CVE-2021-46943 - OpenCVE

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

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Key SSVC decision points have not yet been added.

Vendors	Products
Linux	Linux Kernel

Configuration 1 [-]

OR	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::

No data.

References

Link	Providers
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
https://lore.kernel.org/linux-cve-announce/20240227184057.2368370-8-gregkh@linuxfoundation.org/T/#u
https://nvd.nist.gov/vuln/detail/CVE-2021-46943
https://www.cve.org/CVERecord?id=CVE-2021-46943

History

No history.

MITRE

Status: PUBLISHED

Assigner: Linux

Published: 2024-02-27T18:40:29.903Z

Updated: 2024-08-04T05:17:42.870Z

Reserved: 2024-02-25T13:45:52.721Z

Link: CVE-2021-46943

Vulnrichment

Updated: 2024-08-04T05:17:42.870Z

NVD

Status : Analyzed

Published: 2024-02-27T19:04:06.063

Modified: 2024-04-10T19:54:14.133

Link: CVE-2021-46943

Redhat

Severity : Moderate

Publid Date: 2024-02-27T00:00:00Z

Links: CVE-2021-46943 - Bugzilla

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