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Vulnerability · Published Sep 25, 2026 · Assigned by Linux

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

Medium 5.5

In plain English

A medium-severity security flaw in Linux from Linux. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 2% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)0.1%top 98.5% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linux6.1.190-1DEBIAN-CVE-2026-100078
Debian:13linux6.12.111-1DEBIAN-CVE-2026-100078
Debian:14linux7.2.6-1DEBIAN-CVE-2026-100078
Debian:12linux-6.126.12.111-1~deb12u1DEBIAN-CVE-2026-100078
Ubuntu:24.04:LTSlinuxno fix listedUBUNTU-CVE-2026-100078
Ubuntu:26.04:LTSlinux7.0.0-42.42UBUNTU-CVE-2026-100078
Ubuntu:26.04:LTSlinux7.0.0-42.42USN-8959-1
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2026-100078
Ubuntu:24.04:LTSlinux-awsno fix listedUBUNTU-CVE-2026-100078
Ubuntu:26.04:LTSlinux-aws7.0.0-1016.17UBUNTU-CVE-2026-100078
Ubuntu:26.04:LTSlinux-aws7.0.0-1016.17USN-8959-1
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2026-100078
Ubuntu:24.04:LTSlinux-aws-6.14no fix listedUBUNTU-CVE-2026-100078
Ubuntu:24.04:LTSlinux-aws-6.17no fix listedUBUNTU-CVE-2026-100078
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2026-100078
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2026-100078
Ubuntu:22.04:LTSlinux-aws-6.8no fix listedUBUNTU-CVE-2026-100078
Ubuntu:24.04:LTSlinux-aws-7.0no fix listedUBUNTU-CVE-2026-100078
Ubuntu:24.04:LTSlinux-azureno fix listedUBUNTU-CVE-2026-100078
Ubuntu:26.04:LTSlinux-azureno fix listedUBUNTU-CVE-2026-100078
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2026-100078
Ubuntu:24.04:LTSlinux-azure-6.11no fix listedUBUNTU-CVE-2026-100078
Ubuntu:24.04:LTSlinux-azure-6.14no fix listedUBUNTU-CVE-2026-100078
Ubuntu:24.04:LTSlinux-azure-6.17no fix listedUBUNTU-CVE-2026-100078
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2026-100078
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2026-100078
Ubuntu:22.04:LTSlinux-azure-6.8no fix listedUBUNTU-CVE-2026-100078
Ubuntu:24.04:LTSlinux-azure-7.0no fix listedUBUNTU-CVE-2026-100078
Ubuntu:24.04:LTSlinux-azure-fdeno fix listedUBUNTU-CVE-2026-100078
Ubuntu:26.04:LTSlinux-azure-fdeno fix listedUBUNTU-CVE-2026-100078
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2026-100078
Ubuntu:24.04:LTSlinux-azure-fde-6.14no fix listedUBUNTU-CVE-2026-100078
Ubuntu:24.04:LTSlinux-azure-fde-6.17no fix listedUBUNTU-CVE-2026-100078
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2026-100078
Ubuntu:22.04:LTSlinux-azure-fde-6.8no fix listedUBUNTU-CVE-2026-100078
Ubuntu:24.04:LTSlinux-azure-fde-7.0no fix listedUBUNTU-CVE-2026-100078
Ubuntu:24.04:LTSlinux-azure-nvidiano fix listedUBUNTU-CVE-2026-100078
Ubuntu:24.04:LTSlinux-azure-nvidia-6.14no fix listedUBUNTU-CVE-2026-100078
Ubuntu:24.04:LTSlinux-gcpno fix listedUBUNTU-CVE-2026-100078
Ubuntu:26.04:LTSlinux-gcp7.0.0-1016.18UBUNTU-CVE-2026-100078
Ubuntu:26.04:LTSlinux-gcp7.0.0-1016.18USN-8959-1
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2026-100078
Ubuntu:24.04:LTSlinux-gcp-6.11no fix listedUBUNTU-CVE-2026-100078
Ubuntu:24.04:LTSlinux-gcp-6.14no fix listedUBUNTU-CVE-2026-100078
Ubuntu:24.04:LTSlinux-gcp-6.17no fix listedUBUNTU-CVE-2026-100078
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2026-100078
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2026-100078
Ubuntu:22.04:LTSlinux-gcp-6.8no fix listedUBUNTU-CVE-2026-100078
Ubuntu:24.04:LTSlinux-gcp-7.0no fix listedUBUNTU-CVE-2026-100078
Ubuntu:24.04:LTSlinux-gkeno fix listedUBUNTU-CVE-2026-100078
Ubuntu:26.04:LTSlinux-gkeno fix listedUBUNTU-CVE-2026-100078
Ubuntu:24.04:LTSlinux-gkeopno fix listedUBUNTU-CVE-2026-100078
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2026-100078
Ubuntu:24.04:LTSlinux-hwe-6.11no fix listedUBUNTU-CVE-2026-100078
Ubuntu:24.04:LTSlinux-hwe-6.14no fix listedUBUNTU-CVE-2026-100078
Ubuntu:24.04:LTSlinux-hwe-6.17no fix listedUBUNTU-CVE-2026-100078
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2026-100078
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2026-100078
Ubuntu:22.04:LTSlinux-hwe-6.8no fix listedUBUNTU-CVE-2026-100078
Ubuntu:24.04:LTSlinux-hwe-7.07.0.0-42.42~24.04.1USN-8959-1
Ubuntu:24.04:LTSlinux-hwe-7.07.0.0-42.42~24.04.1UBUNTU-CVE-2026-100078
Ubuntu:24.04:LTSlinux-ibmno fix listedUBUNTU-CVE-2026-100078
Ubuntu:26.04:LTSlinux-ibm7.0.0-1017.17UBUNTU-CVE-2026-100078
Ubuntu:26.04:LTSlinux-ibm7.0.0-1017.17USN-8959-1
