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CVE record · CVE-2026-43009

bpf: Fix incorrect pruning due to atomic fetch precision tracking

CVSS 7.8 HighEPSS 0.0016 · 5th percentile

Published by the CVE Program (CNA: Linux) at 1 May 2026, 14:15 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
VendorProductVersions
Linux Linux
  • affected 5ca419f2864a2c60940dcf4bbaeb69546200e36f to before 06999c8a2c52b13977771ab093b8e179821b532d git
  • affected 5ca419f2864a2c60940dcf4bbaeb69546200e36f to before 1aac6b271e0a80b91c2f6a8f75ab0c0b1fc8ffe8 git
  • affected 5ca419f2864a2c60940dcf4bbaeb69546200e36f to before 7c72e5f3741d1c5cc53439137162f0e09254e6e9 git
  • affected 5ca419f2864a2c60940dcf4bbaeb69546200e36f to before ea150ffa9fc9f78c5cf22e1f7b06b6d016b1017c git
  • affected 5ca419f2864a2c60940dcf4bbaeb69546200e36f to before 7ffbe45b1d227e24659998a91cfd4c27af457e71 git
  • affected 5ca419f2864a2c60940dcf4bbaeb69546200e36f to before 179ee84a89114b854ac2dd1d293633a7f6c8dac1 git
Other versions: unaffected
Linux Linux
  • affected 5.12
  • unaffected before 5.12 semver
  • unaffected 6.1.191 to 6.1.*, inclusive semver
  • unaffected 6.6.160 to 6.6.*, inclusive semver
  • unaffected 6.12.114 to 6.12.*, inclusive semver
  • unaffected 6.18.50 to 6.18.*, inclusive semver
  • unaffected 6.19.12 to 6.19.*, inclusive semver
  • unaffected 7.0 to *, inclusive original_commit_for_fix
Other versions: affected
Identifiers
CVE-2026-43009
CNA
Linux
Weakness (CWE)
CWE-682
Tags
Published
1 May 2026
Updated
30 Oct 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

ScoreRatingCVSSVectorSource
7.8 High 3.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CNA (Linux)
  • CISA KEV Not listed.
  • EPSS 0.0016, the 5th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 1 May 2026. New records show when each source confirmed them.

Sources

References from the CNA

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.