What is CVE-2021-46943?

CVE-2021-46943 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10. CVE-2021-46943 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2021-46943?

CVE-2021-46943 has a CVSS score of 7.8 out of 10, rated High severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Is there a patch available for CVE-2021-46943?

No patch is currently available for CVE-2021-46943. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2021-46943 actively exploited?

CVE-2021-46943 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2021-46943

High

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

Package Linux Kernel

Published 2024-02-27

Last modified 2024-11-21

CVSS version 3.1

Patch available

Awaiting data

CVSS 3.1 score

7.8

out of 10

High

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Vector string

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness type

CWE-131

CVE-2021-46943 is classified as CWE-131

See CWE-131 on MITRE CWE for full details on this weakness type.

References

The following references provide additional information about CVE-2021-46943 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Kernel patch commit
https://git.kernel.org/stable/c/34892ea938387d83ffcfb7775ec55f0f80767916
Patch
Kernel patch commit
https://git.kernel.org/stable/c/6fb617e37a39db0a3eca4489431359d0bdf3b9bc
Patch
Kernel patch commit
https://git.kernel.org/stable/c/a03fb1e8a110658215a4cefc3e2ad53279e496a6
Patch

5 patch commits total View all on NVD

Details

CVE ID CVE-2021-46943

Severity High

CVSS score 7.8 / 10

CVSS version 3.1

Published 2024-02-27

Modified 2024-11-21

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2021-46943?

CVE-2021-46943 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10 . CVE-2021-46943 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2021-46943?

CVE-2021-46943 has a CVSS score of 7.8 out of 10, rated High severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Is there a patch available for CVE-2021-46943?

No patch is currently available for CVE-2021-46943. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2021-46943 actively exploited?

No — CVE-2021-46943 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.