Ubuntu:22.04:LTSlinux-ibm-6.8no fix listedUBUNTU-CVE-2026-100078
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2026-100078
Ubuntu:24.04:LTSlinux-lowlatencyno fix listedUBUNTU-CVE-2026-100078
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2026-100078
Ubuntu:24.04:LTSlinux-lowlatency-hwe-6.11no fix listedUBUNTU-CVE-2026-100078
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2026-100078
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2026-100078
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.8no fix listedUBUNTU-CVE-2026-100078
Ubuntu:24.04:LTSlinux-nvidiano fix listedUBUNTU-CVE-2026-100078
Ubuntu:26.04:LTSlinux-nvidiano fix listedUBUNTU-CVE-2026-100078
Ubuntu:24.04:LTSlinux-nvidia-6.11no fix listedUBUNTU-CVE-2026-100078
Ubuntu:24.04:LTSlinux-nvidia-6.17no fix listedUBUNTU-CVE-2026-100078
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2026-100078
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix listedUBUNTU-CVE-2026-100078
Ubuntu:22.04:LTSlinux-nvidia-6.8no fix listedUBUNTU-CVE-2026-100078
Ubuntu:24.04:LTSlinux-nvidia-7.0no fix listedUBUNTU-CVE-2026-100078
Ubuntu:26.04:LTSlinux-nvidia-bosno fix listedUBUNTU-CVE-2026-100078
Ubuntu:24.04:LTSlinux-nvidia-lowlatencyno fix listedUBUNTU-CVE-2026-100078
Ubuntu:24.04:LTSlinux-nvidia-tegrano fix listedUBUNTU-CVE-2026-100078
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2026-100078
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2026-100078
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2026-100078
Ubuntu:24.04:LTSlinux-oem-6.11no fix listedUBUNTU-CVE-2026-100078
Ubuntu:24.04:LTSlinux-oem-6.14no fix listedUBUNTU-CVE-2026-100078
Ubuntu:24.04:LTSlinux-oem-6.17no fix listedUBUNTU-CVE-2026-100078
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2026-100078
Ubuntu:24.04:LTSlinux-oem-6.8no fix listedUBUNTU-CVE-2026-100078
Ubuntu:26.04:LTSlinux-oem-7.07.0.0-1017.17USN-8960-1
Ubuntu:26.04:LTSlinux-oem-7.07.0.0-1017.17UBUNTU-CVE-2026-100078
Ubuntu:24.04:LTSlinux-oracleno fix listedUBUNTU-CVE-2026-100078
Ubuntu:26.04:LTSlinux-oracle7.0.0-1015.16UBUNTU-CVE-2026-100078
Ubuntu:26.04:LTSlinux-oracle7.0.0-1015.16USN-8959-1
Ubuntu:24.04:LTSlinux-oracle-6.14no fix listedUBUNTU-CVE-2026-100078
Ubuntu:24.04:LTSlinux-oracle-6.17no fix listedUBUNTU-CVE-2026-100078
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2026-100078
Ubuntu:22.04:LTSlinux-oracle-6.8no fix listedUBUNTU-CVE-2026-100078
Ubuntu:24.04:LTSlinux-oracle-7.0no fix listedUBUNTU-CVE-2026-100078
Ubuntu:24.04:LTSlinux-raspino fix listedUBUNTU-CVE-2026-100078
Ubuntu:26.04:LTSlinux-raspino fix listedUBUNTU-CVE-2026-100078
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2026-100078
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2026-100078
Ubuntu:24.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2026-100078
Ubuntu:26.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2026-100078
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2026-100078
Ubuntu:24.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2026-100078
Ubuntu:26.04:LTSlinux-riscv7.0.0-42.42.1UBUNTU-CVE-2026-100078
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2026-100078
Ubuntu:24.04:LTSlinux-riscv-6.14no fix listedUBUNTU-CVE-2026-100078
Ubuntu:24.04:LTSlinux-riscv-6.17no fix listedUBUNTU-CVE-2026-100078
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2026-100078
Ubuntu:22.04:LTSlinux-riscv-6.8no fix listedUBUNTU-CVE-2026-100078
Ubuntu:24.04:LTSlinux-riscv-7.07.0.0-42.42.1~24.04.1UBUNTU-CVE-2026-100078
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2026-100078
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2026-100078
Ubuntu:22.04:LTSlinux-starfive-6.5no fix listedUBUNTU-CVE-2026-100078
Ubuntu:24.04:LTSlinux-vmwareno fix listedUBUNTU-CVE-2026-100078
Ubuntu:24.04:LTSlinux-xilinxno fix listedUBUNTU-CVE-2026-100078

Affected products (as reported)

VendorProductVersions
Linux Linux 652291601459272d52b6ba12811f0b60b3e6444f – before 034445e19f12bb8771c58e2ecf1fbd6eac9b5fac652291601459272d52b6ba12811f0b60b3e6444f – before f22ad9d1077c83718d9e6c84b71726287c1d1ad3652291601459272d52b6ba12811f0b60b3e6444f – before ee91ae7f5815345612d8c0afd5d7efed361bcdb5652291601459272d52b6ba12811f0b60b3e6444f – before 6b7d5abf3e374ca3af31ceb6b9b2efc7a48afde3652291601459272d52b6ba12811f0b60b3e6444f – before 082b353c05b8eaf07e03fc1918c176cd3c216e25652291601459272d52b6ba12811f0b60b3e6444f – before 905f57aefde4f4092a411c8a55856182fb1c7598
Linux Linux 5.17

References