SB20260928371 - Out-of-bounds write in Linux kernel broadcom bnxt driver
Published: September 28, 2026 Updated: September 30, 2026
Security Bulletin ID
SB20260928371
CSH Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Out-of-bounds write (CVE-ID: CVE-2026-97570)
CWE-ID: CWE-787 - Out-of-bounds write
CVSSv4: 9.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/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 write in the bnxt_en driver's TPA receive-processing logic when processing firmware TPA IDs. A remote attacker can trigger an out-of-bounds access to the rx_tpa array to cause a denial of service.
Remediation
Install update from vendor's website.