VYPR
Unrated severityNVD Advisory· Published May 22, 2024· Updated May 4, 2025

IB/qib: Protect from buffer overflow in struct qib_user_sdma_pkt fields

CVE-2021-47485

Description

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

IB/qib: Protect from buffer overflow in struct qib_user_sdma_pkt fields

Overflowing either addrlimit or bytes_togo can allow userspace to trigger a buffer overflow of kernel memory. Check for overflows in all the places doing math on user controlled buffers.

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Affected products

196

Patches

Vulnerability mechanics

References

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