Vulnerability · Published Sep 17, 2026 · Assigned by Linux

CVE-2026-90388iommu/dma: Check atomic pool allocation result directly

High 7.8

In plain English

A high-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 0.2% (higher than 6% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)7.8High
Exploit odds (30 days)0.2%top 93.7% 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: iommu/dma: Check atomic pool allocation result directly The non-blocking, non-coherent allocation path uses dma_alloc_from_pool(), which returns the allocated page and fills cpu_addr only on success. Do not rely on cpu_addr to detect allocation failure in this path. Check the returned page directly before using it for the IOMMU mapping.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linux6.1.190-1DEBIAN-CVE-2026-90388
Debian:13linux6.12.111-1DEBIAN-CVE-2026-90388
Debian:14linux7.2.6-1DEBIAN-CVE-2026-90388
Debian:12linux-6.126.12.111-1~deb12u1DEBIAN-CVE-2026-90388
Ubuntu:22.04:LTSlinux5.15.0-202.212UBUNTU-CVE-2026-90388
Ubuntu:24.04:LTSlinuxno fix listedUBUNTU-CVE-2026-90388
Ubuntu:26.04:LTSlinux7.0.0-42.42UBUNTU-CVE-2026-90388
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2026-90388
Ubuntu:22.04:LTSlinux-aws5.15.0-1119.126UBUNTU-CVE-2026-90388
Ubuntu:24.04:LTSlinux-awsno fix listedUBUNTU-CVE-2026-90388
Ubuntu:26.04:LTSlinux-aws7.0.0-1016.17UBUNTU-CVE-2026-90388
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2026-90388
Ubuntu:24.04:LTSlinux-aws-6.14no fix listedUBUNTU-CVE-2026-90388
Ubuntu:24.04:LTSlinux-aws-6.17no fix listedUBUNTU-CVE-2026-90388
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2026-90388
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2026-90388
Ubuntu:22.04:LTSlinux-aws-6.8no fix listedUBUNTU-CVE-2026-90388
Ubuntu:24.04:LTSlinux-aws-7.0no fix listedUBUNTU-CVE-2026-90388
Ubuntu:22.04:LTSlinux-azure5.15.0-1125.134UBUNTU-CVE-2026-90388
Ubuntu:24.04:LTSlinux-azureno fix listedUBUNTU-CVE-2026-90388
Ubuntu:26.04:LTSlinux-azureno fix listedUBUNTU-CVE-2026-90388
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2026-90388
Ubuntu:24.04:LTSlinux-azure-6.11no fix listedUBUNTU-CVE-2026-90388
Ubuntu:24.04:LTSlinux-azure-6.14no fix listedUBUNTU-CVE-2026-90388
Ubuntu:24.04:LTSlinux-azure-6.17no fix listedUBUNTU-CVE-2026-90388
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2026-90388
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2026-90388
Ubuntu:22.04:LTSlinux-azure-6.8no fix listedUBUNTU-CVE-2026-90388
Ubuntu:24.04:LTSlinux-azure-7.0no fix listedUBUNTU-CVE-2026-90388
Ubuntu:22.04:LTSlinux-azure-fde5.15.0-1124.133UBUNTU-CVE-2026-90388
Ubuntu:24.04:LTSlinux-azure-fdeno fix listedUBUNTU-CVE-2026-90388
Ubuntu:26.04:LTSlinux-azure-fdeno fix listedUBUNTU-CVE-2026-90388
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2026-90388
Ubuntu:24.04:LTSlinux-azure-fde-6.14no fix listedUBUNTU-CVE-2026-90388
Ubuntu:24.04:LTSlinux-azure-fde-6.17no fix listedUBUNTU-CVE-2026-90388
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2026-90388
Ubuntu:22.04:LTSlinux-azure-fde-6.8no fix listedUBUNTU-CVE-2026-90388
Ubuntu:24.04:LTSlinux-azure-fde-7.0no fix listedUBUNTU-CVE-2026-90388
Ubuntu:24.04:LTSlinux-azure-nvidiano fix listedUBUNTU-CVE-2026-90388
Ubuntu:24.04:LTSlinux-azure-nvidia-6.14no fix listedUBUNTU-CVE-2026-90388
Ubuntu:22.04:LTSlinux-gcp5.15.0-1120.130UBUNTU-CVE-2026-90388
