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CVE-2021-46943

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

Description (CNA)

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 (CNA)

Vendor / productVersions
Linux / Linuxaffected 6d5f26f2e045f2377b524516194657c00efbbce8 before a03fb1e8a110658215a4cefc3e2ad53279e496a6; affected 6d5f26f2e045f2377b524516194657c00efbbce8 before c6b81b897f6f9445d57f8d47c4e060ec21556137; affected 6d5f26f2e045f2377b524516194657c00efbbce8 before 34892ea938387d83ffcfb7775ec55f0f80767916; affected 6d5f26f2e045f2377b524516194657c00efbbce8 before 6fb617e37a39db0a3eca4489431359d0bdf3b9bc; affected 6d5f26f2e045f2377b524516194657c00efbbce8 before ad91849996f9dd79741a961fd03585a683b08356
Linux / Linuxaffected 5.2; unaffected 0 before 5.2; unaffected 5.4.118 through 5.4.*; unaffected 5.10.36 through 5.10.*; unaffected 5.11.20 through 5.11.*; unaffected 5.12.3 through 5.12.*; unaffected 5.13 through *

CWE

No CWE identifiers supplied.

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.

CVE

No English description supplied.