SB2026100777 - Out-of-bounds read in Linux kernel bluetooth driver
Published: October 7, 2026
Security Bulletin ID
SB2026100777
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Out-of-bounds read (CVE-ID: CVE-2026-98292)
CWE-ID: CWE-125 - Out-of-bounds read
CVSSv4: 0 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a local user to trigger reads beyond the end of a received socket buffer.
The vulnerability exists due to missing event-length validation in the Bluetooth btmtksdio and btmtkuart drivers when processing firmware-supplied WMT events. A local user can supply short or malformed WMT events to trigger reads beyond the end of a received socket buffer.
Remediation
Install update from vendor's website.