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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities
NOTICE UPDATED - April, 25th 2024

NIST has updated the NVD program announcement page with additional information regarding recent concerns and the temporary delays in enrichment efforts.

CVE-2021-46943 Detail

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


Severity

 


CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score:  7.8 HIGH
Vector:  CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H


NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.

Note: NVD Analysts have published a CVSS score for this CVE based on publicly available information at the time of analysis. The CNA has not provided a score within the CVE List.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://git.kernel.org/stable/c/34892ea938387d83ffcfb7775ec55f0f80767916 Patch 
https://git.kernel.org/stable/c/6fb617e37a39db0a3eca4489431359d0bdf3b9bc Patch 
https://git.kernel.org/stable/c/a03fb1e8a110658215a4cefc3e2ad53279e496a6 Patch 
https://git.kernel.org/stable/c/ad91849996f9dd79741a961fd03585a683b08356 Patch 
https://git.kernel.org/stable/c/c6b81b897f6f9445d57f8d47c4e060ec21556137 Patch 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-131 Incorrect Calculation of Buffer Size cwe source acceptance level NIST  

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Change History

2 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2021-46943
NVD Published Date:
02/27/2024
NVD Last Modified:
04/10/2024
Source:
kernel.org