CVE-2025-38092: linux NULL Pointer Dereference
CVSS: 8.8v3.1HighModified
AliasesUBUNTU-CVE-2025-38092DEBIAN-CVE-2025-38092
Published 02-07-2025Last modified 05-08-2026
Vulnerability summary
CVE-2025-38092 is a high (CVSS 8.8) NULL Pointer Dereference vulnerability in linux. EPSS estimates a 0.33% chance of exploitation in the next 30 days, higher than 25.3% of scored vulnerabilities.
CVSS score
8.8/10
010
High · v3.1 (CVE.org)EPSS score
0.33%
0%100%
Low · +0.04 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 7 · Related 7Timeline
- 02-07-2025PublishedVulnerability first disclosed.
- 05-08-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: ksmbd: use list_first_entry_or_null for opinfo_get_list() The list_first_entry() macro never returns NULL. If the list is empty then it returns an invalid pointer. Use list_first_entry_or_null() to check if the list is empty.
CVSS metrics
5 scores · 4 sources · 2 versionsMedium 6.0Preferred score · OSV · Ubuntu (Ecosystem advisory) · calculated from vector
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:NSourcesSingle source
High 8.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HSources4 sources · 5.5–8.8
- OSV · UbuntuEcosystem advisory · calculated8.8HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HDiffers
- NVDNIST5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HDiffers
EPSS trend
Probability
0.33%
Chance of exploitation in the next 30 days
Percentile
25%
Versus all other CVEs
30-day change
+0.04 pp
From 0.29% on 20-09-2026
20-09-202620-10-2026
EPSS score0.33%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Ubuntu93 products
- linux-allwinner-5.19All versions (No fix recorded)
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
- linux-aws-5.13All versions (No fix recorded)
- linux-aws-5.19All versions (No fix recorded)
Linux2 products
- linux≥ 296cb5457cc6f4a754c4ae29855f8a253d52bcc6, < c78abb646ff823e7d22faad4cc0703d4484da9e8 | ≥ d54ab1520d43e95f9b2e22d7a05fc9614192e5a5, < 334da674b25fdb7a1a4d4b89dcd7795144fc7e11 | ≥ d73686367ad68534257cd88a36ca3c52cb8b81d8, < cb7e06e9736d73007dc8dab7b353733bb37df86b | ≥ 18b4fac5ef17f77fed9417d22210ceafd6525fc7, < 10379171f346e6f61d30d9949500a8de4336444a | ≥ 6.6.88, < 6.6.93 | ≥ 6.12.25, < 6.12.32 | ≥ 6.14.4, < 6.14.10
- linux_kernel≥ 6.6.88, < 6.6.93 | ≥ 6.12.25, < 6.12.32 | ≥ 6.14.4, < 6.14.10 | 6.15:rc3 | 6.15:rc4 | 6.15:rc5 | 6.15:rc6 | 6.15:rc7
Debian1 product
- linux< 6.12.32-1
3 vendors · 96 products