CVE-2025-40015: media: stm32-csi: Fix dereference before NULL check

Deferred
AliasesUBUNTU-CVE-2025-40015DEBIAN-CVE-2025-40015
Published 20-10-2025Last modified 11-05-2026

Vulnerability summary

CVE-2025-40015 is a vulnerability in linux with no CVSS score yet. EPSS estimates a 0.24% chance of exploitation in the next 30 days, higher than 14.5% of scored vulnerabilities.

Priority
Insufficient evidence

No CVSS vector published; no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
Not scored
010
No CVSS score recorded
EPSS score
0.24%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 2 · Related 2
OPENSUSE-SU-2025:15671-1OPENSUSE-SU-2026:10301-1

Timeline

  1. 20-10-2025
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: media: stm32-csi: Fix dereference before NULL check In 'stm32_csi_start', 'csidev->s_subdev' is dereferenced directly while assigning a value to the 'src_pad'. However the same value is being checked against NULL at a later point of time indicating that there are chances that the value can be NULL. Move the dereference after the NULL check.

CVSS metrics

Risk metrics not yet published.

EPSS trend

Probability

0.24%

Chance of exploitation in the next 30 days

Percentile

15%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.24% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Version check

Known conditions: not stated in public data.

Ubuntu87 products
  • linux< 6.17.0-6.6
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-aws< 6.17.0-1003.3
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Debian1 product
  • linux< 6.16.11-1
Linux1 product
  • linux≥ e7bad98c205d17c745de9d83ebf73e53cbf99d48, < 1f053d82e59c785b2b939cbed12f13657f84b296 | ≥ e7bad98c205d17c745de9d83ebf73e53cbf99d48, < 4eeafff163e80d576c5efc1360ae310c0ceedd02 | ≥ e7bad98c205d17c745de9d83ebf73e53cbf99d48, < 80eaf32672871bd2623ce6ba13ffc1f018756580 | 6.15

3 vendors · 89 products

References

7 links