Critical 10.0Published Aug 15, 2026

CVE-2026-74279crypto: cavium/cpt - fix DMA cleanup using wrong loop index

Updated under an hour ago (Oct 27, 2026, 6:50 PM ET)

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Exploited in the last 30 days

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.

CVSS: 10.0 CRITICAL (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Received
Record last updated: Oct 16, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from c694b233295b99c33dd5ac28aede9f171f5a6862 before 23c6174e48f66fc10b998b0acdb406cb0caf5c80; from c694b233295b99c33dd5ac28aede9f171f5a6862 before 23d3a7e896a1fe2d7a6bcb42f093948b79f8a198; from c694b233295b99c33dd5ac28aede9f171f5a6862 before 28141f95ae93b18f9bfde953cb787fcb151fb9da; from c694b233295b99c33dd5ac28aede9f171f5a6862 before 8afd1007ef79898a6e010eaade97097e49405fce; from c694b233295b99c33dd5ac28aede9f171f5a6862 before 3b8a1e1f4e4071a62b20374028744e8cc8310d48; from c694b233295b99c33dd5ac28aede9f171f5a6862 before fb4d57b83356d4bd411b45ede3024e0ff42c9b5e; from c694b233295b99c33dd5ac28aede9f171f5a6862 before d319b83b97b3585550d9ae592dfa78c755b6129e; from c694b233295b99c33dd5ac28aede9f171f5a6862 before 9dbf173bd32d5f81b005008b682bfb50aa093455	CNA record

References

References

https://git.kernel.org/stable/c/23c6174e48f66fc10b998b0acdb406cb0caf5c80
https://git.kernel.org/stable/c/23d3a7e896a1fe2d7a6bcb42f093948b79f8a198
https://git.kernel.org/stable/c/28141f95ae93b18f9bfde953cb787fcb151fb9da
https://git.kernel.org/stable/c/8afd1007ef79898a6e010eaade97097e49405fce
https://git.kernel.org/stable/c/3b8a1e1f4e4071a62b20374028744e8cc8310d48
https://git.kernel.org/stable/c/fb4d57b83356d4bd411b45ede3024e0ff42c9b5e
https://git.kernel.org/stable/c/d319b83b97b3585550d9ae592dfa78c755b6129e
https://git.kernel.org/stable/c/9dbf173bd32d5f81b005008b682bfb50aa093455

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.