CVE-2026-100078

wifi: iwlwifi: mei: pass correct argument to function

CVE-2026-100078 is fixed in 12 products on 1 platform, first by DEBIAN-CVE-2026-100078, released September 25, 2026. It is not reported as exploited. Patch Radar priority: High.

High

CVSS

7.8

Important

Exploitation

None reported

No vendor assessment

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.0012

1st percentile

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.

Where it's fixed

Product	Fixed in	Fix	Released
Linux
kernel-64kb · sles 15.7	6.4.0-150700.53.90.1	SUSE-SU-2026:5091-1	Nov 7, 2026
kernel-azure · sles 15.7	6.4.0-150700.53.90.1	SUSE-SU-2026:5091-1	Nov 7, 2026
kernel-default · sles 15.7	6.4.0-150700.53.90.1	SUSE-SU-2026:5091-1	Nov 7, 2026
kernel-default-base · sles 15.7	6.4.0-150700.53.90.1.150700.17.51.1	SUSE-SU-2026:5091-1	Nov 7, 2026
kernel-docs · sles 15.7	6.4.0-150700.53.90.1	SUSE-SU-2026:5091-1	Nov 7, 2026
kernel-livepatch-SLE15-SP7_Update_24 · sles 15.7	1-150700.15.3.1	SUSE-SU-2026:5091-1	Nov 7, 2026
kernel-obs-build · sles 15.7	6.4.0-150700.53.90.1	SUSE-SU-2026:5091-1	Nov 7, 2026
kernel-source · sles 15.7	6.4.0-150700.53.90.1	SUSE-SU-2026:5091-1	Nov 7, 2026
kernel-syms · sles 15.7	6.4.0-150700.53.90.1	SUSE-SU-2026:5091-1	Nov 7, 2026
kernel-zfcpdump · sles 15.7	6.4.0-150700.53.90.1	SUSE-SU-2026:5091-1	Nov 7, 2026
linux · Debian 12.15 (bookworm)	6.1.190-1	DEBIAN-CVE-2026-100078	Sep 25, 2026
linux · Debian 13.5 (trixie)	6.12.111-1	DEBIAN-CVE-2026-100078	Sep 25, 2026
linux · Debian 14	7.2.6-1	DEBIAN-CVE-2026-100078	Sep 25, 2026
linux-6.12 · Debian 12.15 (bookworm)	6.12.111-1~deb12u1	DEBIAN-CVE-2026-100078	Sep 25, 2026

Details

Published
September 25, 2026
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Vendor advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-100078

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