CVE-2026-105460

Bluez: bluez: stack-based out-of-bounds read in btmon via unvalidated num_keys in return_link_keys_evt()

State: Published
Severity: 5.5 Medium
Published: Oct 13, 2026
Updated: Oct 15, 2026
Reserved: Oct 5, 2026

Description

A flaw was found in BlueZ. An out-of-bounds read vulnerability exists in the btmon Bluetooth monitor tool when processing crafted HCI Return Link Keys events. A maliciously crafted btsnoop capture file can specify a large number of link keys that exceeds the actual packet data, causing btmon to read beyond the allocated buffer and crash.

Scores

CVSS	Score	Vector	Source
3.1	5.5 Medium	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H	redhat

Weaknesses

CWE-125 Out-of-bounds Read

Affected Products

Product	Versions
Red Hat Enterprise Linux 10Red Hat
Red Hat Enterprise Linux 6Red Hat
Red Hat Enterprise Linux 7Red Hat
Red Hat Enterprise Linux 8Red Hat
Red Hat Enterprise Linux 9Red Hat

References

https://access.redhat.com/security/cve/CVE-2026-105460vdb-entry
RHBZ#2545923issue-tracking
https://redhat.atlassian.net/browse/PSIRTSUPT-24932

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