https://vulnerability.circl.lu Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Tue, 29 Sep 2026 02:33:17 +0000 https://vulnerability.circl.lu/vuln/cve-2026-31766 <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>drm/amdgpu: validate doorbell_offset in user queue creation</p> <p>amdgpu_userq_get_doorbell_index() passes the user-provided doorbell_offset to amdgpu_doorbell_index_on_bar() without bounds checking. An arbitrarily large doorbell_offset can cause the calculated doorbell index to fall outside the allocated doorbell BO, potentially corrupting kernel doorbell space.</p> <p>Validate that doorbell_offset falls within the doorbell BO before computing the BAR index, using u64 arithmetic to prevent overflow.</p> <p>(cherry picked from commit de1ef4ffd70e1d15f0bf584fd22b1f28cbd5e2ec)</p> <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>drm/amdgpu: validate doorbell_offset in user queue creation</p> <p>amdgpu_userq_get_doorbell_index() passes the user-provided doorbell_offset to amdgpu_doorbell_index_on_bar() without bounds checking. An arbitrarily large doorbell_offset can cause the calculated doorbell index to fall outside the allocated doorbell BO, potentially corrupting kernel doorbell space.</p> <p>Validate that doorbell_offset falls within the doorbell BO before computing the BAR index, using u64 arithmetic to prevent overflow.</p> <p>(cherry picked from commit de1ef4ffd70e1d15f0bf584fd22b1f28cbd5e2ec)</p> https://vulnerability.circl.lu/vuln/cve-2026-31766