CVE-2021-46943: Linux Kernel

High severity, CVSS 7.8. EPSS: 0.2% chance of exploitation in the next 30 days.

In the Linux kernel, the following vulnerability has been resolved: media: staging/intel-ipu3: Fix set_fmt error handling If there in an error during a set_fmt, do not overwrite the previous sizes with the invalid config. Without this patch, v4l2-compliance ends up allocating 4GiB of RAM and causing the following OOPs [ 38.662975] ipu3-imgu 0000:00:05.0: swiotlb buffer is full (sz: 4096 bytes) [ 38.662980] DMA: Out of SW-IOMMU space for 4096 bytes at device 0000:00:05.0 [ 38.663010] general protection fault: 0000 [#1] PREEMPT SMP

Affected products

• Linux Linux Kernel: from 5.2.0, before 5.4.118 (fixed in 5.4.118); from 5.5.0, before 5.10.36 (fixed in 5.10.36); from 5.11.0, before 5.11.20 (fixed in 5.11.20); from 5.12.0, before 5.12.3 (fixed in 5.12.3)

Published 2024-02-27. Last modified 2026-06-17.