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CVE record · CVE-2026-64556

perf/core: Detach event groups during remove_on_exec

CVSS 7.8 HighEPSS 0.0016 · 5th percentile

Published by the CVE Program (CNA: Linux) at 29 Jul 2026, 08:01 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 2e498d0a74e5b88a6689ae1b811f247f91ff188e to before 1d3e1102273f09180262496658e7eeed8a5a7b59 git
  • affected 2e498d0a74e5b88a6689ae1b811f247f91ff188e to before 4cdb1b3ab96eb1b7eb70bc5c82fede334bd60df2 git
  • affected 2e498d0a74e5b88a6689ae1b811f247f91ff188e to before 39358e856fb89e62e3c8d7389a2dc4ec33dbe90e git
  • affected 2e498d0a74e5b88a6689ae1b811f247f91ff188e to before a2d5d3ee7b6e3953114726b1521e62123ab5b043 git
  • affected 2e498d0a74e5b88a6689ae1b811f247f91ff188e to before 06ccef0434e98058ddae7bcebc901f93d22b7653 git
  • affected 2e498d0a74e5b88a6689ae1b811f247f91ff188e to before 037a3c43edfb597665dd34457cd22b14692f2ba3 git
Other versions: unaffected
Linux Linux
  • affected 5.13
  • unaffected before 5.13 semver
  • unaffected 6.1.191 to 6.1.*, inclusive semver
  • unaffected 6.6.145 to 6.6.*, inclusive semver
  • unaffected 6.12.96 to 6.12.*, inclusive semver
  • unaffected 6.18.39 to 6.18.*, inclusive semver
  • unaffected 7.1.4 to 7.1.*, inclusive semver
  • unaffected 7.2 to *, inclusive original_commit_for_fix
Other versions: affected
Identifiers
CVE-2026-64556
CNA
Linux
Weakness (CWE)
CWE-662
Tags
Published
29 Jul 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

  1. 29 Jul 2026, 09:16 UTC Confirmed by NVD

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.