Use-after-free in Linux kernel - CVE-2026-90380
Published: September 18, 2026
Vulnerability identifier: #VU151092
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-2026-90380
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to trigger an invalid memory access.
The vulnerability exists due to a use-after-free in mt76_rx_poll_complete when receive processing races with station removal. A remote attacker can trigger the race condition to trigger an invalid memory access.
Affected software
Linux kernel
How to mitigate CVE-2026-90380
Install security update from vendor's repository.