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CVE record · CVE-2026-99030

net: skbuff: don't leave stale bytes in skb_copy_and_csum_bits()

CVSS 7.5 HighEPSS 0.0046 · 39th percentile

Published by the CVE Program (CNA: Linux) at 23 Oct 2026, 12:21 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 65249feb6b3df9e17bab5911ee56fa7b0971e231 to before 5f19b9cfff79508e8cb09be40d014cb0807f3854 git
  • affected 65249feb6b3df9e17bab5911ee56fa7b0971e231 to before 5551399751e2c9f31e4f3428040985a07e79d9c2 git
  • affected 65249feb6b3df9e17bab5911ee56fa7b0971e231 to before 39d1a6b601831237c6038b5e3ac8dbb883c1700a git
  • affected 65249feb6b3df9e17bab5911ee56fa7b0971e231 to before ab9414ed70bd783e902a85c350620dee269bcb2b git
Other versions: unaffected
Linux Linux
  • affected 6.12
  • unaffected before 6.12 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-2026-99030
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
7.5 High 3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N 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.