CVE-2021-46943

media: staging/intel-ipu3: Fix set_fmt error handling

published February 27, 2024

CVSS
—
EPSS
0%
Percentile
13.5
In the wild
Unconfirmed
What it is

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

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00234 · 13.5th percentile
Published
2024-02-27T18:40Z
EPSS history
Timeline
  • 27 FEB 18:40Z
    media: staging/intel-ipu3: Fix set_fmt error handling
    cvelistv5