CVE-2026-89801

In the Linux kernel, the following vulnerability has been resolved: drm/nouveau/uvmm: fix premature region free on failed OPUNMAPSPARSE In nouveauuvmmbindjobsubmit's OPUNMAPSPARSE arm, op-reg is set from nouveauuvmaregionfind, which only looks the region up and takes no reference; a region's sole...

CVE-2026-89801

CVE-2026-89801 is a vulnerability in the Linux kernel 's drm/nouveau/uvmm subsystem. The root cause is in nouveau_uvmm_bind_job_submit()'s OP_UNMAP_SPARSE handling: two failure paths (a -ENOENT busy-region check and a drm_gpuvm_sm_unmap_ops_create() failure) leave op->reg set, violating the do...