Unchecked Return Value in Linux kernel - CVE-2026-97572

 

Unchecked Return Value in Linux kernel - CVE-2026-97572

Published: September 28, 2026


Vulnerability identifier: #VU152644
CSH Severity: Low
CVSS v4: 0 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-97572
CWE-ID: CWE-252
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to cause a zeroed DMA address to be handed out.

The vulnerability exists due to an unchecked return value in bnxt_init_nic() when initializing RX rings after an allocation failure. A local user can trigger NIC initialization after RX ring allocation fails to cause a zeroed DMA address to be handed out.


Affected software

Linux kernel

How to mitigate CVE-2026-97572

Install security update from vendor's repository.

Linux kernel - update to 7.0 rc3

External References

Related Security Bulletins