Executive Summary



This Alert is flagged as TOP 25 Common Weakness Enumeration from CWE/SANS. For more information, you can read this.
Informations
Name CVE-2021-46943 First vendor Publication 2024-02-27
Vendor Cve Last vendor Modification 2024-04-10

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Overall CVSS Score 7.8
Base Score 7.8 Environmental Score 7.8
impact SubScore 5.9 Temporal Score 7.8
Exploitabality Sub Score 1.8
 
Attack Vector Local Attack Complexity Low
Privileges Required Low User Interaction None
Scope Unchanged Confidentiality Impact High
Integrity Impact High Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector :
Cvss Base Score N/A Attack Range N/A
Cvss Impact Score N/A Attack Complexity N/A
Cvss Expoit Score N/A Authentication N/A
Calculate full CVSS 2.0 Vectors scores

Detail

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

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-46943

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-131 Incorrect Calculation of Buffer Size (CWE/SANS Top 25)

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 1
Os 3424

Sources (Detail)

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
Source Url

Alert History

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0
1
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Date Informations
2024-04-11 00:27:41
  • Multiple Updates
2024-02-28 17:27:37
  • Multiple Updates
2024-02-28 00:27:27
  • First insertion