CVE-2026-97916
CVE CVE-2026-97916EUVD EUVD-2026-86770Published 2026-09-25T10:22:37.000Z
What the advisory describes
In the Linux kernel, the following vulnerability has been resolved: accel/ivpu: Validate firmware log buffer metadata The tracing log headers parsed by fw_log_print_buffer() reside in DMA-shared BOs that the NPU firmware can write to. fw_log_from_bo() validated log->header_size and log->size, but fw_log_print_buffer() re-read those same fields from shared memory afterwards, allowing a TOCTOU where firmware changes them between the check and the use, and making the host dereference out-of-bounds addresses while printing logs. Snapshot the validated values once with READ_ONCE() and pass them down explicitly in a new struct ivpu_fw_log_desc instead of re-reading them from the shared struct.
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 patch: 6.18.53; patch: 6.12.111; d4e4257afa6ed5205eda993180401fc2c20e4b60 <b1555f63ee1a680f280bc18e8dac416f250e2ec3; patch: 7.2.7; d4e4257afa6ed5205eda993180401fc2c20e4b60 <40868f80a89199630b03d4457876f9a1feba0660; patch: 7.3-rc3; d4e4257afa6ed5205eda993180401fc2c20e4b60 <8ec3d6972f1440fae6c8dadd1859892775208759; d4e4257afa6ed5205eda993180401fc2c20e4b60 <0724afc55c77c36c7feb9a7264b02aa7593c5c2d; 6.6; patch: 0
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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