Vulnerability · Published Sep 17, 2026 · Assigned by Linux

CVE-2026-92490firmware: arm_scmi: Unrequest devices if driver registration fails

Unrated

In plain English

A 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 0.2% (higher than 12% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS )–Not rated
Exploit odds (30 days)0.2%top 88.1% 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: firmware: arm_scmi: Unrequest devices if driver registration fails scmi_driver_register() requests protocol devices before registering the driver. If driver_register() fails, those requests remain in the global IDR and retain pointers to the module's ID table. Once the failed module load releases that storage, later request matching or SCMI device creation can dereference the stale pointers. Unrequest the complete protocol table before returning the registration failure. At this point table registration succeeded, so every entry is owned by the current registration attempt.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:13linux6.12.111-1DEBIAN-CVE-2026-92490
Debian:14linux7.2.6-1DEBIAN-CVE-2026-92490
Debian:12linux-6.126.12.111-1~deb12u1DEBIAN-CVE-2026-92490
Ubuntu:24.04:LTSlinuxno fix listedUBUNTU-CVE-2026-92490
Ubuntu:26.04:LTSlinux7.0.0-42.42UBUNTU-CVE-2026-92490
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2026-92490
Ubuntu:24.04:LTSlinux-awsno fix listedUBUNTU-CVE-2026-92490
Ubuntu:26.04:LTSlinux-aws7.0.0-1016.17UBUNTU-CVE-2026-92490
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2026-92490
Ubuntu:24.04:LTSlinux-aws-6.14no fix listedUBUNTU-CVE-2026-92490
Ubuntu:24.04:LTSlinux-aws-6.17no fix listedUBUNTU-CVE-2026-92490
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2026-92490
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2026-92490
Ubuntu:22.04:LTSlinux-aws-6.8no fix listedUBUNTU-CVE-2026-92490
Ubuntu:24.04:LTSlinux-aws-7.0no fix listedUBUNTU-CVE-2026-92490
Ubuntu:24.04:LTSlinux-azureno fix listedUBUNTU-CVE-2026-92490
Ubuntu:26.04:LTSlinux-azureno fix listedUBUNTU-CVE-2026-92490
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2026-92490
Ubuntu:24.04:LTSlinux-azure-6.11no fix listedUBUNTU-CVE-2026-92490
Ubuntu:24.04:LTSlinux-azure-6.14no fix listedUBUNTU-CVE-2026-92490
Ubuntu:24.04:LTSlinux-azure-6.17no fix listedUBUNTU-CVE-2026-92490
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2026-92490
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2026-92490
Ubuntu:22.04:LTSlinux-azure-6.8no fix listedUBUNTU-CVE-2026-92490
Ubuntu:24.04:LTSlinux-azure-7.0no fix listedUBUNTU-CVE-2026-92490
Ubuntu:24.04:LTSlinux-azure-fdeno fix listedUBUNTU-CVE-2026-92490
Ubuntu:26.04:LTSlinux-azure-fdeno fix listedUBUNTU-CVE-2026-92490
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2026-92490
Ubuntu:24.04:LTSlinux-azure-fde-6.14no fix listedUBUNTU-CVE-2026-92490
Ubuntu:24.04:LTSlinux-azure-fde-6.17no fix listedUBUNTU-CVE-2026-92490
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2026-92490
Ubuntu:22.04:LTSlinux-azure-fde-6.8no fix listedUBUNTU-CVE-2026-92490
Ubuntu:24.04:LTSlinux-azure-fde-7.0no fix listedUBUNTU-CVE-2026-92490
Ubuntu:24.04:LTSlinux-azure-nvidiano fix listedUBUNTU-CVE-2026-92490
Ubuntu:24.04:LTSlinux-azure-nvidia-6.14no fix listedUBUNTU-CVE-2026-92490
Ubuntu:24.04:LTSlinux-gcpno fix listedUBUNTU-CVE-2026-92490
Ubuntu:26.04:LTSlinux-gcp7.0.0-1016.18UBUNTU-CVE-2026-92490
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2026-92490
Ubuntu:24.04:LTSlinux-gcp-6.11no fix listedUBUNTU-CVE-2026-92490
Ubuntu:24.04:LTSlinux-gcp-6.14no fix listedUBUNTU-CVE-2026-92490
Ubuntu:24.04:LTSlinux-gcp-6.17no fix listedUBUNTU-CVE-2026-92490
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2026-92490
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2026-92490
Ubuntu:22.04:LTSlinux-gcp-6.8no fix listedUBUNTU-CVE-2026-92490
Ubuntu:24.04:LTSlinux-gcp-7.0no fix listedUBUNTU-CVE-2026-92490
Ubuntu:24.04:LTSlinux-gkeno fix listedUBUNTU-CVE-2026-92490
Ubuntu:26.04:LTSlinux-gkeno fix listedUBUNTU-CVE-2026-92490
Ubuntu:24.04:LTSlinux-gkeopno fix listedUBUNTU-CVE-2026-92490
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2026-92490
Ubuntu:24.04:LTSlinux-hwe-6.11no fix listedUBUNTU-CVE-2026-92490
Ubuntu:24.04:LTSlinux-hwe-6.14no fix listedUBUNTU-CVE-2026-92490
Ubuntu:24.04:LTSlinux-hwe-6.17no fix listedUBUNTU-CVE-2026-92490
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2026-92490
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2026-92490
Ubuntu:22.04:LTSlinux-hwe-6.8no fix listedUBUNTU-CVE-2026-92490
