5.5

CVE-2026-43014: net: macb: properly unregister fixed rate clocks

Analyzed
AliasesUBUNTU-CVE-2026-43014DEBIAN-CVE-2026-43014
Published 01-05-2026Last modified 11-05-2026

Vulnerability summary

CVE-2026-43014 is a medium (CVSS 5.5) vulnerability in linux. EPSS estimates a 0.12% chance of exploitation in the next 30 days, higher than 2% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
5.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.12%
0%100%
Low · -0.04 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 36 · Related 34
MGASA-2026-0108MGASA-2026-0110OPENSUSE-SU-2026:21388-1SUSE-SU-2026:22742-1SUSE-SU-2026:22769-1SUSE-SU-2026:22812-1

Timeline

  1. 01-05-2026
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: net: macb: properly unregister fixed rate clocks The additional resources allocated with clk_register_fixed_rate() need to be released with clk_unregister_fixed_rate(), otherwise they are lost.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.12%

Chance of exploitation in the next 30 days

Percentile

2%

Versus all other CVEs

30-day change

Decrease -0.04 pp

From 0.16% 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: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu156 products
  • linuxAll versions (No fix recorded) | < 5.15.0-186.196 | < 6.8.0-136.136
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 5.15.0-1112.119 | < 6.8.0-1061.64
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ 83a77e9ec4150ee4acc635638f7dedd9da523a26, < 54c6f0e7682433abed0304ac2f5cb71a92d4b366 | ≥ 83a77e9ec4150ee4acc635638f7dedd9da523a26, < 015aa24d3721a05b40935b8af78b49cadf616b8d | ≥ 83a77e9ec4150ee4acc635638f7dedd9da523a26, < ec1be2ce0d94506f11b22066fd6dc5eb4341b14f | ≥ 83a77e9ec4150ee4acc635638f7dedd9da523a26, < e1f6f47d6e60d51c3294e5b85787e9aee24c450e | ≥ 83a77e9ec4150ee4acc635638f7dedd9da523a26, < e35dbfdb1b7710f04ff5c9972ea04971d823a22d | ≥ 83a77e9ec4150ee4acc635638f7dedd9da523a26, < 5392a5174df4f5a2fad2f00e8c617394d0efe031 | ≥ 83a77e9ec4150ee4acc635638f7dedd9da523a26, < 6ec567425c057fd850651ee09b31d059ef960e0f | ≥ 83a77e9ec4150ee4acc635638f7dedd9da523a26, < f0f367a4f459cc8118aadc43c6bba53c60d93f8d | 4.10
  • linux_kernel≥ 4.10, < 5.10.253 | ≥ 5.11, < 5.15.203 | ≥ 5.16, < 6.1.168 | ≥ 6.2, < 6.6.134 | ≥ 6.7, < 6.12.81 | ≥ 6.13, < 6.18.22 | ≥ 6.19, < 6.19.12 | 7.0:rc1 | 7.0:rc2 | 7.0:rc3 | 7.0:rc4 | 7.0:rc5 | 7.0:rc6
Debian1 product
  • linux< 6.1.170-1 | < 6.12.85-1 | < 6.19.12-1

3 vendors · 159 products

References

39 links
Show all 39 references