CVE-2026-89807

CVE CVE-2026-89807EUVD EUVD-2026-80407Published 2026-09-16T10:30:40.000Z

What the advisory describes

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: guard against NULL restore_mqd in CRIU queue restore Both create_queue_cpsch() and create_queue_nocpsch() unconditionally call mqd_mgr->restore_mqd() when a CRIU restore is in progress (qd != NULL), with no NULL guard. On any system where restore_mqd is not implemented for the given queue type, a user holding CAP_CHECKPOINT_RESTORE can trigger a kernel NULL pointer dereference and panic the machine by issuing KFD_IOC_CRIU_OP_RESTORE with a crafted queue restore object. Note that checkpoint_mqd is likewise unimplemented on GFX12, so no legitimate CRIU image can reach this path — only a hand-crafted restore payload. Add a NULL guard for restore_mqd immediately after mqd_mgr is resolved, unwinding via the existing error labels and returning -EOPNOTSUPP if the callback is not implemented. This mirrors the existing checkpoint_mqd guard in checkpoint_mqd().

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: 0; 48f0bdf4e38e42b8285622cfcfc7e6e490b1a719 <c643c229babe2e8efc5eefe60e19d44868a643ff; patch: 7.3-rc1; 48f0bdf4e38e42b8285622cfcfc7e6e490b1a719 <6aa530642f95d5c48aa336416f94a35e7949b647; patch: 6.12.110; 48f0bdf4e38e42b8285622cfcfc7e6e490b1a719 <19c73848493ab58e39649700da6de11710a36de1; patch: 7.2.5; 6.11; patch: 6.18.51; 48f0bdf4e38e42b8285622cfcfc7e6e490b1a719 <ebffa44e7a21ead59ac4b4264e8fc2cbb44c4a21

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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