CVE-2021-46943
Intel IPU3 Video Driver - Set Fmt Error Handling Vulnerability
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
INFO
Published Date :
Feb. 27, 2024, 7:04 p.m.
Last Modified :
April 10, 2024, 7:54 p.m.
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Remotely Exploitable :
No
Impact Score :
5.9
Exploitability Score :
1.8
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2021-46943.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
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The following list is the news that have been mention
CVE-2021-46943 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-46943 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
May. 28, 2024
Action Type Old Value New Value -
CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
May. 14, 2024
Action Type Old Value New Value -
Initial Analysis by [email protected]
Apr. 10, 2024
Action Type Old Value New Value Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://git.kernel.org/stable/c/34892ea938387d83ffcfb7775ec55f0f80767916 No Types Assigned https://git.kernel.org/stable/c/34892ea938387d83ffcfb7775ec55f0f80767916 Patch Changed Reference Type https://git.kernel.org/stable/c/6fb617e37a39db0a3eca4489431359d0bdf3b9bc No Types Assigned https://git.kernel.org/stable/c/6fb617e37a39db0a3eca4489431359d0bdf3b9bc Patch Changed Reference Type https://git.kernel.org/stable/c/a03fb1e8a110658215a4cefc3e2ad53279e496a6 No Types Assigned https://git.kernel.org/stable/c/a03fb1e8a110658215a4cefc3e2ad53279e496a6 Patch Changed Reference Type https://git.kernel.org/stable/c/ad91849996f9dd79741a961fd03585a683b08356 No Types Assigned https://git.kernel.org/stable/c/ad91849996f9dd79741a961fd03585a683b08356 Patch Changed Reference Type https://git.kernel.org/stable/c/c6b81b897f6f9445d57f8d47c4e060ec21556137 No Types Assigned https://git.kernel.org/stable/c/c6b81b897f6f9445d57f8d47c4e060ec21556137 Patch Added CWE NIST CWE-131 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.2.0 up to (excluding) 5.4.118 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.5.0 up to (excluding) 5.10.36 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11.0 up to (excluding) 5.11.20 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.12.0 up to (excluding) 5.12.3 -
CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Feb. 27, 2024
Action Type Old Value New Value Added 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 Added Reference Linux https://git.kernel.org/stable/c/a03fb1e8a110658215a4cefc3e2ad53279e496a6 [No types assigned] Added Reference Linux https://git.kernel.org/stable/c/c6b81b897f6f9445d57f8d47c4e060ec21556137 [No types assigned] Added Reference Linux https://git.kernel.org/stable/c/34892ea938387d83ffcfb7775ec55f0f80767916 [No types assigned] Added Reference Linux https://git.kernel.org/stable/c/6fb617e37a39db0a3eca4489431359d0bdf3b9bc [No types assigned] Added Reference Linux https://git.kernel.org/stable/c/ad91849996f9dd79741a961fd03585a683b08356 [No types assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-46943 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2021-46943
weaknesses.