CVE-2026-46276

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: fix zero-size GDS range init on RDNA4 RDNA4 GFX 12 hardware removes the GDS, GWS, and OA on-chip memory resources. The gfxv120 initialisation code correctly leaves adev-gds.gdssize, adev-gds.gwssize, and adev-gds.oasi...

CVE-2026-46276

The CVE-2026-46276 entry describes a Linux kernel fix in the AMDGPU driver for RDNA4 (GFX 12). The issue occurred when RDNA4 hardware absence of on‑chip GDS/GWS/OA resources left their sizes at zero; the amdgpu_ttm_init() path called amdgpu_ttm_init_on_chip() unconditionally, which forwarded a ze...