CVE-2025-38363: debian debian_linux NULL Pointer Dereference
Vulnerability summary
CVE-2025-38363 is a medium (CVSS 5.5) NULL Pointer Dereference vulnerability in debian debian_linux. EPSS estimates a 0.19% chance of exploitation in the next 30 days, higher than 7.8% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 52 · Related 47Timeline
- 25-07-2025PublishedVulnerability first disclosed.
- 11-05-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: drm/tegra: Fix a possible null pointer dereference In tegra_crtc_reset(), new memory is allocated with kzalloc(), but no check is performed. Before calling __drm_atomic_helper_crtc_reset, state should be checked to prevent possible null pointer dereference.
CVSS metrics
3 scores · 3 sources · 1 version- 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
0.19%
Chance of exploitation in the next 30 days
Percentile
8%
Versus all other CVEs
30-day change
+0.02 pp
From 0.17% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Ubuntu142 products
- linuxAll versions (No fix recorded) | < 5.15.0-156.166 | < 6.8.0-100.100
- linux-allwinner-5.19All versions (No fix recorded)
- linux-awsAll versions (No fix recorded) | < 5.15.0-1092.99 | < 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 | < 6.12.37-1
- debian_linuxEOL11.0
Linux2 products
- linux≥ b7e0b04ae450a0f2f73c376c3057fb05d798e33c, < ab390ab81241cf8bf37c0a0ac2e9c6606bf3e991 | ≥ b7e0b04ae450a0f2f73c376c3057fb05d798e33c, < c7fc459ae6f988e0d5045a270bd600ab08bc61f1 | ≥ b7e0b04ae450a0f2f73c376c3057fb05d798e33c, < 99a25fc7933b88d5e16668bf6ba2d098e1754406 | ≥ b7e0b04ae450a0f2f73c376c3057fb05d798e33c, < 5ff3636bcc32e1cb747f6f820bcf2bb6990a7d41 | ≥ b7e0b04ae450a0f2f73c376c3057fb05d798e33c, < 31ac2c680a8ac11dc54a5b339a07e138bcedd924 | ≥ b7e0b04ae450a0f2f73c376c3057fb05d798e33c, < ac4ca634f0c9f227538711d725339293f7047b02 | ≥ b7e0b04ae450a0f2f73c376c3057fb05d798e33c, < 780351a5f61416ed2ba1199cc57e4a076fca644d | 5.3
- linux_kernel≥ 5.3, < 5.10.240 | ≥ 5.11, < 5.15.187 | ≥ 5.16, < 6.1.143 | ≥ 6.2, < 6.6.96 | ≥ 6.7, < 6.12.36 | ≥ 6.13, < 6.15.5
3 vendors · 146 products
References
45 links- lists.debian.org/debian-lts-announce/2025/10/msg00008.htmlThird Party Advisory
- lists.debian.org/debian-lts-announce/2025/10/msg00007.htmlThird Party Advisory