https://vulnerability.circl.lu Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Mon, 05 Oct 2026 19:17:30 +0000 https://vulnerability.circl.lu/vuln/cve-2026-43445 <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>e1000/e1000e: Fix leak in DMA error cleanup</p> <p>If an error is encountered while mapping TX buffers, the driver should unmap any buffers already mapped for that skb.</p> <p>Because count is incremented after a successful mapping, it will always match the correct number of unmappings needed when dma_error is reached. Decrementing count before the while loop in dma_error causes an off-by-one error. If any mapping was successful before an unsuccessful mapping, exactly one DMA mapping would leak.</p> <p>In these commits, a faulty while condition caused an infinite loop in dma_error: Commit 03b1320dfcee (&#34;e1000e: remove use of skb_dma_map from e1000e driver&#34;) Commit 602c0554d7b0 (&#34;e1000: remove use of skb_dma_map from e1000 driver&#34;)</p> <p>Commit c1fa347f20f1 (&#34;e1000/e1000e/igb/igbvf/ixgb/ixgbe: Fix tests of unsigned in *_tx_map()&#34;) fixed the infinite loop, but introduced the off-by-one error.</p> <p>This issue may still exist in the igbvf driver, but I did not address it in this patch.</p> <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>e1000/e1000e: Fix leak in DMA error cleanup</p> <p>If an error is encountered while mapping TX buffers, the driver should unmap any buffers already mapped for that skb.</p> <p>Because count is incremented after a successful mapping, it will always match the correct number of unmappings needed when dma_error is reached. Decrementing count before the while loop in dma_error causes an off-by-one error. If any mapping was successful before an unsuccessful mapping, exactly one DMA mapping would leak.</p> <p>In these commits, a faulty while condition caused an infinite loop in dma_error: Commit 03b1320dfcee (&#34;e1000e: remove use of skb_dma_map from e1000e driver&#34;) Commit 602c0554d7b0 (&#34;e1000: remove use of skb_dma_map from e1000 driver&#34;)</p> <p>Commit c1fa347f20f1 (&#34;e1000/e1000e/igb/igbvf/ixgb/ixgbe: Fix tests of unsigned in *_tx_map()&#34;) fixed the infinite loop, but introduced the off-by-one error.</p> <p>This issue may still exist in the igbvf driver, but I did not address it in this patch.</p> https://vulnerability.circl.lu/vuln/cve-2026-43445