In the Linux kernel, the following vulnerability has been resolved:
vfio: Remove device debugfs before releasing devres
VFIO device debugfs files created with debugfs_create_devm_seqfile() store a devres allocated debugfs_devm_entry as inode private data. vfio_unregister_group_dev() currently calls vfio_device_del() before vfio_device_debugfs_exit(), but device_del() releases devres. This can leave debugfs entries visible with stale inode private data while unregister waits for userspace references to drain.
Remove the per-device debugfs tree before vfio_device_del(). The debugfs view is diagnostic only, so losing it at the start of unregister is preferable to preserving entries whose backing storage may already have been released.
Complete the teardown by clearing the per-device debugfs root after removal. This matches the global debugfs root cleanup and prevents future users from mistaking a removed dentry for a live debugfs tree during the remainder of unregister.
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon_linux_2023 | — | Upgrade perf6.18Upgrade python3-perf6.18Upgrade bpftool6.18Upgrade kernel6.18Upgrade kernel6.18-tools-debuginfoUpgrade kernel-livepatch-6.18.39-79.141Upgrade kernel6.18-debuginfo-common-aarch64Upgrade kernel6.18-modules-extra-commonUpgrade perf6.18-debuginfoUpgrade kernel6.18-toolsUpgrade microvm-kernel6.18Upgrade kernel6.18-develUpgrade kernel6.18-tools-develUpgrade kernel6.18-debuginfo-common-x86_64Upgrade kernel6.18-modules-extraUpgrade kernel6.18-debuginfoUpgrade bpftool6.18-debuginfoUpgrade kernel6.18-headersUpgrade python3-perf6.18-debuginfo | Aug 18, 2026 | Jul 25, 2026 |
| Debian | — | Upgrade linux-6.12Upgrade linux | Jul 28, 2026 | Jul 28, 2026 |
| Redhat_linux | — | No solution exists | Jul 31, 2026 | Jul 25, 2026 |
| Ubuntu | — | Upgrade linux-image-7.0.0-1018-nvidia-64kUpgrade linux-image-azure-7.0Upgrade linux-image-7.0.0-31-genericUpgrade linux-image-azureUpgrade linux-image-nvidia-bosUpgrade linux-image-realtime-64kUpgrade linux-image-nvidia-64k-hwe-26.04Upgrade linux-image-nvidia-7.0Upgrade linux-image-oem-7.0Upgrade linux-image-7.0.0-1018-nvidiaUpgrade linux-image-7.0.0-1012-aws-64kUpgrade linux-image-gcp-64k-7.0Upgrade linux-image-realtimeUpgrade linux-image-oem-26.04aUpgrade linux-image-generic-7.0Upgrade linux-image-raspiUpgrade linux-image-7.0.0-1019-raspi-realtimeUpgrade linux-image-oem-26.04Upgrade linux-image-generic-hwe-24.04Upgrade linux-image-nvidia-64kUpgrade linux-image-generic-64kUpgrade linux-image-gke-7.0Upgrade linux-image-gke-64kUpgrade linux-image-nvidia-bos-7.0Upgrade linux-image-nvidia-bos-64k-7.0Upgrade linux-image-realtime-64k-hwe-26.04Upgrade linux-image-7.0.0-1013-oemUpgrade linux-image-nvidia-hwe-26.04Upgrade linux-image-7.0.0-1014-azureUpgrade linux-image-generic-hwe-26.04Upgrade linux-image-realtime-hwe-26.04Upgrade linux-image-aws-7.0Upgrade linux-image-7.0.0-1011-gcp-64kUpgrade linux-image-gke-64k-7.0Upgrade linux-image-gcp-64kUpgrade linux-image-oracle-64kUpgrade linux-image-nvidia-bos-64kUpgrade linux-image-7.0.0-1006-gke-64kUpgrade linux-image-raspi-realtime-7.0Upgrade linux-image-awsUpgrade linux-image-generic-64k-7.0Upgrade linux-image-7.0.0-2018-nvidia-bosUpgrade linux-image-realtime-7.0Upgrade linux-image-7.0.0-1012-awsUpgrade linux-image-aws-64kUpgrade linux-image-7.0.0-1011-oracle-64kUpgrade linux-image-7.0.0-1011-oracleUpgrade linux-image-7.0.0-31-realtimeUpgrade linux-image-raspi-7.0Upgrade linux-image-7.0.0-1006-gkeUpgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-7.0.0-2018-nvidia-bos-64kUpgrade linux-image-azure-lts-26.04Upgrade linux-image-7.0.0-31-generic-64kUpgrade linux-image-virtual-hwe-26.04Upgrade linux-image-generic-64k-hwe-26.04Upgrade linux-image-7.0.0-1011-gcpUpgrade linux-image-nvidia-64k-7.0Upgrade linux-image-gke-64k-hwe-26.04Upgrade linux-image-gke-hwe-26.04Upgrade linux-image-genericUpgrade linux-image-gcpUpgrade linux-image-aws-64k-7.0Upgrade linux-image-oracleUpgrade linux-image-gcp-7.0Upgrade linux-image-realtime-64k-7.0Upgrade linux-image-virtual-hwe-24.04Upgrade linux-image-nvidiaUpgrade linux-image-oracle-7.0Upgrade linux-image-ibm-7.0Upgrade linux-image-7.0.0-1019-raspiUpgrade linux-image-virtual-7.0Upgrade linux-image-7.0.0-31-realtime-64kUpgrade linux-image-raspi-realtimeUpgrade linux-image-oracle-64k-7.0Upgrade linux-image-ibmUpgrade linux-image-virtualUpgrade linux-image-oem-26.04bUpgrade linux-image-gkeUpgrade linux-image-7.0.0-1013-ibm | Sep 14, 2026 | Sep 7, 2026 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jul 31, 2026 | Jul 25, 2026 |
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