Is CVE-2019-19377 in the CISA KEV catalog?

No. CVE-2019-19377 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2019-19377?

CVE-2019-19377 has a CVSS v3 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2019-19377?

CVE-2019-19377 has an EPSS score of 3.40% (87th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2019-19377?

Upgrade linux on debian 11 to 5.6.7-1 or later. Fixes are available for 92 affected products.

CVE & CISA-KEV Catalog

CVE-2019-19377

HIGHEPSS 87th pctl

7.8

CVSS v3

NVD

Description

In the Linux kernel 5.0.21, mounting a crafted btrfs filesystem image, performing some operations, and unmounting can lead to a use-after-free in btrfs_queue_work in fs/btrfs/async-thread.c.

CWE-416Use After Free

How to fix

Remediation Available

linuxDebian

Fixed in:5.6.7-1CVE-2019-19377

linuxUbuntu

Fixed in:4.15.0-109.110USN-4414-1

Fixed in:5.4.0-31.35USN-4367-1

linux-awsUbuntu

Fixed in:4.15.0-1077.81USN-4414-1

Fixed in:5.4.0-1011.11USN-4367-1

linux-aws-5.3Ubuntu

Fixed in:5.3.0-1019.21~18.04.1USN-4369-1

linux-aws-hweUbuntu

Fixed in:4.15.0-1074.78~16.04.1USN-4414-1

linux-azureUbuntu

Fixed in:4.15.0-1091.101~14.04.1USN-4414-1

Fixed in:4.15.0-1091.101~16.04.1USN-4414-1

Fixed in:5.4.0-1012.12USN-4367-1

linux-azure-4.15Ubuntu

Fixed in:4.15.0-1091.101USN-4414-1

linux-azure-5.3Ubuntu

Fixed in:5.3.0-1022.23~18.04.1USN-4369-1

linux-gcpUbuntu

Fixed in:4.15.0-1078.88~16.04.1USN-4414-1

Fixed in:5.4.0-1011.11USN-4367-1

linux-gcp-4.15Ubuntu

Fixed in:4.15.0-1078.88USN-4414-1

linux-gcp-5.3Ubuntu

Fixed in:5.3.0-1020.22~18.04.1USN-4369-1

linux-gke-4.15Ubuntu

Fixed in:4.15.0-1064.67USN-4414-1

linux-gke-5.3Ubuntu

Fixed in:5.3.0-1020.22~18.04.1USN-4369-1

linux-hweUbuntu

Fixed in:4.15.0-107.108~16.04.1USN-4414-1

Fixed in:5.3.0-53.47~18.04.1USN-4369-1

linux-image-4.15.0-1046-oracleUbuntu

Fixed in:4.15.0-1046.50~16.04.1USN-4414-1

linux-image-4.15.0-1048-oracleUbuntu

Fixed in:4.15.0-1048.52USN-4414-1

linux-image-4.15.0-1064-gkeUbuntu

Fixed in:4.15.0-1064.67USN-4414-1

linux-image-4.15.0-1065-raspi2Ubuntu

Fixed in:4.15.0-1065.69USN-4414-1

linux-image-4.15.0-1069-kvmUbuntu

Fixed in:4.15.0-1069.70USN-4414-1

linux-image-4.15.0-107-genericUbuntu

Fixed in:4.15.0-107.108~16.04.1USN-4414-1

linux-image-4.15.0-107-generic-lpaeUbuntu

Fixed in:4.15.0-107.108~16.04.1USN-4414-1

linux-image-4.15.0-107-lowlatencyUbuntu

Fixed in:4.15.0-107.108~16.04.1USN-4414-1

linux-image-4.15.0-1074-awsUbuntu

Fixed in:4.15.0-1074.78~16.04.1USN-4414-1

linux-image-4.15.0-1077-awsUbuntu

Fixed in:4.15.0-1077.81USN-4414-1

linux-image-4.15.0-1078-gcpUbuntu

Fixed in:4.15.0-1078.88~16.04.1USN-4414-1

Fixed in:4.15.0-1078.88USN-4414-1

linux-image-4.15.0-1081-snapdragonUbuntu

Fixed in:4.15.0-1081.88USN-4414-1

linux-image-4.15.0-109-genericUbuntu

Fixed in:4.15.0-109.110USN-4414-1

linux-image-4.15.0-109-generic-lpaeUbuntu

