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

Published Aug 15, 2026

Updated

In the Linux kernel, the following vulnerability has been resolved:

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

The sgcleanup error path used list[i] instead of list[j] when unmapping DMA buffers, leaking successfully mapped entries and repeatedly unmapping the failed one.

Event History

Aug 15, 2026

CVE Published

via MITRE·05:57 AM

Data Sourced

via MITRE·05:57 AM

Description

Frequently Asked Questions

What is the severity of CVE-2026-74279?

CVE-2026-74279 has been assigned a risk score of 27, indicating a significant vulnerability.

How do I fix CVE-2026-74279?

To fix CVE-2026-74279, ensure that you update your Linux kernel to the latest version that includes the fix for this vulnerability.

What systems are affected by CVE-2026-74279?

CVE-2026-74279 affects systems running the affected versions of the Linux kernel with the cavium/cpt crypto driver.

What kind of issues does CVE-2026-74279 cause?

CVE-2026-74279 can lead to memory leaks and improper DMA buffer management due to the incorrect loop index in the sg_cleanup error path.

When was CVE-2026-74279 published?

CVE-2026-74279 was published on August 15, 2026.

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

Event History

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Frequently Asked Questions

What is the severity of CVE-2026-74279?

How do I fix CVE-2026-74279?

What systems are affected by CVE-2026-74279?

What kind of issues does CVE-2026-74279 cause?

When was CVE-2026-74279 published?

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Frequently Asked Questions

What is the severity of CVE-2026-74279?

How do I fix CVE-2026-74279?

What systems are affected by CVE-2026-74279?

What kind of issues does CVE-2026-74279 cause?

When was CVE-2026-74279 published?