Unchecked Return Value in Linux kernel - CVE-2026-97573
Published: September 28, 2026
Vulnerability identifier: #VU152626
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-2026-97573
CWE-ID: CWE-252
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to cause a loss of confidentiality, integrity, and availability.
The vulnerability exists due to unchecked return value in bnxt_rx_ring_reset() when resetting receive ring buffers after a buffer allocation failure. A remote attacker can trigger the vulnerable receive-ring reset to cause a loss of confidentiality, integrity, and availability.
Affected software
Linux kernel
How to mitigate CVE-2026-97573
Install security update from vendor's repository.
Linux kernel - update to 7.0 rc3