What’s Vulnerable › Vulnerabilities

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

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-25 · updated 2026-10-19

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.

Affected products

• Linux kernel: from 5.17 before 6.1.188; from 6.2 before 6.6.157; from 6.7 before 6.12.110; from 6.13 before 6.18.52; from 6.19 before 7.2.6 — fixed in 6.1.188, 6.12.110, 6.18.52, 6.6.157, 7.2.6

How to fix

Upgrade to a fixed version: Linux kernel 6.1.188, 6.12.110, 6.18.52, 6.6.157. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/034445e19f12bb8771c58e2ecf1fbd6eac9b5fac
• https://git.kernel.org/stable/c/082b353c05b8eaf07e03fc1918c176cd3c216e25
• https://git.kernel.org/stable/c/6b7d5abf3e374ca3af31ceb6b9b2efc7a48afde3
• https://git.kernel.org/stable/c/905f57aefde4f4092a411c8a55856182fb1c7598
• https://git.kernel.org/stable/c/ee91ae7f5815345612d8c0afd5d7efed361bcdb5
• https://git.kernel.org/stable/c/f22ad9d1077c83718d9e6c84b71726287c1d1ad3

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