CVE & CISA-KEV Catalog

CVE-2019-19065

MEDIUM
4.7
CVSS v3
NVD

Description

A memory leak in the sdma_init() function in drivers/infiniband/hw/hfi1/sdma.c in the Linux kernel before 5.3.9 allows attackers to cause a denial of service (memory consumption) by triggering rhashtable_init() failures, aka CID-34b3be18a04e. NOTE: This has been disputed as not a vulnerability because "rhashtable_init() can only fail if it is passed invalid values in the second parameter's struct, but when invoked from sdma_init() that is a pointer to a static const struct, so an attacker could only trigger failure if they could corrupt kernel memory (in which case a small memory leak is not a significant problem).

How to fix

Remediation Available
linuxDebian
Fixed in:5.3.9-1CVE-2019-19065
Fixed in:5.3.9-1CVE-2019-19065
Fixed in:5.3.9-1CVE-2019-19065
Fixed in:5.3.9-1CVE-2019-19065
linuxUbuntu
Fixed in:4.15.0-72.81USN-4210-1
linux-awsUbuntu
Fixed in:4.15.0-1056.58USN-4210-1
linux-aws-5.0Ubuntu
Fixed in:5.0.0-1023.26~18.04.1USN-4226-1
linux-aws-hweUbuntu
Fixed in:4.15.0-1056.58~16.04.1USN-4210-1
linux-azureUbuntu
Fixed in:5.0.0-1028.30~18.04.1USN-4226-1
linux-gcpUbuntu
Fixed in:4.15.0-1050.53USN-4210-1
linux-gcp-5.3Ubuntu
Fixed in:5.3.0-1009.10~18.04.1USN-4208-1
linux-gke-4.15Ubuntu
Fixed in:4.15.0-1049.52USN-4210-1
linux-gke-5.0Ubuntu
Fixed in:5.0.0-1027.28~18.04.1USN-4226-1
linux-hweUbuntu
Fixed in:4.15.0-72.81~16.04.1USN-4210-1
linux-image-4.15.0-1030-oracleUbuntu
Fixed in:4.15.0-1030.33~16.04.1USN-4210-1
Fixed in:4.15.0-1030.33USN-4210-1
linux-image-4.15.0-1049-gkeUbuntu
Fixed in:4.15.0-1049.52USN-4210-1
linux-image-4.15.0-1050-gcpUbuntu
Fixed in:4.15.0-1050.53USN-4210-1
linux-image-4.15.0-1051-kvmUbuntu
Fixed in:4.15.0-1051.51USN-4210-1
linux-image-4.15.0-1052-raspi2Ubuntu
Fixed in:4.15.0-1052.56USN-4210-1
linux-image-4.15.0-1056-awsUbuntu
Fixed in:4.15.0-1056.58~16.04.1USN-4210-1
Fixed in:4.15.0-1056.58USN-4210-1
linux-image-4.15.0-1065-oemUbuntu
Fixed in:4.15.0-1065.75USN-4210-1
linux-image-4.15.0-1069-snapdragonUbuntu
Fixed in:4.15.0-1069.76USN-4210-1
linux-image-4.15.0-72-genericUbuntu
Fixed in:4.15.0-72.81~16.04.1USN-4210-1
Fixed in:4.15.0-72.81USN-4210-1
linux-image-4.15.0-72-generic-lpaeUbuntu
Fixed in:4.15.0-72.81~16.04.1USN-4210-1
Fixed in:4.15.0-72.81USN-4210-1
linux-image-4.15.0-72-lowlatencyUbuntu
Fixed in:4.15.0-72.81~16.04.1USN-4210-1
Fixed in:4.15.0-72.81USN-4210-1
linux-image-5.0.0-1009-oracleUbuntu
Fixed in:5.0.0-1009.14~18.04.1USN-4226-1
linux-image-5.0.0-1023-awsUbuntu
Fixed in:5.0.0-1023.26~18.04.1USN-4226-1
linux-image-5.0.0-1027-gkeUbuntu
Fixed in:5.0.0-1027.28~18.04.1USN-4226-1
linux-image-5.0.0-1028-azureUbuntu
Fixed in:5.0.0-1028.30~18.04.1USN-4226-1
linux-image-5.0.0-1033-oem-osp1Ubuntu
Fixed in:5.0.0-1033.38USN-4226-1
linux-image-5.3.0-1009-gcpUbuntu
Fixed in:5.3.0-1009.10~18.04.1USN-4208-1
linux-image-awsUbuntu
