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Vulnerability · Published Apr 22, 2026 · Assigned by Linux

CVE-2026-31462drm/amdgpu: prevent immediate PASID reuse case

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 0.2% (higher than 5% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)0.2%top 95.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: prevent immediate PASID reuse case PASID resue could cause interrupt issue when process immediately runs into hw state left by previous process exited with the same PASID, it's possible that page faults are still pending in the IH ring buffer when the process exits and frees up its PASID. To prevent the case, it uses idr cyclic allocator same as kernel pid's. (cherry picked from commit 8f1de51f49be692de137c8525106e0fce2d1912d)

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linuxno fix listedDEBIAN-CVE-2026-31462
Debian:13linux6.12.85-1DEBIAN-CVE-2026-31462
Debian:14linux6.19.11-1DEBIAN-CVE-2026-31462
Ubuntu:22.04:LTSlinuxno fix listedUBUNTU-CVE-2026-31462
Ubuntu:24.04:LTSlinuxno fix listedUBUNTU-CVE-2026-31462
Ubuntu:25.10linuxno fix listedUBUNTU-CVE-2026-31462
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2026-31462
Ubuntu:22.04:LTSlinux-awsno fix listedUBUNTU-CVE-2026-31462
Ubuntu:24.04:LTSlinux-awsno fix listedUBUNTU-CVE-2026-31462
Ubuntu:25.10linux-awsno fix listedUBUNTU-CVE-2026-31462
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2026-31462
Ubuntu:24.04:LTSlinux-aws-6.14no fix listedUBUNTU-CVE-2026-31462
Ubuntu:24.04:LTSlinux-aws-6.17no fix listedUBUNTU-CVE-2026-31462
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2026-31462
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2026-31462
Ubuntu:22.04:LTSlinux-aws-6.8no fix listedUBUNTU-CVE-2026-31462
Ubuntu:22.04:LTSlinux-azureno fix listedUBUNTU-CVE-2026-31462
Ubuntu:24.04:LTSlinux-azureno fix listedUBUNTU-CVE-2026-31462
Ubuntu:25.10linux-azureno fix listedUBUNTU-CVE-2026-31462
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2026-31462
Ubuntu:24.04:LTSlinux-azure-6.11no fix listedUBUNTU-CVE-2026-31462
Ubuntu:24.04:LTSlinux-azure-6.14no fix listedUBUNTU-CVE-2026-31462
Ubuntu:24.04:LTSlinux-azure-6.17no fix listedUBUNTU-CVE-2026-31462
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2026-31462
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2026-31462
Ubuntu:22.04:LTSlinux-azure-6.8no fix listedUBUNTU-CVE-2026-31462
Ubuntu:22.04:LTSlinux-azure-fdeno fix listedUBUNTU-CVE-2026-31462
Ubuntu:24.04:LTSlinux-azure-fdeno fix listedUBUNTU-CVE-2026-31462
Ubuntu:25.10linux-azure-fdeno fix listedUBUNTU-CVE-2026-31462
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2026-31462
Ubuntu:24.04:LTSlinux-azure-fde-6.14no fix listedUBUNTU-CVE-2026-31462
Ubuntu:24.04:LTSlinux-azure-fde-6.17no fix listedUBUNTU-CVE-2026-31462
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2026-31462
Ubuntu:22.04:LTSlinux-azure-fde-6.8no fix listedUBUNTU-CVE-2026-31462
Ubuntu:24.04:LTSlinux-azure-nvidiano fix listedUBUNTU-CVE-2026-31462
Ubuntu:24.04:LTSlinux-azure-nvidia-6.14no fix listedUBUNTU-CVE-2026-31462
Ubuntu:22.04:LTSlinux-gcpno fix listedUBUNTU-CVE-2026-31462
Ubuntu:24.04:LTSlinux-gcpno fix listedUBUNTU-CVE-2026-31462
Ubuntu:25.10linux-gcpno fix listedUBUNTU-CVE-2026-31462
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2026-31462
Ubuntu:24.04:LTSlinux-gcp-6.11no fix listedUBUNTU-CVE-2026-31462
Ubuntu:24.04:LTSlinux-gcp-6.14no fix listedUBUNTU-CVE-2026-31462
Ubuntu:24.04:LTSlinux-gcp-6.17no fix listedUBUNTU-CVE-2026-31462
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2026-31462
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2026-31462
Ubuntu:22.04:LTSlinux-gcp-6.8no fix listedUBUNTU-CVE-2026-31462
Ubuntu:22.04:LTSlinux-gkeno fix listedUBUNTU-CVE-2026-31462
Ubuntu:24.04:LTSlinux-gkeno fix listedUBUNTU-CVE-2026-31462
Ubuntu:22.04:LTSlinux-gkeopno fix listedUBUNTU-CVE-2026-31462
Ubuntu:24.04:LTSlinux-gkeopno fix listedUBUNTU-CVE-2026-31462
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2026-31462
Ubuntu:24.04:LTSlinux-hwe-6.11no fix listedUBUNTU-CVE-2026-31462
Ubuntu:24.04:LTSlinux-hwe-6.14no fix listedUBUNTU-CVE-2026-31462
Ubuntu:24.04:LTSlinux-hwe-6.17no fix listedUBUNTU-CVE-2026-31462
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2026-31462
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2026-31462
Ubuntu:22.04:LTSlinux-hwe-6.8no fix listedUBUNTU-CVE-2026-31462
Ubuntu:22.04:LTSlinux-ibmno fix listedUBUNTU-CVE-2026-31462
Ubuntu:24.04:LTSlinux-ibmno fix listedUBUNTU-CVE-2026-31462