Ubuntu:24.04:LTSlinux-gcpno fix listedUBUNTU-CVE-2026-90388
Ubuntu:26.04:LTSlinux-gcp7.0.0-1016.18UBUNTU-CVE-2026-90388
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2026-90388
Ubuntu:24.04:LTSlinux-gcp-6.11no fix listedUBUNTU-CVE-2026-90388
Ubuntu:24.04:LTSlinux-gcp-6.14no fix listedUBUNTU-CVE-2026-90388
Ubuntu:24.04:LTSlinux-gcp-6.17no fix listedUBUNTU-CVE-2026-90388
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2026-90388
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2026-90388
Ubuntu:22.04:LTSlinux-gcp-6.8no fix listedUBUNTU-CVE-2026-90388
Ubuntu:24.04:LTSlinux-gcp-7.0no fix listedUBUNTU-CVE-2026-90388
Ubuntu:22.04:LTSlinux-gke5.15.0-1115.121UBUNTU-CVE-2026-90388
Ubuntu:24.04:LTSlinux-gkeno fix listedUBUNTU-CVE-2026-90388
Ubuntu:26.04:LTSlinux-gkeno fix listedUBUNTU-CVE-2026-90388
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1102.110UBUNTU-CVE-2026-90388
Ubuntu:24.04:LTSlinux-gkeopno fix listedUBUNTU-CVE-2026-90388
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2026-90388
Ubuntu:24.04:LTSlinux-hwe-6.11no fix listedUBUNTU-CVE-2026-90388
Ubuntu:24.04:LTSlinux-hwe-6.14no fix listedUBUNTU-CVE-2026-90388
Ubuntu:24.04:LTSlinux-hwe-6.17no fix listedUBUNTU-CVE-2026-90388
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2026-90388
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2026-90388
Ubuntu:22.04:LTSlinux-hwe-6.8no fix listedUBUNTU-CVE-2026-90388
Ubuntu:24.04:LTSlinux-hwe-7.07.0.0-42.42~24.04.1UBUNTU-CVE-2026-90388
Ubuntu:22.04:LTSlinux-ibm5.15.0-1113.117UBUNTU-CVE-2026-90388
Ubuntu:24.04:LTSlinux-ibmno fix listedUBUNTU-CVE-2026-90388
Ubuntu:26.04:LTSlinux-ibm7.0.0-1017.17UBUNTU-CVE-2026-90388
Ubuntu:22.04:LTSlinux-ibm-6.8no fix listedUBUNTU-CVE-2026-90388
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2026-90388
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1114.120UBUNTU-CVE-2026-90388
Ubuntu:22.04:LTSlinux-kvm5.15.0-1111.116UBUNTU-CVE-2026-90388
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-197.207UBUNTU-CVE-2026-90388
Ubuntu:24.04:LTSlinux-lowlatencyno fix listedUBUNTU-CVE-2026-90388
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2026-90388
Ubuntu:24.04:LTSlinux-lowlatency-hwe-6.11no fix listedUBUNTU-CVE-2026-90388
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2026-90388
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2026-90388
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.8no fix listedUBUNTU-CVE-2026-90388
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1114.115UBUNTU-CVE-2026-90388
Ubuntu:24.04:LTSlinux-nvidiano fix listedUBUNTU-CVE-2026-90388
Ubuntu:26.04:LTSlinux-nvidiano fix listedUBUNTU-CVE-2026-90388
Ubuntu:24.04:LTSlinux-nvidia-6.11no fix listedUBUNTU-CVE-2026-90388
Ubuntu:24.04:LTSlinux-nvidia-6.17no fix listedUBUNTU-CVE-2026-90388
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2026-90388
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix listedUBUNTU-CVE-2026-90388
Ubuntu:22.04:LTSlinux-nvidia-6.8no fix listedUBUNTU-CVE-2026-90388
Ubuntu:24.04:LTSlinux-nvidia-7.0no fix listedUBUNTU-CVE-2026-90388
Ubuntu:26.04:LTSlinux-nvidia-bosno fix listedUBUNTU-CVE-2026-90388
Ubuntu:24.04:LTSlinux-nvidia-lowlatencyno fix listedUBUNTU-CVE-2026-90388
Ubuntu:22.04:LTSlinux-nvidia-tegra5.15.0-1070.72UBUNTU-CVE-2026-90388
Ubuntu:24.04:LTSlinux-nvidia-tegrano fix listedUBUNTU-CVE-2026-90388
Ubuntu:22.04:LTSlinux-nvidia-tegra-igx5.15.0-1059.59UBUNTU-CVE-2026-90388
