Incorrect calculation in Linux kernel - CVE-2026-90375

 

Incorrect calculation in Linux kernel - CVE-2026-90375

Published: September 18, 2026


Vulnerability identifier: #VU151116
CSH Severity: Low
CVSS v4: 5.1 [CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-90375
CWE-ID: CWE-682
Exploitation vector: Adjecent network
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote user to cause a denial of service.

The vulnerability exists due to incorrect non-AQL packet accounting in __mt76_tx_queue_skb() when transmitting frames through a non-setup multi-link operation link. A remote user can transmit a frame using a link different from the station's setup link to cause a denial of service.


Affected software

Linux kernel

How to mitigate CVE-2026-90375

Install security update from vendor's repository.


External References

Related Security Bulletins