CVE record · CVE-2026-90256

Bluetooth: L2CAP: use proto_lock for l2cap_data to fix l2cap_disconn_ind

CVSS 8.8 HighEPSS 0.0032 · 25th percentile

Published by the CVE Program (CNA: Linux) at 17 Sept 2026, 16:07 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 efc30877bd4bc85fefe98d80af60fafc86e5775e to before 0fa448369c87e20b2aeaeaca0187d698dd61f791 git affected f87271d21dd4ee83857ca11b94e7b4952749bbae to before 7c032b6d48a46634cbd58aaebad2638c00ad3b51 git affected ab4eedb790cae44313759b50fe47da285e2519d5 to before b495a3a9b33bc4e4613e685bf5c96c136caa22d8 git affected ab4eedb790cae44313759b50fe47da285e2519d5 to before 2b66c83ff1751d6bd3201b3017206262ab46dc05 git affected 18ab6b6078fa8191ca30a3065d57bf35d5635761 git affected 6.6.84 to before 6.6.160 semver affected 6.12.20 to before 6.12.114 semver affected 6.13.8 to before 6.14 semver Other versions: unaffected
Linux	Linux	affected 6.14 unaffected before 6.14 semver unaffected 6.6.160 to 6.6., inclusive semver unaffected 6.12.114 to 6.12., inclusive semver unaffected 7.2.6 to 7.2., inclusive semver unaffected 7.3 to , inclusive original_commit_for_fix Other versions: affected

Identifiers: CVE-2026-90256
CNA: Linux
Tags: Linux kernel
Published: 17 Sept 2026
Updated: 21 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
8.8	High	3.1	CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	CNA (Linux)

CISA KEV Not listed.
EPSS 0.0032, the 25th percentile, on 13 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 17 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.