Memory leak in Linux kernel - CVE-2026-80941
Published: September 13, 2026
Vulnerability identifier: #VU149451
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-2026-80941
CWE-ID: CWE-401
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to failure to free memory in rtw_txq_push_skb() when handling a failed HCI transmission. A local user can trigger the transmission path during an HCI write failure to cause a denial of service.
Affected software
Linux kernel
How to mitigate CVE-2026-80941
Install security update from vendor's repository.
Linux kernel - update to 7.0 rc3