vulnerability
Ubuntu: (CVE-2021-46943): linux vulnerability
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:L/AC:L/Au:S/C:C/I:C/A:C) | Feb 27, 2024 | Nov 19, 2024 | Sep 1, 2025 |
Severity
7
CVSS
(AV:L/AC:L/Au:S/C:C/I:C/A:C)
Published
Feb 27, 2024
Added
Nov 19, 2024
Modified
Sep 1, 2025
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
Solutions
ubuntu-upgrade-linuxubuntu-upgrade-linux-awsubuntu-upgrade-linux-aws-5-4ubuntu-upgrade-linux-aws-fipsubuntu-upgrade-linux-azureubuntu-upgrade-linux-azure-5-4ubuntu-upgrade-linux-azure-fipsubuntu-upgrade-linux-bluefieldubuntu-upgrade-linux-fipsubuntu-upgrade-linux-gcpubuntu-upgrade-linux-gcp-5-4ubuntu-upgrade-linux-gcp-fipsubuntu-upgrade-linux-gkeopubuntu-upgrade-linux-hwe-5-4ubuntu-upgrade-linux-kvmubuntu-upgrade-linux-oracleubuntu-upgrade-linux-oracle-5-4ubuntu-upgrade-linux-raspiubuntu-upgrade-linux-raspi-5-4
References
- CVE-2021-46943
- https://attackerkb.com/topics/CVE-2021-46943
- CWE-131
- URL-https://git.kernel.org/linus/ad91849996f9dd79741a961fd03585a683b08356
- URL-https://git.kernel.org/stable/c/34892ea938387d83ffcfb7775ec55f0f80767916
- URL-https://git.kernel.org/stable/c/6fb617e37a39db0a3eca4489431359d0bdf3b9bc
- URL-https://git.kernel.org/stable/c/a03fb1e8a110658215a4cefc3e2ad53279e496a6
- URL-https://git.kernel.org/stable/c/ad91849996f9dd79741a961fd03585a683b08356
- URL-https://git.kernel.org/stable/c/c6b81b897f6f9445d57f8d47c4e060ec21556137
- URL-https://www.cve.org/CVERecord?id=CVE-2021-46943
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