Vulnerability Intelligence Report
crypto: cavium/cpt - fix DMA cleanup using wrong loop index
CVE-2026-74279
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.
No Active Exploit Signals
CVSS Base Score
10.0
CRITICAL
Exploitability:3.9
Impact Score:6.1
EPSS Probability:0.18%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
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Weaponization
—
SSVC Action
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Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| Linux | Linux | c694b233295b99c33dd5ac28aede9f171f5a6862 < 23c6174e48f66fc10b998b0acdb406cb0caf5c80 (affected), c694b233295b99c33dd5ac28aede9f171f5a6862 < 23d3a7e896a1fe2d7a6bcb42f093948b79f8a198 (affected), c694b233295b99c33dd5ac28aede9f171f5a6862 < 28141f95ae93b18f9bfde953cb787fcb151fb9da (affected), c694b233295b99c33dd5ac28aede9f171f5a6862 < 8afd1007ef79898a6e010eaade97097e49405fce (affected), c694b233295b99c33dd5ac28aede9f171f5a6862 < 3b8a1e1f4e4071a62b20374028744e8cc8310d48 (affected), c694b233295b99c33dd5ac28aede9f171f5a6862 < fb4d57b83356d4bd411b45ede3024e0ff42c9b5e (affected), c694b233295b99c33dd5ac28aede9f171f5a6862 < d319b83b97b3585550d9ae592dfa78c755b6129e (affected), c694b233295b99c33dd5ac28aede9f171f5a6862 < 9dbf173bd32d5f81b005008b682bfb50aa093455 (affected) |
| Linux | Linux | 4.11 (affected), 0 < 4.11 (unaffected), 5.10.261 <= 5.10.* (unaffected), 5.15.212 <= 5.15.* (unaffected), 6.1.178 <= 6.1.* (unaffected), 6.6.145 <= 6.6.* (unaffected), 6.12.97 <= 6.12.* (unaffected), 6.18.40 <= 6.18.* (unaffected), 7.1.5 <= 7.1.* (unaffected), 7.2 <= * (unaffected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
0.176%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | kernel.org · Vendor · USA |
| Reserved | 2026-08-15T05:44:03 |
| Published | 2026-08-15T05:57:50 |
| Last Updated | 2026-08-17T05:45:20 |
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