CVE-2026-80541

Summary

In the Linux kernel, the following vulnerability has been resolved:

drm/amdgpu: validate GEM_CREATE domain combinations

AMDGPU_GEM_CREATE checked domain bits against AMDGPU_GEM_DOMAIN_MASK, but did not validate domain combinations. Userspace could combine CPU|GTT|VRAM with DOORBELL, GDS, GWS, or OA, making amdgpu_bo_placement_from_domain() exceed AMDGPU_BO_MAX_PLACEMENTS and hit BUG_ON().

Allow combinations only within CPU/GTT/VRAM, and require non-CPU/GTT/ VRAM domains to be specified one at a time. Return -EINVAL for invalid combinations in amdgpu_gem_create_ioctl().

v2: Rename helper from amdgpu_gem_domain_valid() to amdgpu_gem_are_domains_valid() (Christian)

(cherry picked from commit db39852d0c39843cb02048dfb47e4b8c703e9080)

Affected Software

VendorProductVersion RangeStatus
LinuxLinux77a2faa55c1a497f4e7e89eabd11830f0e3cb3dd < 5c73485af7ad9c3ae592db3481f370bc07705391affected
LinuxLinux77a2faa55c1a497f4e7e89eabd11830f0e3cb3dd < 584e3d47736fe2e7184ef3fc16b00b41485f96c6affected
LinuxLinux77a2faa55c1a497f4e7e89eabd11830f0e3cb3dd < 66133fc05c3af002f45de8a71b833c026ccbfba6affected
LinuxLinux77a2faa55c1a497f4e7e89eabd11830f0e3cb3dd < ce5da474c3ddf7cccec5dce6aa4296297dd7caffaffected
LinuxLinux77a2faa55c1a497f4e7e89eabd11830f0e3cb3dd < 493355096e397f9217b41c8574ed2784c7351443affected
LinuxLinux77a2faa55c1a497f4e7e89eabd11830f0e3cb3dd < 220aa2589d7321fb68d2e8597862711b5f22ae0baffected
LinuxLinux77a2faa55c1a497f4e7e89eabd11830f0e3cb3dd < 80f0b53860d02577709d69a312a29ca674b9297caffected
LinuxLinux77a2faa55c1a497f4e7e89eabd11830f0e3cb3dd < 5e9d136ad74df4edec67e502ce267597064d8f86affected
LinuxLinux4.20affected
LinuxLinux0 < 4.20unaffected
LinuxLinux5.10.266 <= 5.10.*unaffected
LinuxLinux5.15.217 <= 5.15.*unaffected
LinuxLinux6.1.184 <= 6.1.*unaffected
LinuxLinux6.6.153 <= 6.6.*unaffected
LinuxLinux6.12.105 <= 6.12.*unaffected
LinuxLinux6.18.46 <= 6.18.*unaffected
LinuxLinux7.1.10 <= 7.1.*unaffected
LinuxLinux7.2 <= *unaffected

Weaknesses

References