Improper control of a resource through its lifetime in Linux kernel - CVE-2026-97434
Published: September 25, 2026
Vulnerability identifier: #VU152035
CSH Severity: Low
CVSS v4: 4.6 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-97434
CWE-ID: CWE-664
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local privileged user to cause active NAPI instances to be deleted.
The vulnerability exists due to improper resource lifecycle management in the dpaa2-switch device removal path when removing a DPSW device. A local privileged user can trigger the device removal path to cause active NAPI instances to be deleted.
All NAPI instances are attached to the first switch port's net_device but are shared by all switch ports.
Affected software
Linux kernel
How to mitigate CVE-2026-97434
Install security update from vendor's repository.
Linux kernel - update to 7.0 rc3