Ubuntu:24.04:LTSlinux-hwe-7.07.0.0-42.42~24.04.1UBUNTU-CVE-2026-92490
Ubuntu:24.04:LTSlinux-ibmno fix listedUBUNTU-CVE-2026-92490
Ubuntu:26.04:LTSlinux-ibm7.0.0-1017.17UBUNTU-CVE-2026-92490
Ubuntu:22.04:LTSlinux-ibm-6.8no fix listedUBUNTU-CVE-2026-92490
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2026-92490
Ubuntu:24.04:LTSlinux-lowlatencyno fix listedUBUNTU-CVE-2026-92490
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2026-92490
Ubuntu:24.04:LTSlinux-lowlatency-hwe-6.11no fix listedUBUNTU-CVE-2026-92490
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2026-92490
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2026-92490
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.8no fix listedUBUNTU-CVE-2026-92490
Ubuntu:24.04:LTSlinux-nvidiano fix listedUBUNTU-CVE-2026-92490
Ubuntu:26.04:LTSlinux-nvidiano fix listedUBUNTU-CVE-2026-92490
Ubuntu:24.04:LTSlinux-nvidia-6.11no fix listedUBUNTU-CVE-2026-92490
Ubuntu:24.04:LTSlinux-nvidia-6.17no fix listedUBUNTU-CVE-2026-92490
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2026-92490
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix listedUBUNTU-CVE-2026-92490
Ubuntu:22.04:LTSlinux-nvidia-6.8no fix listedUBUNTU-CVE-2026-92490
Ubuntu:24.04:LTSlinux-nvidia-7.0no fix listedUBUNTU-CVE-2026-92490
Ubuntu:26.04:LTSlinux-nvidia-bosno fix listedUBUNTU-CVE-2026-92490
Ubuntu:24.04:LTSlinux-nvidia-lowlatencyno fix listedUBUNTU-CVE-2026-92490
Ubuntu:24.04:LTSlinux-nvidia-tegrano fix listedUBUNTU-CVE-2026-92490
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2026-92490
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2026-92490
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2026-92490
Ubuntu:24.04:LTSlinux-oem-6.11no fix listedUBUNTU-CVE-2026-92490
Ubuntu:24.04:LTSlinux-oem-6.14no fix listedUBUNTU-CVE-2026-92490
Ubuntu:24.04:LTSlinux-oem-6.17no fix listedUBUNTU-CVE-2026-92490
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2026-92490
Ubuntu:24.04:LTSlinux-oem-6.8no fix listedUBUNTU-CVE-2026-92490
Ubuntu:26.04:LTSlinux-oem-7.07.0.0-1017.17UBUNTU-CVE-2026-92490
Ubuntu:24.04:LTSlinux-oracleno fix listedUBUNTU-CVE-2026-92490
Ubuntu:26.04:LTSlinux-oracle7.0.0-1015.16UBUNTU-CVE-2026-92490
Ubuntu:24.04:LTSlinux-oracle-6.14no fix listedUBUNTU-CVE-2026-92490
Ubuntu:24.04:LTSlinux-oracle-6.17no fix listedUBUNTU-CVE-2026-92490
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2026-92490
Ubuntu:22.04:LTSlinux-oracle-6.8no fix listedUBUNTU-CVE-2026-92490
Ubuntu:24.04:LTSlinux-oracle-7.0no fix listedUBUNTU-CVE-2026-92490
Ubuntu:24.04:LTSlinux-raspino fix listedUBUNTU-CVE-2026-92490
Ubuntu:26.04:LTSlinux-raspino fix listedUBUNTU-CVE-2026-92490
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2026-92490
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2026-92490
Ubuntu:24.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2026-92490
Ubuntu:26.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2026-92490
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2026-92490
Ubuntu:24.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2026-92490
Ubuntu:26.04:LTSlinux-riscv7.0.0-42.42.1UBUNTU-CVE-2026-92490
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2026-92490
Ubuntu:24.04:LTSlinux-riscv-6.14no fix listedUBUNTU-CVE-2026-92490
Ubuntu:24.04:LTSlinux-riscv-6.17no fix listedUBUNTU-CVE-2026-92490
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2026-92490
Ubuntu:22.04:LTSlinux-riscv-6.8no fix listedUBUNTU-CVE-2026-92490
Ubuntu:24.04:LTSlinux-riscv-7.07.0.0-42.42.1~24.04.1UBUNTU-CVE-2026-92490
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2026-92490
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2026-92490
Ubuntu:22.04:LTSlinux-starfive-6.5no fix listedUBUNTU-CVE-2026-92490
Ubuntu:24.04:LTSlinux-vmwareno fix listedUBUNTU-CVE-2026-92490
Ubuntu:24.04:LTSlinux-xilinxno fix listedUBUNTU-CVE-2026-92490

Affected products (as reported)

VendorProductVersions
Linux Linux a6fe96b2e371d5fd300cca24459cdcf471c2c741 – before 35a36fbbc985135f0d35a89d7f9d035ffc499d6ed3cd7c525fd2ecce3a6c963f314969a54783d211 – before 524e57035af2d32498af9dd8fa6fdc92fcc8f80ad3cd7c525fd2ecce3a6c963f314969a54783d211 – before 06e65e07a1bcb39a1ebc8bb89a981f8e07900497d3cd7c525fd2ecce3a6c963f314969a54783d211 – before a76b20b1f03099204db29b90e1024fe1c2b2cdd7d3cd7c525fd2ecce3a6c963f314969a54783d211 – before 4520d4a1db37198756ad23568e36cdf091b6ffffd3cd7c525fd2ecce3a6c963f314969a54783d211 – before 9f7cd6a62aa754ed6b48cbd5d50de40add1bcc86
Linux Linux 6.3

References