Is CVE-2019-19043 in the CISA KEV catalog?

No. CVE-2019-19043 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2019-19043?

CVE-2019-19043 has a CVSS v3 base score of 5.5 (MEDIUM).

What is the EPSS score for CVE-2019-19043?

CVE-2019-19043 has an EPSS score of 0.39% (31th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2019-19043?

Upgrade linux on debian 11 to 5.4.19-1 or later. Fixes are available for 22 affected products.

CVE & CISA-KEV Catalog

CVE-2019-19043

MEDIUM

5.5

CVSS v3

NVD

Description

A memory leak in the i40e_setup_macvlans() function in drivers/net/ethernet/intel/i40e/i40e_main.c in the Linux kernel through 5.3.11 allows attackers to cause a denial of service (memory consumption) by triggering i40e_setup_channel() failures, aka CID-27d461333459.

CWE-401Missing Release of Memory (Memory Leak)

How to fix

Remediation Available

linuxDebian

Fixed in:5.4.19-1CVE-2019-19043

linux-azure-5.3Ubuntu

Fixed in:5.3.0-1016.17~18.04.1USN-4300-1

linux-gcp-5.3Ubuntu

Fixed in:5.3.0-1014.15~18.04.1USN-4300-1

linux-gke-5.3Ubuntu

Fixed in:5.3.0-1014.15~18.04.1USN-4300-1

linux-hweUbuntu

Fixed in:5.3.0-42.34~18.04.1USN-4300-1

linux-image-5.3.0-1014-gcpUbuntu

Fixed in:5.3.0-1014.15~18.04.1USN-4300-1

linux-image-5.3.0-1014-gkeUbuntu

Fixed in:5.3.0-1014.15~18.04.1USN-4300-1

linux-image-5.3.0-1016-azureUbuntu

Fixed in:5.3.0-1016.17~18.04.1USN-4300-1

linux-image-5.3.0-1019-raspi2Ubuntu

Fixed in:5.3.0-1019.21~18.04.1USN-4300-1

linux-image-5.3.0-42-genericUbuntu

Fixed in:5.3.0-42.34~18.04.1USN-4300-1

linux-image-5.3.0-42-generic-lpaeUbuntu

Fixed in:5.3.0-42.34~18.04.1USN-4300-1

linux-image-5.3.0-42-lowlatencyUbuntu

Fixed in:5.3.0-42.34~18.04.1USN-4300-1

linux-image-azure-edgeUbuntu

Fixed in:5.3.0.1016.16USN-4300-1

linux-image-gcp-edgeUbuntu

Fixed in:5.3.0.1014.13USN-4300-1

linux-image-generic-hwe-18.04Ubuntu

Fixed in:5.3.0.42.99USN-4300-1

linux-image-generic-lpae-hwe-18.04Ubuntu

Fixed in:5.3.0.42.99USN-4300-1

linux-image-gke-5.3Ubuntu

Fixed in:5.3.0.1014.4USN-4300-1

linux-image-lowlatency-hwe-18.04Ubuntu

Fixed in:5.3.0.42.99USN-4300-1

linux-image-raspi2-hwe-18.04Ubuntu

Fixed in:5.3.0.1019.8USN-4300-1

linux-image-snapdragon-hwe-18.04Ubuntu

Fixed in:5.3.0.42.99USN-4300-1

linux-image-virtual-hwe-18.04Ubuntu

Fixed in:5.3.0.42.99USN-4300-1

linux-raspi2-5.3Ubuntu

Fixed in:5.3.0-1019.21~18.04.1USN-4300-1

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

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

0.39%probability of exploitation in 30 days

31stpercentile

Low risk: more likely to be exploited than 31% of all known CVEs.

References

Patch1

github.com

Third-Party Advisory2

Other references2

Related Vulnerabilities

Other CWE-401 (Missing Release of Memory (Memory Leak)) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2020-13934	High	7.5	64%	-	Fix
CVE-2016-6304	High	7.5	63%	-	Fix
CVE-2019-12265	Medium	5.3	55%	-	Fix
CVE-2001-0136	Medium	5.0	45%	-	-
CVE-2016-4232	High	7.5	36%	-	-
CVE-2001-0543	Medium	5.0	21%	-	-

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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.