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CVE-2026-100078

Linux: wifi: iwlwifi: mei: pass correct argument to function

Linux LinuxOperating systems
Open in ThreatlineRecord JSON
CVSS
NoneNot scored
ExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.11%Chance of exploitation activity in the next 30 days, higher than 1% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed in034445e19f12bb8771c58e2ecf1fbd6eac9b5facAlso 6b7d5abf3e374ca3af31ceb6b9b2efc7a48afde3, 082b353c05b8eaf07e03fc1918c176cd3c216e25 and 1 moreCVE List
Published25 Sep 2026Updated 19 Oct 2026CVE List

What fixes it

  • 034445e19f12bb8771c58e2ecf1fbd6eac9b5facLinuxCVE List
  • 6b7d5abf3e374ca3af31ceb6b9b2efc7a48afde3LinuxCVE List
  • 082b353c05b8eaf07e03fc1918c176cd3c216e25LinuxCVE List
  • 905f57aefde4f4092a411c8a55856182fb1c7598LinuxCVE List

A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.

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.

Text from CVE List

Affected versions 14

  • Linuxaffected: 652291601459272d52b6ba12811f0b60b3e6444f before 034445e19f12bb8771c58e2ecf1fbd6eac9b5facCVE List
  • Linuxaffected: 652291601459272d52b6ba12811f0b60b3e6444f before f22ad9d1077c83718d9e6c84b71726287c1d1ad3CVE List
  • Linuxaffected: 652291601459272d52b6ba12811f0b60b3e6444f before ee91ae7f5815345612d8c0afd5d7efed361bcdb5CVE List
  • Linuxaffected: 652291601459272d52b6ba12811f0b60b3e6444f before 6b7d5abf3e374ca3af31ceb6b9b2efc7a48afde3CVE List
  • Linuxaffected: 652291601459272d52b6ba12811f0b60b3e6444f before 082b353c05b8eaf07e03fc1918c176cd3c216e25CVE List
  • Linuxaffected: 652291601459272d52b6ba12811f0b60b3e6444f before 905f57aefde4f4092a411c8a55856182fb1c7598CVE List
  • Linuxaffected: 5.17CVE List
  • Linuxunaffected: all versions before 5.17CVE List
  • Linuxunaffected: 6.1.188 through 6.1.*CVE List
  • Linuxunaffected: 6.6.157 through 6.6.*CVE List
  • Linuxunaffected: 6.12.110 through 6.12.*CVE List
  • Linuxunaffected: 6.18.52 through 6.18.*CVE List
  • Linuxunaffected: 7.2.6 through 7.2.*CVE List
  • Linuxunaffected: 7.3CVE List

References 6