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CVE record · CVE-2026-99079

net/mlx5e: Prevent stale XSK buffer release on refill retry

CVSS 9.8 CriticalCriticalEPSS 0.0046 · 39th percentile

Critical, because:

  • CVSS score 9.8: 9.0 or more.

How we decide what’s critical

Published by the CVE Program (CNA: Linux) at 23 Oct 2026, 12:23 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 3f93f82988bc6b4104314bf9aa485d47fbb7e241 to before 32bbb870078d467479965c21bbc4960c57eea208 git
  • affected 3f93f82988bc6b4104314bf9aa485d47fbb7e241 to before 34d1db2b18e1c1d189e34dd51923e031815f88e3 git
  • affected 3f93f82988bc6b4104314bf9aa485d47fbb7e241 to before 639522e5056cade578a324acfa993ec6c9f7f5dc git
  • affected 3f93f82988bc6b4104314bf9aa485d47fbb7e241 to before 655f47477054d19de3b138840be229a1a4490d0c git
  • affected 3f93f82988bc6b4104314bf9aa485d47fbb7e241 to before e01620844c5c88b6fcf819d171df8e3976a0e76f git
Other versions: unaffected
Linux Linux
  • affected 6.4
  • unaffected before 6.4 semver
  • unaffected 6.6.160 to 6.6.*, inclusive semver
  • unaffected 6.12.113 to 6.12.*, inclusive semver
  • unaffected 6.18.57 to 6.18.*, inclusive semver
  • unaffected 7.2.11 to 7.2.*, inclusive semver
  • unaffected 7.3 to *, inclusive original_commit_for_fix
Other versions: affected
Identifiers
CVE-2026-99079
CNA
Linux
Tags
Published
23 Oct 2026
Updated
24 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
9.8 Critical 3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CNA (Linux)
  • CISA KEV Not listed.
  • EPSS 0.0046, the 39th 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 23 Oct 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.