Fixed in:4.15.0-109.110USN-4414-1

linux-image-4.15.0-109-lowlatencyUbuntu

Fixed in:4.15.0-109.110USN-4414-1

linux-image-4.15.0-1091-azureUbuntu

Fixed in:4.15.0-1091.101~14.04.1USN-4414-1

Fixed in:4.15.0-1091.101~16.04.1USN-4414-1

Fixed in:4.15.0-1091.101USN-4414-1

linux-image-4.15.0-1091-oemUbuntu

Fixed in:4.15.0-1091.101USN-4414-1

linux-image-5.3.0-1018-oracleUbuntu

Fixed in:5.3.0-1018.20~18.04.1USN-4369-1

linux-image-5.3.0-1019-awsUbuntu

Fixed in:5.3.0-1019.21~18.04.1USN-4369-1

linux-image-5.3.0-1020-gcpUbuntu

Fixed in:5.3.0-1020.22~18.04.1USN-4369-1

linux-image-5.3.0-1020-gkeUbuntu

Fixed in:5.3.0-1020.22~18.04.1USN-4369-1

linux-image-5.3.0-1022-azureUbuntu

Fixed in:5.3.0-1022.23~18.04.1USN-4369-1

linux-image-5.3.0-53-genericUbuntu

Fixed in:5.3.0-53.47~18.04.1USN-4369-1

linux-image-5.3.0-53-generic-lpaeUbuntu

Fixed in:5.3.0-53.47~18.04.1USN-4369-1

linux-image-5.3.0-53-lowlatencyUbuntu

Fixed in:5.3.0-53.47~18.04.1USN-4369-1

linux-image-5.4.0-1011-awsUbuntu

Fixed in:5.4.0-1011.11USN-4367-1

linux-image-5.4.0-1011-gcpUbuntu

Fixed in:5.4.0-1011.11USN-4367-1

linux-image-5.4.0-1011-kvmUbuntu

Fixed in:5.4.0-1011.11USN-4367-1

linux-image-5.4.0-1011-oracleUbuntu

Fixed in:5.4.0-1011.11USN-4367-1

linux-image-5.4.0-1011-raspiUbuntu

Fixed in:5.4.0-1011.11USN-4367-1

linux-image-5.4.0-1012-azureUbuntu

Fixed in:5.4.0-1012.12USN-4367-1

linux-image-5.4.0-26-genericUbuntu

Fixed in:5.4.0-26.30USN-4367-1

linux-image-5.4.0-31-genericUbuntu

Fixed in:5.4.0-31.35USN-4367-1

linux-image-5.4.0-31-generic-lpaeUbuntu

Fixed in:5.4.0-31.35USN-4367-1

linux-image-5.4.0-31-lowlatencyUbuntu

Fixed in:5.4.0-31.35USN-4367-1

linux-image-awsUbuntu

Fixed in:5.3.0.1019.20USN-4369-1

Fixed in:5.4.0.1011.14USN-4367-1

linux-image-aws-edgeUbuntu

Fixed in:5.3.0.1019.20USN-4369-1

linux-image-aws-hweUbuntu

Fixed in:4.15.0.1074.74USN-4414-1

linux-image-aws-lts-18.04Ubuntu

Fixed in:4.15.0.1077.79USN-4414-1

linux-image-azureUbuntu

Fixed in:4.15.0.1091.68USN-4414-1

Fixed in:4.15.0.1091.86USN-4414-1

Fixed in:5.3.0.1022.22USN-4369-1

Fixed in:5.4.0.1012.14USN-4367-1

linux-image-azure-edgeUbuntu

Fixed in:5.3.0.1022.22USN-4369-1

linux-image-azure-lts-18.04Ubuntu

Fixed in:4.15.0.1091.62USN-4414-1

linux-image-gcpUbuntu

Fixed in:4.15.0.1078.80USN-4414-1

Fixed in:5.3.0.1020.19USN-4369-1

Fixed in:5.4.0.1011.12USN-4367-1

linux-image-gcp-edgeUbuntu

Fixed in:5.3.0.1020.19USN-4369-1

linux-image-gcp-lts-18.04Ubuntu

Fixed in:4.15.0.1078.94USN-4414-1

linux-image-genericUbuntu

Fixed in:4.15.0.109.97USN-4414-1

Fixed in:5.4.0.31.36USN-4367-1

linux-image-generic-hwe-16.04Ubuntu

Fixed in:4.15.0.107.112USN-4414-1

linux-image-generic-hwe-18.04Ubuntu

Fixed in:5.3.0.53.109USN-4369-1

linux-image-generic-lpaeUbuntu

Fixed in:4.15.0.109.97USN-4414-1

Fixed in:5.4.0.31.36USN-4367-1

linux-image-generic-lpae-hwe-16.04Ubuntu

Fixed in:4.15.0.107.112USN-4414-1

