Vulnerability Description
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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 3.3, < 4.9.298 |
| Fedoraproject | Fedora | 33 |
| Redhat | Enterprise Linux | 6.0 |
| Debian | Debian Linux | 9.0 |
Related Weaknesses (CWE)
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1939686Issue TrackingPatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/06/msg00020.htmlMailing ListThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1939686Issue TrackingPatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/06/msg00020.htmlMailing ListThird Party Advisory
FAQ
What is CVE-2021-20292?
CVE-2021-20292 is a vulnerability with a CVSS score of 6.7 (MEDIUM). 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 ...
How severe is CVE-2021-20292?
CVE-2021-20292 has been rated MEDIUM with a CVSS base score of 6.7/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-20292?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Fedoraproject Fedora, Redhat Enterprise Linux, Debian Debian Linux.