CVE & CISA-KEV Catalog

CVE-2019-19770

HIGHEPSS 82th pctl
8.2
CVSS v3
NVD

Description

In the Linux kernel 4.19.83, there is a use-after-free (read) in the debugfs_remove function in fs/debugfs/inode.c (which is used to remove a file or directory in debugfs that was previously created with a call to another debugfs function such as debugfs_create_file). NOTE: Linux kernel developers dispute this issue as not being an issue with debugfs, instead this is an issue with misuse of debugfs within blktrace

How to fix

Remediation Available
linuxDebian
Fixed in:5.7.17-1CVE-2019-19770
Fixed in:5.7.17-1CVE-2019-19770
Fixed in:5.7.17-1CVE-2019-19770
Fixed in:5.7.17-1CVE-2019-19770
linuxUbuntu
Fixed in:4.15.0-129.132USN-4680-1
linux-awsUbuntu
Fixed in:4.15.0-1091.96USN-4680-1
linux-aws-hweUbuntu
Fixed in:4.15.0-1091.96~16.04.1USN-4680-1
linux-azureUbuntu
Fixed in:4.15.0-1103.114~14.04.1USN-4680-1
Fixed in:4.15.0-1103.114~16.04.1USN-4680-1
linux-azure-4.15Ubuntu
Fixed in:4.15.0-1103.114USN-4680-1
linux-gcpUbuntu
Fixed in:4.15.0-1091.104~16.04.1USN-4680-1
linux-gcp-4.15Ubuntu
Fixed in:4.15.0-1091.104USN-4680-1
linux-gke-4.15Ubuntu
Fixed in:4.15.0-1077.82USN-4680-1
linux-hweUbuntu
Fixed in:4.15.0-129.132~16.04.1USN-4680-1
linux-image-4.15.0-1062-oracleUbuntu
Fixed in:4.15.0-1062.68~16.04.1USN-4680-1
Fixed in:4.15.0-1062.68USN-4680-1
linux-image-4.15.0-1077-gkeUbuntu
Fixed in:4.15.0-1077.82USN-4680-1
linux-image-4.15.0-1077-raspi2Ubuntu
Fixed in:4.15.0-1077.82USN-4680-1
linux-image-4.15.0-1082-kvmUbuntu
Fixed in:4.15.0-1082.84USN-4680-1
linux-image-4.15.0-1091-awsUbuntu
Fixed in:4.15.0-1091.96~16.04.1USN-4680-1
Fixed in:4.15.0-1091.96USN-4680-1
linux-image-4.15.0-1091-gcpUbuntu
Fixed in:4.15.0-1091.104~16.04.1USN-4680-1
Fixed in:4.15.0-1091.104USN-4680-1
linux-image-4.15.0-1094-snapdragonUbuntu
Fixed in:4.15.0-1094.103USN-4680-1
linux-image-4.15.0-1103-azureUbuntu
Fixed in:4.15.0-1103.114~14.04.1USN-4680-1
Fixed in:4.15.0-1103.114~16.04.1USN-4680-1
Fixed in:4.15.0-1103.114USN-4680-1
linux-image-4.15.0-129-genericUbuntu
Fixed in:4.15.0-129.132~16.04.1USN-4680-1
Fixed in:4.15.0-129.132USN-4680-1
linux-image-4.15.0-129-generic-lpaeUbuntu
Fixed in:4.15.0-129.132~16.04.1USN-4680-1
Fixed in:4.15.0-129.132USN-4680-1
linux-image-4.15.0-129-lowlatencyUbuntu
Fixed in:4.15.0-129.132~16.04.1USN-4680-1
Fixed in:4.15.0-129.132USN-4680-1
linux-image-aws-hweUbuntu
Fixed in:4.15.0.1091.85USN-4680-1
linux-image-aws-lts-18.04Ubuntu
Fixed in:4.15.0.1091.93USN-4680-1
linux-image-azureUbuntu
Fixed in:4.15.0.1103.78USN-4680-1
Fixed in:4.15.0.1103.96USN-4680-1
linux-image-azure-lts-18.04Ubuntu
Fixed in:4.15.0.1103.76USN-4680-1
linux-image-gcpUbuntu
Fixed in:4.15.0.1091.92USN-4680-1
linux-image-gcp-lts-18.04Ubuntu
Fixed in:4.15.0.1091.109USN-4680-1
linux-image-genericUbuntu
Fixed in:4.15.0.129.116USN-4680-1
linux-image-generic-hwe-16.04Ubuntu
Fixed in:4.15.0.129.128USN-4680-1
linux-image-generic-lpaeUbuntu
Fixed in:4.15.0.129.116USN-4680-1
linux-image-generic-lpae-hwe-16.04Ubuntu
Fixed in:4.15.0.129.128USN-4680-1
linux-image-gkeUbuntu
Fixed in:4.15.0.1091.92USN-4680-1
Fixed in:4.15.0.1077.81USN-4680-1
linux-image-gke-4.15Ubuntu
Fixed in:4.15.0.1077.81USN-4680-1
linux-image-kvmUbuntu
Fixed in:4.15.0.1082.78USN-4680-1
linux-image-lowlatencyUbuntu
Fixed in:4.15.0.129.116USN-4680-1
linux-image-lowlatency-hwe-16.04Ubuntu
Fixed in:4.15.0.129.128USN-4680-1
linux-image-oemUbuntu
Fixed in:4.15.0.129.128USN-4680-1
linux-image-oracleUbuntu
Fixed in:4.15.0.1062.51USN-4680-1
linux-image-oracle-lts-18.04Ubuntu
Fixed in:4.15.0.1062.72USN-4680-1
linux-image-raspi2Ubuntu
Fixed in:4.15.0.1077.74USN-4680-1
linux-image-snapdragonUbuntu
Fixed in:4.15.0.1094.97USN-4680-1
linux-image-virtualUbuntu
Fixed in:4.15.0.129.116USN-4680-1
linux-image-virtual-hwe-16.04Ubuntu
Fixed in:4.15.0.129.128USN-4680-1
linux-kvmUbuntu
Fixed in:4.15.0-1082.84USN-4680-1
linux-oracleUbuntu
Fixed in:4.15.0-1062.68~16.04.1USN-4680-1
Fixed in:4.15.0-1062.68USN-4680-1
linux-raspi2Ubuntu
Fixed in:4.15.0-1077.82USN-4680-1
linux-snapdragonUbuntu
Fixed in:4.15.0-1094.103USN-4680-1

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 VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityLow
IntegrityNone
AvailabilityHigh

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

Exploit Intelligence

2.45%probability of exploitation in 30 days
82ndpercentile

Elevated risk: more likely to be exploited than 82% of all known CVEs.

References

Related Vulnerabilities

Other CWE-416 (Use After Free) vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2019-0708Critical9.8100%KEV + Ransom-
CVE-2021-31166Critical9.8100%KEVFix
CVE-2015-5119Critical9.899%KEV-
CVE-2010-3962High8.197%KEV-
CVE-2015-0313Critical9.896%KEVFix
CVE-2017-9798High7.595%-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.