Function Call with Incorrectly Specified Arguments in Linux kernel - CVE-2026-100078

 

Function Call with Incorrectly Specified Arguments in Linux kernel - CVE-2026-100078

Published: October 4, 2026


Vulnerability identifier: #VU153233
CSH Severity: Low
CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-100078
CWE-ID: CWE-628
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 an incorrect function argument in the iwlwifi MEI cyclic buffer handling code when sending SAP message payloads. A local user can trigger the vulnerable code path to cause a denial of service.


Affected software

Linux kernel
Debian Linux
linux (Debian package)

How to mitigate CVE-2026-100078

Install security update from vendor's repository.

Linux kernel - update to 7.0 rc3
linux (Debian package) - update to 6.12.111-1

External References

Related Security Bulletins