CVE-2021-46943
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2021-46943
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-46943.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2021-46943
- Downstream
- Related
- Published
- 2024-02-27T19:04:06Z
- Modified
- 2025-08-09T20:01:28Z
- Severity
-
- 7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
- Summary
- [none]
- Details
-
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
- References
-
- https://git.kernel.org/stable/c/34892ea938387d83ffcfb7775ec55f0f80767916
- https://git.kernel.org/stable/c/6fb617e37a39db0a3eca4489431359d0bdf3b9bc
- https://git.kernel.org/stable/c/a03fb1e8a110658215a4cefc3e2ad53279e496a6
- https://git.kernel.org/stable/c/ad91849996f9dd79741a961fd03585a683b08356
- https://git.kernel.org/stable/c/c6b81b897f6f9445d57f8d47c4e060ec21556137