Is CVE-2021-46943 in the CISA KEV catalog?

No. CVE-2021-46943 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-46943?

CVE-2021-46943 has a CVSS v3 base score of 7.8 (HIGH).

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

CVE-2021-46943 has an EPSS score of 0.23% (14th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-46943?

Upgrade linux on debian 11 to 5.10.38-1 or later.

CVE & CISA-KEV Catalog

CVE-2021-46943

HIGH

7.8

CVSS v3

NVD

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

CWE-131

How to fix

Remediation Available

linuxDebian

Fixed in:5.10.38-1CVE-2021-46943

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.23%probability of exploitation in 30 days

14thpercentile

Low risk: more likely to be exploited than 14% of all known CVEs.

References

Patch5

Related Vulnerabilities

Other CWE-131 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-36824	High	7.4	75%	-	Fix
CVE-2020-8450	High	7.3	72%	-	Fix
CVE-2020-6113	High	7.8	69%	-	-
CVE-2026-42945	Critical	8.1	61%	-	Fix
CVE-2020-6116	High	7.8	28%	-	-
CVE-2005-3120	Critical	9.8	23%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.