description supplied.