5.5

CVE-2025-38543: debian debian_linux NULL Pointer Dereference

CVSS: 5.5v3.1MediumAnalyzed
AliasesUBUNTU-CVE-2025-38543DEBIAN-CVE-2025-38543
Published 16-08-2025Last modified 11-05-2026

Vulnerability summary

CVE-2025-38543 is a medium (CVSS 5.5) NULL Pointer Dereference vulnerability in debian debian_linux. EPSS estimates a 0.15% chance of exploitation in the next 30 days, higher than 4.2% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.15%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 39 · Related 38

Timeline

  1. 16-08-2025
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last modifiedVulnerability information updated.

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 metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.15%

Chance of exploitation in the next 30 days

Percentile

4%

Versus all other CVEs

30-day change

+0.01 pp

From 0.15% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.15%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Ubuntu121 products
  • linux< 6.8.0-100.100
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-aws< 6.8.0-1046.49
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Debian2 products
  • linux< 6.1.147-1 | < 6.12.41-1 | < 6.16.3-1
  • debian_linuxEOL11.0
Linux2 products
  • linux≥ 46f226c93d35b936aeec6eb31da932dc2e86f413, < 61b8d20962d00b7df117011c52f97cbb9c76a669 | ≥ 46f226c93d35b936aeec6eb31da932dc2e86f413, < d1240029f97ac8c06db4dd4407bbbf83e8d08570 | ≥ 46f226c93d35b936aeec6eb31da932dc2e86f413, < a560de522374af931fa994d161db3667b0bb2545 | ≥ 46f226c93d35b936aeec6eb31da932dc2e86f413, < 2e0812eedccd0629d73c9d0b1184a5db055df1da | ≥ 46f226c93d35b936aeec6eb31da932dc2e86f413, < 44306a684cd1699b8562a54945ddc43e2abc9eab | 5.17
  • linux_kernel≥ 5.17, < 6.1.146 | ≥ 6.2, < 6.6.99 | ≥ 6.7, < 6.12.39 | ≥ 6.13, < 6.15.7 | 6.16:rc1 | 6.16:rc2 | 6.16:rc3 | 6.16:rc4 | 6.16:rc5

3 vendors · 125 products

References

32 links
Show all 32 references