# CVE-2021-46943: linux: In the Linux kernel, the following vulnerability has been resolved:  media: staging/intel-ipu3: Fix set_fmt error han...

CVE-2021-46943 is fixed in linux on 1 platform, first by DEBIAN-CVE-2021-46943, released February 27, 2024. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2021-46943
- Priority: High
- CVSS: 7.8 (high)
- EPSS: 0.0023
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Feb 27, 2024

## Description

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

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | linux Debian 12.15 (bookworm) | 5.10.38-1 | [DEBIAN-CVE-2021-46943](https://patchblox.com/security/data/fix/linux/debian-cve-2021-46943.md) | Feb 27, 2024 |
| Linux | linux Debian 13.5 (trixie) | 5.10.38-1 | [DEBIAN-CVE-2021-46943](https://patchblox.com/security/data/fix/linux/debian-cve-2021-46943.md) | Feb 27, 2024 |
| Linux | linux Debian 14 | 5.10.38-1 | [DEBIAN-CVE-2021-46943](https://patchblox.com/security/data/fix/linux/debian-cve-2021-46943.md) | Feb 27, 2024 |

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