In the Linux kernel, the following vulnerability has been resolved:
vfio/pci: Check BAR resources before exporting a DMABUF
A DMABUF exports access to BAR resources and, although they are requested at startup time, we need to ensure they really were reserved before exporting. Otherwise, it's possible to access unreserved resources through the export.
Add a check to the DMABUF-creation path.
CVSS Details
- CVSS 3.1 Base Score: 8.8
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Redhat_linux | — | Upgrade kernel-rtUpgrade kernel | Sep 10, 2026 | Jul 19, 2026 |
| Rocky_linux | — | Upgrade kernel-modulesUpgrade kernel-uki-virtUpgrade kernel-coreUpgrade kernel-debug-coreUpgrade kernel-zfcpdump-modules-extraUpgrade kernel-develUpgrade kernel-rt-coreUpgrade kernel-modules-extra-matchedUpgrade kernel-rt-develUpgrade kernelUpgrade kernel-tools-debuginfoUpgrade kernel-debug-uki-virtUpgrade python3-perf-debuginfoUpgrade kernel-debug-develUpgrade kernel-tools-libsUpgrade kernel-modules-extraUpgrade kernel-rt-debug-develUpgrade kernel-rt-debug-modulesUpgrade perf-debuginfoUpgrade kernel-zfcpdump-debuginfoUpgrade rtlaUpgrade kernel-debuginfoUpgrade kernel-debugUpgrade kernel-modules-coreUpgrade python3-perfUpgrade kernel-rt-debug-debuginfoUpgrade kernel-rt-debugUpgrade perfUpgrade kernel-zfcpdump-develUpgrade kernel-zfcpdumpUpgrade kernel-zfcpdump-coreUpgrade kernel-debuginfo-common-s390xUpgrade kernel-zfcpdump-modules-coreUpgrade kernel-rt-modules-extraUpgrade kernel-rt-modulesUpgrade kernel-rt-debuginfoUpgrade kernel-rt-debug-modules-coreUpgrade kernel-debuginfo-common-x86_64Upgrade libperfUpgrade kernel-zfcpdump-modulesUpgrade kernel-uki-virt-addonsUpgrade kernel-toolsUpgrade kernel-debug-modules-coreUpgrade kernel-tools-libs-develUpgrade kernel-rt-debug-modules-extraUpgrade kernel-devel-matchedUpgrade kernel-debug-modulesUpgrade kernel-rt-modules-coreUpgrade kernel-rtUpgrade kernel-zfcpdump-devel-matchedUpgrade kernel-debug-modules-extraUpgrade kernel-rt-debug-coreUpgrade kernel-debug-debuginfoUpgrade libperf-debuginfoUpgrade kernel-debug-devel-matchedUpgrade rv | Sep 15, 2026 | Sep 10, 2026 |
| Ubuntu | — | Upgrade linux-image-gcpUpgrade linux-image-nvidia-64kUpgrade linux-image-nvidia-bosUpgrade linux-image-raspi-realtimeUpgrade linux-image-gcp-64k-7.0Upgrade linux-image-7.0.0-1016-nvidia-64kUpgrade linux-image-raspiUpgrade linux-image-nvidia-7.0Upgrade linux-image-raspi-7.0Upgrade linux-image-nvidia-hwe-26.04Upgrade linux-image-gcp-64kUpgrade linux-image-azureUpgrade linux-image-azure-7.0Upgrade linux-image-aws-64kUpgrade linux-image-oracle-64kUpgrade linux-image-nvidia-bos-64kUpgrade linux-image-awsUpgrade linux-image-7.0.0-1014-azureUpgrade linux-image-nvidia-64k-hwe-26.04Upgrade linux-image-7.0.0-1008-oracleUpgrade linux-image-azure-fdeUpgrade linux-image-7.0.0-1011-gcp-64kUpgrade linux-image-oracle-64k-7.0Upgrade linux-image-7.0.0-1015-raspiUpgrade linux-image-aws-7.0Upgrade linux-image-7.0.0-2016-nvidia-bosUpgrade linux-image-7.0.0-1009-aws-64kUpgrade linux-image-7.0.0-1008-oracle-64kUpgrade linux-image-7.0.0-1010-ibmUpgrade linux-image-7.0.0-1009-awsUpgrade linux-image-7.0.0-1010-azureUpgrade linux-image-raspi-realtime-7.0Upgrade linux-image-oracle-7.0Upgrade linux-image-azure-fde-7.0Upgrade linux-image-7.0.0-1015-raspi-realtimeUpgrade linux-image-7.0.0-1009-azure-fdeUpgrade linux-image-nvidia-64k-7.0Upgrade linux-image-7.0.0-1016-nvidiaUpgrade linux-image-oracleUpgrade linux-image-7.0.0-2016-nvidia-bos-64kUpgrade linux-image-nvidia-bos-64k-7.0Upgrade linux-image-ibm-7.0Upgrade linux-image-gcp-7.0Upgrade linux-image-aws-64k-7.0Upgrade linux-image-7.0.0-1011-gcpUpgrade linux-image-nvidiaUpgrade linux-image-nvidia-bos-7.0Upgrade linux-image-ibm | Jul 21, 2026 | Jul 20, 2026 |
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