CVE record · CVE-2026-63970

vsock/virtio: bind uarg before filling zerocopy skb

CVSS 7.8 HighEPSS 0.0018 · 7th percentile

Published by the CVE Program (CNA: Linux) at 19 Jul 2026, 14:55 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 581512a6dc939ef122e49336626ae159f3b8a345 to before 72194f65050958e4c8e069adb6c5d89ef81ca197 git affected 581512a6dc939ef122e49336626ae159f3b8a345 to before b62e2b2b4a50953ca952f3cd3f77dd62dc50fd5d git affected 581512a6dc939ef122e49336626ae159f3b8a345 to before 5d317573f1d48e76cce5fb6250452b6e4102e0fb git affected 581512a6dc939ef122e49336626ae159f3b8a345 to before 1e584c304cfb94a759417130b1fc6d30b30c4cce git Other versions: unaffected
Linux	Linux	affected 6.7 unaffected before 6.7 semver unaffected 6.12.97 to 6.12., inclusive semver unaffected 6.18.35 to 6.18., inclusive semver unaffected 7.0.12 to 7.0., inclusive semver unaffected 7.1 to , inclusive original_commit_for_fix Other versions: affected

Identifiers: CVE-2026-63970
CNA: Linux
Weakness (CWE): CWE-401
Tags: Linux kernel
Denial of service
Published: 19 Jul 2026
Updated: 19 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
7.8	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 0.0018, the 7th percentile, on 15 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 19 Jul 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.