CVE-2026-74355
CVE CVE-2026-74355EUVD EUVD-2026-59502Published 2026-08-15T05:58:40.000ZLast changed 2026-08-17T05:46:16.000ZCVSS 8.2
What the advisory describes
In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Fix RB-tree corruption in probe error path The info->node RB-tree member is zero-initialized via kzalloc. If a device does not support ATS, the device_rbtree_insert() call is skipped. If a subsequent probe step fails, the error path jumps to device_rbtree_remove(), which misinterprets the zeroed node as a tree root and corrupts the device RB-tree. Fix this by explicitly initializing the RB-node as empty using RB_CLEAR_NODE() during initialization and guarding the removal with RB_EMPTY_NODE().
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 4f1492efb495bcef34c9ee8a94af81e6cea5abf4 <f5102e0fc3c6dc8685549891a96e4589fdb3e211; patch: 7.1.5; patch: 0; 6.15; 4f1492efb495bcef34c9ee8a94af81e6cea5abf4 <43bd9e6d5513cb1edbafdeef146a1edc3aaced56; patch: 7.2; patch: 6.18.40; 4f1492efb495bcef34c9ee8a94af81e6cea5abf4 <d16923a45d4d08367650fdc3451c89299ab6ac5a
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
An estate covering these products can be recorded in Patchlage. An advisory about them appears in the next morning's situation report.
- Linux — Linux
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