What’s Vulnerable › Vulnerabilities

CVE-2025-38543: drm/tegra: nvdec: Fix dma_alloc_coherent error check

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-08-16 · updated 2026-06-17
• Weakness: CWE-476

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'.

Affected products

• Debian Linux: 11.0
• Linux kernel: from 5.17 before 6.1.146; from 6.2 before 6.6.99; from 6.7 before 6.12.39; from 6.13 before 6.15.7; 6.16-rc1, 6.16-rc2, 6.16-rc3, 6.16-rc4, 6.16-rc5 — fixed in 6.1.146, 6.12.39, 6.15.7, 6.6.99

How to fix

Upgrade to a fixed version: Linux kernel 6.1.146, 6.12.39, 6.15.7, 6.6.99. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/2e0812eedccd0629d73c9d0b1184a5db055df1da
• https://git.kernel.org/stable/c/44306a684cd1699b8562a54945ddc43e2abc9eab
• https://git.kernel.org/stable/c/61b8d20962d00b7df117011c52f97cbb9c76a669
• https://git.kernel.org/stable/c/a560de522374af931fa994d161db3667b0bb2545
• https://git.kernel.org/stable/c/d1240029f97ac8c06db4dd4407bbbf83e8d08570
• https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html

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