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CVE record · CVE-2026-97964

ppp_synctty: ensure a writeable skb header

No CVSS scoreEPSS 0.0017 · 6th percentile

Published by the CVE Program (CNA: Linux) at 25 Sept 2026, 10:23 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 4cf476ced45d7f12df30a68e833b263e7a2202d1 to before 25e03eeead2c49748c7582dfb64c205f93a42d00 git
  • affected 4cf476ced45d7f12df30a68e833b263e7a2202d1 to before a256f9925288ef47de8febed5c38d5cc21340211 git
  • affected 4cf476ced45d7f12df30a68e833b263e7a2202d1 to before 7953946f68262a8bb137aa101249adef6e029652 git
  • affected 4cf476ced45d7f12df30a68e833b263e7a2202d1 to before 3af7797fbabc84992e0ca5ad2bc0ca8537d053ef git
  • affected 4cf476ced45d7f12df30a68e833b263e7a2202d1 to before 0996c3e6bcc6ae08cb371ed43648c9f7f748ae6e git
  • affected 4cf476ced45d7f12df30a68e833b263e7a2202d1 to before 15d0a6c9a42df2d745c37510dba828f6dbe60d9f git
  • affected 4cf476ced45d7f12df30a68e833b263e7a2202d1 to before 8aaeb56aff2a557a88f83ae866da2c91ad247e59 git
Other versions: unaffected
Linux Linux
  • affected 5.11
  • unaffected before 5.11 semver
  • unaffected 5.15.222 to 5.15.*, inclusive semver
  • unaffected 6.1.189 to 6.1.*, inclusive semver
  • unaffected 6.6.158 to 6.6.*, inclusive semver
  • unaffected 6.12.111 to 6.12.*, inclusive semver
  • unaffected 6.18.53 to 6.18.*, inclusive semver
  • unaffected 7.2.7 to 7.2.*, inclusive semver
  • unaffected 7.3 to *, inclusive original_commit_for_fix
Other versions: affected
Identifiers
CVE-2026-97964
CNA
Linux
Tags
Published
25 Sept 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

No source has published a CVSS score for this record yet.

  • CISA KEV Not listed.
  • EPSS 0.0017, the 6th percentile, on 11 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 25 Sept 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.