CVE & CISA-KEV Catalog

CVE-2019-19055

MEDIUM
5.5
CVSS v3
NVD

Description

A memory leak in the nl80211_get_ftm_responder_stats() function in net/wireless/nl80211.c in the Linux kernel through 5.3.11 allows attackers to cause a denial of service (memory consumption) by triggering nl80211hdr_put() failures, aka CID-1399c59fa929. NOTE: third parties dispute the relevance of this because it occurs on a code path where a successful allocation has already occurred

How to fix

Remediation Available
linuxDebian
Fixed in:5.4.6-1CVE-2019-19055
Fixed in:5.4.6-1CVE-2019-19055
Fixed in:5.4.6-1CVE-2019-19055
Fixed in:5.4.6-1CVE-2019-19055
linux-aws-5.0Ubuntu
Fixed in:5.0.0-1023.26~18.04.1USN-4226-1
linux-azureUbuntu
Fixed in:5.0.0-1028.30~18.04.1USN-4226-1
linux-azure-5.3Ubuntu
Fixed in:5.3.0-1009.10~18.04.1USN-4225-1
linux-gcp-5.3Ubuntu
Fixed in:5.3.0-1010.11~18.04.1USN-4225-1
linux-gke-5.0Ubuntu
Fixed in:5.0.0-1027.28~18.04.1USN-4226-1
linux-hweUbuntu
Fixed in:5.3.0-26.28~18.04.1USN-4225-2
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-azureUbuntu
Fixed in:5.3.0-1009.10~18.04.1USN-4225-1
linux-image-5.3.0-1010-gcpUbuntu
Fixed in:5.3.0-1010.11~18.04.1USN-4225-1
linux-image-5.3.0-26-genericUbuntu
Fixed in:5.3.0-26.28~18.04.1USN-4225-2
linux-image-5.3.0-26-generic-lpaeUbuntu
Fixed in:5.3.0-26.28~18.04.1USN-4225-2
linux-image-5.3.0-26-lowlatencyUbuntu
Fixed in:5.3.0-26.28~18.04.1USN-4225-2
linux-image-aws-edgeUbuntu
Fixed in:5.0.0.1023.37USN-4226-1
linux-image-azureUbuntu
Fixed in:5.0.0.1028.39USN-4226-1
linux-image-azure-edgeUbuntu
Fixed in:5.3.0.1009.9USN-4225-1
linux-image-gcp-edgeUbuntu
Fixed in:5.3.0.1010.10USN-4225-1
linux-image-generic-hwe-18.04Ubuntu
Fixed in:5.3.0.26.95USN-4225-2
linux-image-generic-lpae-hwe-18.04Ubuntu
Fixed in:5.3.0.26.95USN-4225-2
linux-image-gke-5.0Ubuntu
Fixed in:5.0.0.1027.16USN-4226-1
linux-image-lowlatency-hwe-18.04Ubuntu
Fixed in:5.3.0.26.95USN-4225-2
linux-image-oem-osp1Ubuntu
Fixed in:5.0.0.1033.37USN-4226-1
linux-image-oracle-edgeUbuntu
Fixed in:5.0.0.1009.8USN-4226-1
linux-image-snapdragon-hwe-18.04Ubuntu
Fixed in:5.3.0.26.95USN-4225-2
linux-image-virtual-hwe-18.04Ubuntu
Fixed in:5.3.0.26.95USN-4225-2
linux-oem-osp1Ubuntu
Fixed in:5.0.0-1033.38USN-4226-1
linux-oracle-5.0Ubuntu
Fixed in:5.0.0-1009.14~18.04.1USN-4226-1

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

0.41%probability of exploitation in 30 days
33rdpercentile

Low risk: more likely to be exploited than 33% 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.