SB20260928226 - Out-of-bounds read in Linux kernel bluetooth driver
Published: September 28, 2026 Updated: September 30, 2026
Security Bulletin ID
SB20260928226
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-2026-97976)
CWE-ID: CWE-125 - Out-of-bounds read
CVSSv4: 1.8 [CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a local privileged user to perform an out-of-bounds read.
The vulnerability exists due to improper bounds checking in btintel_pcie_submit_rx_work() when processing RX packets with a packet_len value from rfh_hdr. A local privileged user can provide an oversized packet_len value to perform an out-of-bounds read.
Remediation
Install update from vendor's website.