CVE-2026-74279: crypto: cavium/cpt - fix DMA cleanup using wrong loop index
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.
Affected Software
Event History
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.