CVE-2025-38543 — NULL Pointer Dereference in Linux

CWE-476 — NULL Pointer DereferenceCWE-252 — Unchecked Return Value27 documents8 sources
Severity
5.5MEDIUMNVD
EPSS
0.0%
top 95.98%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
LinuxLinux KernelDebian Linux
Timeline
PublishedAug 16
Latest updateMar 25

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'.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6

Affected Packages3 packages

▶NVDlinux/linux_kernel5.17 — 6.1.146+4
▶Debianlinux/linux_kernel< 6.1.147-1+2
▶CVEListV5linux/linux46f226c93d35b936aeec6eb31da932dc2e86f413 — 61b8d20962d00b7df117011c52f97cbb9c76a669+5

Also affects: Debian Linux 11.0

Patches

Patch: git.kernel.org ↗Patch: git.kernel.org ↗Patch: git.kernel.org ↗

🔴Vulnerability Details

3
CVEList
drm/tegra: nvdec: Fix dma_alloc_coherent error check↗2025-08-16
▶
OSV
CVE-2025-38543: In the Linux kernel, the following vulnerability has been resolved: drm/tegra: nvdec: Fix dma_alloc_coherent error check Check for NULL return value w↗2025-08-16
▶
GHSA
GHSA-9w4m-fr9r-hh23: In the Linux kernel, the following vulnerability has been resolved: drm/tegra: nvdec: Fix dma_alloc_coherent error check Check for NULL return value↗2025-08-16
▶

📋Vendor Advisories

23
Ubuntu
Linux kernel (Azure) vulnerabilities↗2026-03-25
▶
Ubuntu
Linux kernel (Azure) vulnerabilities↗2026-03-04
▶
Ubuntu
Linux kernel (Azure FIPS) vulnerabilities↗2026-03-04
▶
Ubuntu
Linux kernel (Xilinx) vulnerabilities↗2026-02-24
▶
Ubuntu
Linux kernel (IBM) vulnerabilities↗2026-02-24
▶
CVE-2025-38543 — NULL Pointer Dereference in Linux | cvebase