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2026-90388
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2026-90388
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2026-90388
Ubuntu:24.04:LTSlinux-oem-6.11no fix listedUBUNTU-CVE-2026-90388
Ubuntu:24.04:LTSlinux-oem-6.14no fix listedUBUNTU-CVE-2026-90388
Ubuntu:24.04:LTSlinux-oem-6.17no fix listedUBUNTU-CVE-2026-90388
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2026-90388
Ubuntu:24.04:LTSlinux-oem-6.8no fix listedUBUNTU-CVE-2026-90388
Ubuntu:26.04:LTSlinux-oem-7.07.0.0-1017.17UBUNTU-CVE-2026-90388
Ubuntu:22.04:LTSlinux-oracle5.15.0-1116.122UBUNTU-CVE-2026-90388
Ubuntu:24.04:LTSlinux-oracleno fix listedUBUNTU-CVE-2026-90388
Ubuntu:26.04:LTSlinux-oracle7.0.0-1015.16UBUNTU-CVE-2026-90388
Ubuntu:24.04:LTSlinux-oracle-6.14no fix listedUBUNTU-CVE-2026-90388
Ubuntu:24.04:LTSlinux-oracle-6.17no fix listedUBUNTU-CVE-2026-90388
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2026-90388
Ubuntu:22.04:LTSlinux-oracle-6.8no fix listedUBUNTU-CVE-2026-90388
Ubuntu:24.04:LTSlinux-oracle-7.0no fix listedUBUNTU-CVE-2026-90388
Ubuntu:22.04:LTSlinux-raspino fix listedUBUNTU-CVE-2026-90388
Ubuntu:24.04:LTSlinux-raspino fix listedUBUNTU-CVE-2026-90388
Ubuntu:26.04:LTSlinux-raspino fix listedUBUNTU-CVE-2026-90388
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2026-90388
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2026-90388
Ubuntu:24.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2026-90388
Ubuntu:26.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2026-90388
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2026-90388
Ubuntu:24.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2026-90388
Ubuntu:26.04:LTSlinux-riscv7.0.0-42.42.1UBUNTU-CVE-2026-90388
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2026-90388
Ubuntu:24.04:LTSlinux-riscv-6.14no fix listedUBUNTU-CVE-2026-90388
Ubuntu:24.04:LTSlinux-riscv-6.17no fix listedUBUNTU-CVE-2026-90388
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2026-90388
Ubuntu:22.04:LTSlinux-riscv-6.8no fix listedUBUNTU-CVE-2026-90388
Ubuntu:24.04:LTSlinux-riscv-7.07.0.0-42.42.1~24.04.1UBUNTU-CVE-2026-90388
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2026-90388
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2026-90388
Ubuntu:22.04:LTSlinux-starfive-6.5no fix listedUBUNTU-CVE-2026-90388
Ubuntu:24.04:LTSlinux-vmwareno fix listedUBUNTU-CVE-2026-90388
Ubuntu:24.04:LTSlinux-xilinxno fix listedUBUNTU-CVE-2026-90388
Ubuntu:22.04:LTSlinux-xilinx-zynqmpno fix listedUBUNTU-CVE-2026-90388

Affected products (as reported)

VendorProductVersions
Linux Linux 9420139f516d7fbc248ce17f35275cb005ed98ea – before ac9cd0a669b8be5d178dbd471b0d68039dac58b59420139f516d7fbc248ce17f35275cb005ed98ea – before db46cb9da83a507d86d2bb080bdb09c865da3d0a9420139f516d7fbc248ce17f35275cb005ed98ea – before d56c3f955b21e5764c1497e295a5b5d0b3a404709420139f516d7fbc248ce17f35275cb005ed98ea – before 06dffc96693083dda3412311406e558cf27f15749420139f516d7fbc248ce17f35275cb005ed98ea – before a4ace31d732b657d774e31fb444c0c27d42c78e59420139f516d7fbc248ce17f35275cb005ed98ea – before fb0b39287ba894dbdfac2901c51788b63f5c22919420139f516d7fbc248ce17f35275cb005ed98ea – before 8c486293ddd0af60991408149fc3e964ea888dc49420139f516d7fbc248ce17f35275cb005ed98ea – before af95a0ebc0a0db0762be75f51eadf770bad01aaa
Linux Linux 5.9

References