CVE-2026-74279
Critical
Description
In the Linux kernel, the following vulnerability has been resolved: crypto: cavium/cpt - fix DMA cleanup using wrong loop index The sg_cleanup error path used list[i] instead of list[j] when unmapping DMA buffers, leaking successfully mapped entries and repeatedly unmapping the failed one.
SeverityCritical
CVSS10.0
Exploit probability—
Product
Linux
PublishedAug 15, 2026
First seenAug 15, 2026
How to fix
Update
- Linux Linux23c6174e48f66fc10b998b0acdb406cb0caf5c80, 23d3a7e896a1fe2d7a6bcb42f093948b79f8a198, 28141f95ae93b18f9bfde953cb787fcb151fb9da, 8afd1007ef79898a6e010eaade97097e49405fce, 3b8a1e1f4e4071a62b20374028744e8cc8310d48, fb4d57b83356d4bd411b45ede3024e0ff42c9b5e, d319b83b97b3585550d9ae592dfa78c755b6129e, 9dbf173bd32d5f81b005008b682bfb50aa093455 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux Linux | c694b233295b99c33dd5ac28aede9f171f5a6862 ≤ v < 23c6174e48f66fc10b998b0acdb406cb0caf5c80, c694b233295b99c33dd5ac28aede9f171f5a6862 ≤ v < 23d3a7e896a1fe2d7a6bcb42f093948b79f8a198, c694b233295b99c33dd5ac28aede9f171f5a6862 ≤ v < 28141f95ae93b18f9bfde953cb787fcb151fb9da, c694b233295b99c33dd5ac28aede9f171f5a6862 ≤ v < 8afd1007ef79898a6e010eaade97097e49405fce, c694b233295b99c33dd5ac28aede9f171f5a6862 ≤ v < 3b8a1e1f4e4071a62b20374028744e8cc8310d48, c694b233295b99c33dd5ac28aede9f171f5a6862 ≤ v < fb4d57b83356d4bd411b45ede3024e0ff42c9b5e, c694b233295b99c33dd5ac28aede9f171f5a6862 ≤ v < d319b83b97b3585550d9ae592dfa78c755b6129e, c694b233295b99c33dd5ac28aede9f171f5a6862 ≤ v < 9dbf173bd32d5f81b005008b682bfb50aa093455, 4.11 | 23c6174e48f66fc10b998b0acdb406cb0caf5c80, 23d3a7e896a1fe2d7a6bcb42f093948b79f8a198, 28141f95ae93b18f9bfde953cb787fcb151fb9da, 8afd1007ef79898a6e010eaade97097e49405fce, 3b8a1e1f4e4071a62b20374028744e8cc8310d48, fb4d57b83356d4bd411b45ede3024e0ff42c9b5e, d319b83b97b3585550d9ae592dfa78c755b6129e, 9dbf173bd32d5f81b005008b682bfb50aa093455 |
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