CVE record · CVE-2026-99122

vsock/vmci: validate packet source for connected sockets

CVSS 7.3 HighEPSS 0.0012 · 1st percentile

Published by the CVE Program (CNA: Linux) at 28 Oct 2026, 10:34 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
Vendor	Product	Versions
Linux	Linux	affected d021c344051af91f42c5ba9fdedc176740cbd238 to before c027f8b429dbb2157fc1b503df196e272d947c89 git affected d021c344051af91f42c5ba9fdedc176740cbd238 to before 90c423b62ec9be08177f74b07a47937ca8d2035b git affected d021c344051af91f42c5ba9fdedc176740cbd238 to before ad9a7da3fa39c2d616ec0dd3cf6e30531d032fe7 git Other versions: unaffected
Linux	Linux	affected 3.9 unaffected before 3.9 semver unaffected 6.18.59 to 6.18., inclusive semver unaffected 7.2.13 to 7.2., inclusive semver unaffected 7.3 to *, inclusive original_commit_for_fix Other versions: affected

Identifiers: CVE-2026-99122
CNA: Linux
Tags: Linux kernel
Published: 28 Oct 2026
Updated: 31 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

Score	Rating	CVSS	Vector	Source
7.3	High	3.1	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:H	CNA (Linux)

CISA KEV Not listed.
EPSS 0.0012, the 1st percentile, on 6 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

28 Oct 2026, 10:34 UTC Confirmed by the CVE List

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.