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CVE-2026-74279

CRITICALCVSS 10/10EPSS 0.18%

Last modified

CVE-2026-74279 is a critical-severity vulnerability rated 10/10 on the CVSS scale. 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.. EPSS estimates a 0.18% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
10/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

EPSS Probability
0.18%

7.5th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
LinuxLinux>= c694b233295b99c33dd5ac28aede9f171f5a6862, < 23c6174e48f66fc10b998b0acdb406cb0caf5c80; >= c694b233295b99c33dd5ac28aede9f171f5a6862, < 23d3a7e896a1fe2d7a6bcb42f093948b79f8a198; >= c694b233295b99c33dd5ac28aede9f171f5a6862, < 28141f95ae93b18f9bfde953cb787fcb151fb9da; >= c694b233295b99c33dd5ac28aede9f171f5a6862, < 8afd1007ef79898a6e010eaade97097e49405fce; >= c694b233295b99c33dd5ac28aede9f171f5a6862, < 3b8a1e1f4e4071a62b20374028744e8cc8310d48; >= c694b233295b99c33dd5ac28aede9f171f5a6862, < fb4d57b83356d4bd411b45ede3024e0ff42c9b5e; >= c694b233295b99c33dd5ac28aede9f171f5a6862, < d319b83b97b3585550d9ae592dfa78c755b6129e; >= c694b233295b99c33dd5ac28aede9f171f5a6862, < 9dbf173bd32d5f81b005008b682bfb50aa093455
LinuxLinux4.11

References

Timeline

Published
Last Modified
Status
Received

Frequently Asked Questions

What is 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.
How severe is CVE-2026-74279?
CVE-2026-74279 has a CVSS score of 10/10 (CRITICAL severity). The EPSS model estimates a 0.18% probability of exploitation in the next 30 days.
How do I fix CVE-2026-74279?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST