Missing Release of Resource after Effective Lifetime in Linux kernel - CVE-2026-80940
Published: September 13, 2026
Vulnerability identifier: #VU149457
CSH Severity: Low
CVSS v4: 2 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-80940
CWE-ID: CWE-772
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to cause a resource leak.
The vulnerability exists due to improper resource cleanup in rtw_pci_probe() when NAPI setup fails during PCI device probing. A local user can trigger a NAPI setup failure during PCI device probing to cause a resource leak.
Affected software
Linux kernel
How to mitigate CVE-2026-80940
Install security update from vendor's repository.