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

Fixed in:5.3.0.53.109USN-4369-1

linux-image-gkeUbuntu

Fixed in:4.15.0.1078.80USN-4414-1

Fixed in:4.15.0.1064.66USN-4414-1

Fixed in:5.4.0.1011.12USN-4367-1

linux-image-gke-4.15Ubuntu

Fixed in:4.15.0.1064.66USN-4414-1

linux-image-gke-5.3Ubuntu

Fixed in:5.3.0.1020.10USN-4369-1

linux-image-gkeop-5.3Ubuntu

Fixed in:5.3.0.53.109USN-4369-1

linux-image-kvmUbuntu

Fixed in:4.15.0.1069.65USN-4414-1

Fixed in:5.4.0.1011.12USN-4367-1

linux-image-lowlatencyUbuntu

Fixed in:4.15.0.109.97USN-4414-1

Fixed in:5.4.0.31.36USN-4367-1

linux-image-lowlatency-hwe-16.04Ubuntu

Fixed in:4.15.0.107.112USN-4414-1

linux-image-lowlatency-hwe-18.04Ubuntu

Fixed in:5.3.0.53.109USN-4369-1

linux-image-oemUbuntu

Fixed in:4.15.0.107.112USN-4414-1

Fixed in:4.15.0.1091.94USN-4414-1

Fixed in:5.4.0.31.36USN-4367-1

linux-image-oem-osp1Ubuntu

Fixed in:5.4.0.31.36USN-4367-1

linux-image-oracleUbuntu

Fixed in:4.15.0.1046.39USN-4414-1

Fixed in:5.3.0.1018.19USN-4369-1

Fixed in:5.4.0.1011.12USN-4367-1

linux-image-oracle-lts-18.04Ubuntu

Fixed in:4.15.0.1048.57USN-4414-1

linux-image-raspiUbuntu

Fixed in:5.4.0.1011.11USN-4367-1

linux-image-raspi2Ubuntu

Fixed in:4.15.0.1065.63USN-4414-1

Fixed in:5.4.0.1011.11USN-4367-1

linux-image-snapdragonUbuntu

Fixed in:4.15.0.1081.84USN-4414-1

linux-image-snapdragon-hwe-18.04Ubuntu

Fixed in:5.3.0.53.109USN-4369-1

linux-image-virtualUbuntu

Fixed in:4.15.0.109.97USN-4414-1

Fixed in:5.4.0.31.36USN-4367-1

linux-image-virtual-hwe-16.04Ubuntu

Fixed in:4.15.0.107.112USN-4414-1

linux-image-virtual-hwe-18.04Ubuntu

Fixed in:5.3.0.53.109USN-4369-1

linux-kvmUbuntu

Fixed in:4.15.0-1069.70USN-4414-1

Fixed in:5.4.0-1011.11USN-4367-1

linux-oemUbuntu

Fixed in:4.15.0-1091.101USN-4414-1

linux-oracleUbuntu

Fixed in:4.15.0-1046.50~16.04.1USN-4414-1

Fixed in:4.15.0-1048.52USN-4414-1

Fixed in:5.4.0-1011.11USN-4367-1

linux-oracle-5.3Ubuntu

Fixed in:5.3.0-1018.20~18.04.1USN-4369-1

linux-raspiUbuntu

Fixed in:5.4.0-1011.11USN-4367-1

linux-raspi2Ubuntu

Fixed in:4.15.0-1065.69USN-4414-1

linux-riscvUbuntu

Fixed in:5.4.0-26.30USN-4367-1

linux-snapdragonUbuntu

Fixed in:4.15.0-1081.88USN-4414-1

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 RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

3.40%probability of exploitation in 30 days

87thpercentile

Elevated risk: more likely to be exploited than 87% of all known CVEs.

References

Exploit1

github.com

Third-Party Advisory5

Related Vulnerabilities

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

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2019-0708	Critical	9.8	100%	KEV + Ransom	-
CVE-2021-31166	Critical	9.8	100%	KEV	Fix
CVE-2015-5119	Critical	9.8	99%	KEV	-
CVE-2010-3962	High	8.1	97%	KEV	-
CVE-2015-0313	Critical	9.8	96%	KEV	Fix
CVE-2017-9798	High	7.5	95%	-	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.