CVE record · CVE-2025-39889

Bluetooth: l2cap: Check encryption key size on incoming connection

CVSS 8.1 HighEPSS 0.0010 · 1st percentile

Published by the CVE Program (CNA: Linux) at 24 Sept 2025, 11:02 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 4f911a538e089cce808a15dc3277250f4f8daef9 to before ed503d340a501e414114ddc614a3aae4f6e9eae2 git affected 288c06973daae4637f25a0d1bdaf65fdbf8455f9 to before 24b2cdfc16e9bd6ab3d03b8e01c590755bd3141f git affected 288c06973daae4637f25a0d1bdaf65fdbf8455f9 to before c6d527bbd3d3896375079f5dbc8b7f96734a3ba5 git affected 288c06973daae4637f25a0d1bdaf65fdbf8455f9 to before 9e3114958d87ea88383cbbf38c89e04b8ea1bce5 git affected 288c06973daae4637f25a0d1bdaf65fdbf8455f9 to before d49798ecd26e0ee7995a7fc1e90ca5cd9b4402d6 git affected 288c06973daae4637f25a0d1bdaf65fdbf8455f9 to before d4ca2fd218caafbf50e3343ba1260c6a23b5676a git affected 288c06973daae4637f25a0d1bdaf65fdbf8455f9 to before 522e9ed157e3c21b4dd623c79967f72c21e45b78 git Other versions: unaffected
Linux	Linux	affected 5.11 unaffected before 5.11 semver unaffected 5.15.181 to 5.15., inclusive semver unaffected 6.1.135 to 6.1., inclusive semver unaffected 6.6.88 to 6.6., inclusive semver unaffected 6.12.25 to 6.12., inclusive semver unaffected 6.14.4 to 6.14., inclusive semver unaffected 6.15 to , inclusive original_commit_for_fix Other versions: affected

Identifiers: CVE-2025-39889
CNA: Linux
Weakness (CWE): CWE-326
Tags: Linux kernel
Weak cryptography or TLS
Published: 24 Sept 2025
Updated: 5 Aug 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
8.1	High	3.1	CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N	CNA (Linux)Used for this record
5.5	Medium	3.1	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H	ADP (CISA-ADP)

CISA KEV Not listed.
EPSS 0.0010, the 1st percentile, on 14 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 24 Sept 2025. 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.