Ubuntu:22.04:LTSlinux-ibm-6.8no fix listedUBUNTU-CVE-2026-31462
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2026-31462
Ubuntu:22.04:LTSlinux-intel-iotgno fix listedUBUNTU-CVE-2026-31462
Ubuntu:22.04:LTSlinux-kvmno fix listedUBUNTU-CVE-2026-31462
Ubuntu:22.04:LTSlinux-lowlatencyno fix listedUBUNTU-CVE-2026-31462
Ubuntu:24.04:LTSlinux-lowlatencyno fix listedUBUNTU-CVE-2026-31462
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2026-31462
Ubuntu:24.04:LTSlinux-lowlatency-hwe-6.11no fix listedUBUNTU-CVE-2026-31462
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2026-31462
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2026-31462
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.8no fix listedUBUNTU-CVE-2026-31462
Ubuntu:22.04:LTSlinux-nvidiano fix listedUBUNTU-CVE-2026-31462
Ubuntu:24.04:LTSlinux-nvidiano fix listedUBUNTU-CVE-2026-31462
Ubuntu:24.04:LTSlinux-nvidia-6.11no fix listedUBUNTU-CVE-2026-31462
Ubuntu:24.04:LTSlinux-nvidia-6.17no fix listedUBUNTU-CVE-2026-31462
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2026-31462
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix listedUBUNTU-CVE-2026-31462
Ubuntu:22.04:LTSlinux-nvidia-6.8no fix listedUBUNTU-CVE-2026-31462
Ubuntu:24.04:LTSlinux-nvidia-lowlatencyno fix listedUBUNTU-CVE-2026-31462
Ubuntu:22.04:LTSlinux-nvidia-tegrano fix listedUBUNTU-CVE-2026-31462
Ubuntu:24.04:LTSlinux-nvidia-tegrano fix listedUBUNTU-CVE-2026-31462
Ubuntu:22.04:LTSlinux-nvidia-tegra-igxno fix listedUBUNTU-CVE-2026-31462
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2026-31462
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2026-31462
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2026-31462
Ubuntu:24.04:LTSlinux-oem-6.11no fix listedUBUNTU-CVE-2026-31462
Ubuntu:24.04:LTSlinux-oem-6.14no fix listedUBUNTU-CVE-2026-31462
Ubuntu:24.04:LTSlinux-oem-6.17no fix listedUBUNTU-CVE-2026-31462
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2026-31462
Ubuntu:24.04:LTSlinux-oem-6.8no fix listedUBUNTU-CVE-2026-31462
Ubuntu:22.04:LTSlinux-oracleno fix listedUBUNTU-CVE-2026-31462
Ubuntu:24.04:LTSlinux-oracleno fix listedUBUNTU-CVE-2026-31462
Ubuntu:25.10linux-oracleno fix listedUBUNTU-CVE-2026-31462
Ubuntu:24.04:LTSlinux-oracle-6.14no fix listedUBUNTU-CVE-2026-31462
Ubuntu:24.04:LTSlinux-oracle-6.17no fix listedUBUNTU-CVE-2026-31462
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2026-31462
Ubuntu:22.04:LTSlinux-oracle-6.8no fix listedUBUNTU-CVE-2026-31462
Ubuntu:22.04:LTSlinux-raspino fix listedUBUNTU-CVE-2026-31462
Ubuntu:24.04:LTSlinux-raspino fix listedUBUNTU-CVE-2026-31462
Ubuntu:25.10linux-raspino fix listedUBUNTU-CVE-2026-31462
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2026-31462
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2026-31462
Ubuntu:24.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2026-31462
Ubuntu:25.10linux-realtimeno fix listedUBUNTU-CVE-2026-31462
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2026-31462
Ubuntu:24.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2026-31462
Ubuntu:25.10linux-riscvno fix listedUBUNTU-CVE-2026-31462
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2026-31462
Ubuntu:24.04:LTSlinux-riscv-6.14no fix listedUBUNTU-CVE-2026-31462
Ubuntu:24.04:LTSlinux-riscv-6.17no fix listedUBUNTU-CVE-2026-31462
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2026-31462
Ubuntu:22.04:LTSlinux-riscv-6.8no fix listedUBUNTU-CVE-2026-31462
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2026-31462
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2026-31462
Ubuntu:22.04:LTSlinux-starfive-6.5no fix listedUBUNTU-CVE-2026-31462
Ubuntu:24.04:LTSlinux-vmwareno fix listedUBUNTU-CVE-2026-31462
Ubuntu:24.04:LTSlinux-xilinxno fix listedUBUNTU-CVE-2026-31462
Ubuntu:22.04:LTSlinux-xilinx-zynqmpno fix listedUBUNTU-CVE-2026-31462

Affected products (as reported)

VendorProductVersions
Linux Linux 02208441cc3a5110191996bb129db39ff10e7395 – before 185a5e779c259869b8d5c20bd90e7a780c56576b02208441cc3a5110191996bb129db39ff10e7395 – before f69491478e3de0e3c6aac2ee89b3cda3f247130102208441cc3a5110191996bb129db39ff10e7395 – before c0b3882836de8ac991b626823966f385555bbcff02208441cc3a5110191996bb129db39ff10e7395 – before 51ccaf0e30c303149244c34820def83d74c8628802208441cc3a5110191996bb129db39ff10e7395 – before 9e5ebfe99b223bb0eb9c50a125c9c02f4ef4c71b02208441cc3a5110191996bb129db39ff10e7395 – before 14b81abe7bdc25f8097906fc2f91276ffedb2d26
Linux Linux 4.15

References