CVE-2025-38543 drm/tegra: nvdec: Fix dma_alloc_coherent error check
A missing NULL check in the Tegra NVDEC driver can cause a kernel crash, leading to denial of service.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2025-38543?
CVE-2025-38543 is a medium-severity vulnerability in Debian Debian Linux, published on 16 Aug 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In the Linux kernel, the following vulnerability has been resolved:
drm/tegra: nvdec: Fix dma_alloc_coherent error check
Check for NULL return value with dma_alloc_coherent, in line with Robin's fix for vic.c in 'drm/tegra: vic: Fix DMA API misuse'.
Weakness: CWE-476
Which versions are affected by CVE-2025-38543?
It affects 2 products.
Products include Debian Debian Linux, Linux kernel.
How do I fix CVE-2025-38543?
Apply the vendor's patch.
Is CVE-2025-38543 being exploited?
There is no known exploitation of CVE-2025-38543 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as BELL-CVE-2025-38543, DEBIAN-CVE-2025-38543, GHSA-9w4m-fr9r-hh23, ROOT-OS-DEBIAN-12-CVE-2025-38543, ROOT-OS-DEBIAN-13-CVE-2025-38543, ROOT-OS-UBUNTU-2404-CVE-2025-38543 and 1 more.