5.5

CVE-2026-43143: linux

CVSS: 5.5v3.1MediumAnalyzed
AliasesUBUNTU-CVE-2026-43143DEBIAN-CVE-2026-43143
Published 06-05-2026Last modified 11-05-2026

Vulnerability summary

CVE-2026-43143 is a medium (CVSS 5.5) vulnerability in linux. EPSS estimates a 0.16% chance of exploitation in the next 30 days, higher than 5% 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
0.16%
0%100%
Low · +0.03 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 24 · Related 24

Timeline

  1. 06-05-2026
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: mfd: core: Add locking around 'mfd_of_node_list' Manipulating a list in the kernel isn't safe without some sort of mutual exclusion. Add a mutex any time we access / modify 'mfd_of_node_list' to prevent possible crashes.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.16%

Chance of exploitation in the next 30 days

Percentile

5%

Versus all other CVEs

30-day change

+0.03 pp

From 0.13% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.16%

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

No weakness data has been published for this record.

Affected systems

Ubuntu145 products
  • linuxAll versions (No fix recorded) | < 6.8.0-134.134
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 6.8.0-1060.63
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ 466a62d7642f02f36d37d9b30c19a725538a01ca, < dcfa679bba02412f2087be21cf06ae88b1f4e0ef | ≥ 466a62d7642f02f36d37d9b30c19a725538a01ca, < e2e7c275f557e2b75e3128f4818063798248774c | ≥ 466a62d7642f02f36d37d9b30c19a725538a01ca, < db131ef9d8980cf60dcac8cf94c036eccf75e5d0 | ≥ 466a62d7642f02f36d37d9b30c19a725538a01ca, < 9b02e3fec3a7fcb990b4d3bd3b13d7edf123dca6 | ≥ 466a62d7642f02f36d37d9b30c19a725538a01ca, < 45341856ecda1d56689451abd5cf1d1aa57dbe47 | ≥ 466a62d7642f02f36d37d9b30c19a725538a01ca, < 20117c92bcf9c11afd64d7481d8f94fdf410726e | 5.9
  • linux_kernel≥ 5.9, < 6.1.165 | ≥ 6.2, < 6.6.128 | ≥ 6.7, < 6.12.75 | ≥ 6.13, < 6.18.16 | ≥ 6.19, < 6.19.6
Debian1 product
  • linux< 6.1.170-1 | < 6.12.85-1 | < 6.19.6-1

3 vendors · 148 products

References

22 links
Show all 22 references