Fixed in:4.15.0.1056.57USN-4210-1
linux-image-aws-edgeUbuntu
Fixed in:5.0.0.1023.37USN-4226-1
linux-image-aws-hweUbuntu
Fixed in:4.15.0.1056.56USN-4210-1
linux-image-aws-lts-18.04Ubuntu
Fixed in:4.15.0.1056.57USN-4210-1
linux-image-azureUbuntu
Fixed in:5.0.0.1028.39USN-4226-1
linux-image-gcpUbuntu
Fixed in:4.15.0.1050.64USN-4210-1
linux-image-gcp-edgeUbuntu
Fixed in:5.3.0.1009.9USN-4208-1
linux-image-genericUbuntu
Fixed in:4.15.0.72.74USN-4210-1
linux-image-generic-hwe-16.04Ubuntu
Fixed in:4.15.0.72.92USN-4210-1
linux-image-generic-lpaeUbuntu
Fixed in:4.15.0.72.74USN-4210-1
linux-image-generic-lpae-hwe-16.04Ubuntu
Fixed in:4.15.0.72.92USN-4210-1
linux-image-gkeUbuntu
Fixed in:4.15.0.1050.64USN-4210-1
Fixed in:4.15.0.1049.52USN-4210-1
linux-image-gke-4.15Ubuntu
Fixed in:4.15.0.1049.52USN-4210-1
linux-image-gke-5.0Ubuntu
Fixed in:5.0.0.1027.16USN-4226-1
linux-image-kvmUbuntu
Fixed in:4.15.0.1051.51USN-4210-1
linux-image-lowlatencyUbuntu
Fixed in:4.15.0.72.74USN-4210-1
linux-image-lowlatency-hwe-16.04Ubuntu
Fixed in:4.15.0.72.92USN-4210-1
linux-image-oemUbuntu
Fixed in:4.15.0.72.92USN-4210-1
Fixed in:4.15.0.1065.69USN-4210-1
linux-image-oem-osp1Ubuntu
Fixed in:5.0.0.1033.37USN-4226-1
linux-image-oracleUbuntu
Fixed in:4.15.0.1030.23USN-4210-1
Fixed in:4.15.0.1030.35USN-4210-1
linux-image-oracle-edgeUbuntu
Fixed in:5.0.0.1009.8USN-4226-1
linux-image-oracle-lts-18.04Ubuntu
Fixed in:4.15.0.1030.35USN-4210-1
linux-image-raspi2Ubuntu
Fixed in:4.15.0.1052.50USN-4210-1
linux-image-snapdragonUbuntu
Fixed in:4.15.0.1069.72USN-4210-1
linux-image-virtualUbuntu
Fixed in:4.15.0.72.74USN-4210-1
linux-image-virtual-hwe-16.04Ubuntu
Fixed in:4.15.0.72.92USN-4210-1
linux-kvmUbuntu
Fixed in:4.15.0-1051.51USN-4210-1
linux-oemUbuntu
Fixed in:4.15.0-1065.75USN-4210-1
linux-oem-osp1Ubuntu
Fixed in:5.0.0-1033.38USN-4226-1
linux-oracleUbuntu
Fixed in:4.15.0-1030.33~16.04.1USN-4210-1
Fixed in:4.15.0-1030.33USN-4210-1
linux-oracle-5.0Ubuntu
Fixed in:5.0.0-1009.14~18.04.1USN-4226-1
linux-raspi2Ubuntu
Fixed in:4.15.0-1052.56USN-4210-1
linux-snapdragonUbuntu
Fixed in:4.15.0-1069.76USN-4210-1

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 ComplexityHigh
Privileges RequiredLow
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityNone
IntegrityNone
AvailabilityHigh

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

Exploit Intelligence

0.49%probability of exploitation in 30 days
39thpercentile

Low risk: more likely to be exploited than 39% of all known CVEs.

References

Related Vulnerabilities

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

CVESeverityCVSSEPSSExploitedFix
CVE-2020-13934High7.564%-Fix
CVE-2016-6304High7.563%-Fix
CVE-2019-12265Medium5.355%-Fix
CVE-2001-0136Medium5.045%--
CVE-2016-4232High7.536%--
CVE-2001-0543Medium5.021%--
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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.