CVE-2026-64473

CVE CVE-2026-64473EUVD EUVD-2026-48817Published 2026-07-25T08:51:36.000Z

What the advisory describes

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.

Source: EUVD (ENISA), in the words of the advisory.

Products the advisory names

These come from the advisory itself, not from any check we performed.

Linux — Linux 2202844e4468c7539dba0c0b06577c93735af952 <6cc60b41d61657dc469893d14e8e55d160056ff1; 6.8; patch: 0; patch: 7.2-rc2; patch: 6.12.96; patch: 6.18.39; 2202844e4468c7539dba0c0b06577c93735af952 <dc7fe87de492ea7f33a72b78d26650b75bf37f4f; 2202844e4468c7539dba0c0b06577c93735af952 <a5df401dc84f091e20b045560569f0736758fea7; 2202844e4468c7539dba0c0b06577c93735af952 <a53109ffb6b5148e11a27fb7670355b92db12dd3; patch: 7.1.4

The versions shown are the advisory's own. Patchlage compares no version numbers and derives no judgement from them — which version is installed is something a person has to look up.

Carried in the product catalogue

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Linux — Linux

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