https://vulnerability.circl.lu Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Sat, 03 Oct 2026 04:58:14 +0000 https://vulnerability.circl.lu/vuln/cve-2026-72095 <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>dma-fence: Make dma_fence_dedup_array() robust against 0-count input</p> <p>dma_fence_dedup_array() returns 1 when called with num_fences == 0: the for-loop body never executes, j stays at 0, and the final `return ++j` yields 1. This contradicts both the kernel-doc (&#34;Return: Number of unique fences remaining in the array&#34;) and the natural expectation that 0 input gives 0 output.</p> <p>The caller __dma_fence_unwrap_merge() bails out via the `if (count == 0 || count == 1)` fast path and so is save.</p> <p>But amdgpu_userq_wait_*() could reach the dedup call with a zero local count and dereference an uninitialized fence slot in the array.</p> <p>Make the contract match the documentation by returning 0 early. This also skips an unnecessary sort() call on an empty array.</p> <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>dma-fence: Make dma_fence_dedup_array() robust against 0-count input</p> <p>dma_fence_dedup_array() returns 1 when called with num_fences == 0: the for-loop body never executes, j stays at 0, and the final `return ++j` yields 1. This contradicts both the kernel-doc (&#34;Return: Number of unique fences remaining in the array&#34;) and the natural expectation that 0 input gives 0 output.</p> <p>The caller __dma_fence_unwrap_merge() bails out via the `if (count == 0 || count == 1)` fast path and so is save.</p> <p>But amdgpu_userq_wait_*() could reach the dedup call with a zero local count and dereference an uninitialized fence slot in the array.</p> <p>Make the contract match the documentation by returning 0 early. This also skips an unnecessary sort() call on an empty array.</p> https://vulnerability.circl.lu/vuln/cve-2026-72095