SB20260919123 - Out-of-bounds read in Linux kernel bluetooth driver
Published: September 19, 2026
Security Bulletin ID
SB20260919123
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Adjecent network
Highest impact
Partial DoS
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Out-of-bounds read (CVE-ID: CVE-2026-90089)
CWE-ID: CWE-125 - Out-of-bounds read
CVSSv4: 5.3 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to an out-of-bounds read in nxp_process_fw_dump() when processing truncated firmware dump chunks. A remote attacker can send a truncated firmware dump frame with connection handle 0xfff to cause a denial of service.
Remediation
Install update from vendor's website.