Out-of-bounds write in Linux kernel - CVE-2026-97570
Published: September 28, 2026
Vulnerability identifier: #VU152642
CSH Severity: High
CVSS v4: 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]
CVE-ID: CVE-2026-97570
CWE-ID: CWE-787
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
Linux kernel
How to mitigate CVE-2026-97570
Install security update from vendor's repository.
Linux kernel - update to 7.0 rc3