5.5

CVE-2025-38143: debian debian_linux NULL Pointer Dereference

CVSS: 5.5v3.1MediumAnalyzed
AliasesUBUNTU-CVE-2025-38143DEBIAN-CVE-2025-38143
Published 03-07-2025Last modified 11-05-2026

Vulnerability summary

CVE-2025-38143 is a medium (CVSS 5.5) NULL Pointer Dereference vulnerability in debian debian_linux. EPSS estimates a 0.20% chance of exploitation in the next 30 days, higher than 9.4% 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
0.20%
0%100%
Low · +0.02 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 53 · Related 48

Timeline

  1. 03-07-2025
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: backlight: pm8941: Add NULL check in wled_configure() devm_kasprintf() returns NULL when memory allocation fails. Currently, wled_configure() does not check for this case, which results in a NULL pointer dereference. Add NULL check after devm_kasprintf() to prevent this issue.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.20%

Chance of exploitation in the next 30 days

Percentile

9%

Versus all other CVEs

30-day change

+0.02 pp

From 0.18% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.20%

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

Ubuntu141 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
Linux2 products
  • linux≥ f86b77583d88c8402e8d89a339d96f847318f8a8, < 6a56446595730a5e3f06a30902e23cb037d28146 | ≥ f86b77583d88c8402e8d89a339d96f847318f8a8, < 9d06ac32c202142da40904180f2669ed4f5073ac | ≥ f86b77583d88c8402e8d89a339d96f847318f8a8, < 21528806560510458378ea52c37e35b0773afaea | ≥ f86b77583d88c8402e8d89a339d96f847318f8a8, < fde314445332015273c8f51d2659885c606fe135 | ≥ f86b77583d88c8402e8d89a339d96f847318f8a8, < 1be2000b703b02e149f8f2061054489f6c18c972 | ≥ f86b77583d88c8402e8d89a339d96f847318f8a8, < 4a715be3fe80b68fa55cb3569af3d294be101626 | ≥ f86b77583d88c8402e8d89a339d96f847318f8a8, < e12d3e1624a02706cdd3628bbf5668827214fa33 | 5.0
  • linux_kernel≥ 5.0, < 5.10.239 | ≥ 5.11, < 5.15.186 | ≥ 5.16, < 6.1.142 | ≥ 6.2, < 6.6.94 | ≥ 6.7, < 6.12.34 | ≥ 6.13, < 6.15.3

3 vendors · 145 products

References

46 links
Show all 46 references