CVE-2026-100078 wifi: iwlwifi: mei: pass correct argument to function

What is CVE-2026-100078?

CVE-2026-100078 is a medium-severity vulnerability in Linux kernel, published on 25 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In the Linux kernel, the following vulnerability has been resolved:

wifi: iwlwifi: mei: pass correct argument to function

The first argument to iwl_mei_write_cyclic_buf() should be the cldev but the q_head pointer is passed instead. Fix it.

Which versions are affected by CVE-2026-100078?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2026-100078?

Apply the vendor's patch.

Is CVE-2026-100078 being exploited?

There is no known exploitation of CVE-2026-100078 in the wild and no public exploit code.

Other vulnerabilities in Linux kernel

• CVE-2026-53266 Linux Kernel Out-of-Bounds Write Exploited High 8.8
• CVE-2013-6282 Linux Kernel Improper Input Validation Exploited High 8.8
• CVE-2022-0185 Linux Kernel Heap-Based Buffer Overflow Exploited High 8.4
• CVE-2013-2094 Linux Kernel Privilege Escalation Exploited High 8.4
• CVE-2026-53362 Linux Kernel Unspecified Exploited High 7.8

All Linux kernel vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as BELL-CVE-2026-100078, DEBIAN-CVE-2026-100078, GHSA-58mw-q3p9-j453, UBUNTU-CVE-2026-100078.