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.
CVSS score
5.5/10
010
Medium · v3.1 (NVD)EPSS score
0.15%
0%100%
Low · +0.01 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 39 · Related 38DLA-4328-1OPENSUSE-SU-2026:20287-1SUSE-SU-2025:03272-1SUSE-SU-2025:03290-1SUSE-SU-2025:03301-1SUSE-SU-2025:03382-1SUSE-SU-2025:03602-1SUSE-SU-2025:03633-1SUSE-SU-2025:03634-1SUSE-SU-2025:20653-1SUSE-SU-2025:20669-1SUSE-SU-2025:20739-1SUSE-SU-2025:20756-1SUSE-SU-2026:20555-1SUSE-SU-2026:20570-1SUSE-SU-2026:20599-1SUSE-SU-2026:20615-1USN-7879-1USN-7879-2USN-7879-3USN-7879-4USN-7880-1USN-7934-1USN-8028-1USN-8028-2USN-8028-3USN-8028-4USN-8028-5USN-8028-6USN-8028-7USN-8028-8USN-8031-1USN-8031-2USN-8031-3USN-8052-1USN-8052-2USN-8074-1USN-8074-2USN-8126-1
Timeline
- 16-08-2025PublishedVulnerability first disclosed.
- 11-05-2026Last 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 versionMedium 5.5Preferred score · NVD (NIST)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
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 score0.15%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected 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