Is CVE-2019-19768 in the CISA KEV catalog?

No. CVE-2019-19768 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2019-19768?

CVE-2019-19768 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2019-19768?

CVE-2019-19768 has an EPSS score of 4.15% (90th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2019-19768?

Upgrade linux on debian 11 to 5.5.13-1 or later. Fixes are available for 93 affected products.

CVE & CISA-KEV Catalog

CVE-2019-19768

HIGHEPSS 90th pctl

7.5

CVSS v3

NVD

Description

In the Linux kernel 5.4.0-rc2, there is a use-after-free (read) in the __blk_add_trace function in kernel/trace/blktrace.c (which is used to fill out a blk_io_trace structure and place it in a per-cpu sub-buffer).

CWE-416Use After Free

How to fix

Remediation Available

linuxDebian

Fixed in:5.5.13-1CVE-2019-19768

linuxUbuntu

Fixed in:4.4.0-178.208USN-4346-1

Fixed in:4.15.0-99.100USN-4345-1

linux-awsUbuntu

Fixed in:4.4.0-1066.70USN-4346-1

Fixed in:4.4.0-1106.117USN-4346-1

Fixed in:4.15.0-1066.70USN-4345-1

linux-aws-hweUbuntu

Fixed in:4.15.0-1066.70~16.04.1USN-4345-1

linux-azureUbuntu

Fixed in:4.15.0-1082.92~16.04.1USN-4345-1

linux-azure-5.3Ubuntu

Fixed in:5.3.0-1020.21~18.04.1USN-4342-1

linux-gcpUbuntu

Fixed in:4.15.0-1061.65USN-4345-1

linux-gcp-5.3Ubuntu

Fixed in:5.3.0-1018.19~18.04.1USN-4342-1

linux-gke-4.15Ubuntu

Fixed in:4.15.0-1058.61USN-4345-1

linux-gke-5.0Ubuntu

Fixed in:5.0.0-1035.36USN-4344-1

linux-gke-5.3Ubuntu

Fixed in:5.3.0-1018.19~18.04.1USN-4342-1

linux-hweUbuntu

Fixed in:4.15.0-99.100~16.04.1USN-4345-1

Fixed in:5.3.0-51.44~18.04.2USN-4342-1

linux-image-4.15.0-1038-oracleUbuntu

Fixed in:4.15.0-1038.42~16.04.1USN-4345-1

Fixed in:4.15.0-1038.42USN-4345-1

linux-image-4.15.0-1058-gkeUbuntu

Fixed in:4.15.0-1058.61USN-4345-1

linux-image-4.15.0-1059-kvmUbuntu

Fixed in:4.15.0-1059.60USN-4345-1

linux-image-4.15.0-1061-gcpUbuntu

Fixed in:4.15.0-1061.65USN-4345-1

linux-image-4.15.0-1061-raspi2Ubuntu

Fixed in:4.15.0-1061.65USN-4345-1

linux-image-4.15.0-1066-awsUbuntu

Fixed in:4.15.0-1066.70~16.04.1USN-4345-1

Fixed in:4.15.0-1066.70USN-4345-1

linux-image-4.15.0-1077-snapdragonUbuntu

Fixed in:4.15.0-1077.84USN-4345-1

linux-image-4.15.0-1080-oemUbuntu

Fixed in:4.15.0-1080.90USN-4345-1

linux-image-4.15.0-1082-azureUbuntu

Fixed in:4.15.0-1082.92~16.04.1USN-4345-1

linux-image-4.15.0-99-genericUbuntu

Fixed in:4.15.0-99.100~16.04.1USN-4345-1

Fixed in:4.15.0-99.100USN-4345-1

linux-image-4.15.0-99-generic-lpaeUbuntu

Fixed in:4.15.0-99.100~16.04.1USN-4345-1

Fixed in:4.15.0-99.100USN-4345-1

linux-image-4.15.0-99-lowlatencyUbuntu

Fixed in:4.15.0-99.100~16.04.1USN-4345-1

Fixed in:4.15.0-99.100USN-4345-1

linux-image-4.4.0-1066-awsUbuntu

Fixed in:4.4.0-1066.70USN-4346-1

linux-image-4.4.0-1070-kvmUbuntu

Fixed in:4.4.0-1070.77USN-4346-1

linux-image-4.4.0-1106-awsUbuntu

Fixed in:4.4.0-1106.117USN-4346-1

linux-image-4.4.0-1132-raspi2Ubuntu

Fixed in:4.4.0-1132.141USN-4346-1

linux-image-4.4.0-1136-snapdragonUbuntu

Fixed in:4.4.0-1136.144USN-4346-1

linux-image-4.4.0-178-genericUbuntu

Fixed in:4.4.0-178.208~14.04.1USN-4346-1

Fixed in:4.4.0-178.208USN-4346-1

linux-image-4.4.0-178-generic-lpaeUbuntu

Fixed in:4.4.0-178.208USN-4346-1

linux-image-4.4.0-178-lowlatencyUbuntu

Fixed in:4.4.0-178.208~14.04.1USN-4346-1

Fixed in:4.4.0-178.208USN-4346-1

linux-image-4.4.0-178-powerpc-e500mcUbuntu

Fixed in:4.4.0-178.208USN-4346-1

linux-image-4.4.0-178-powerpc-smpUbuntu

Fixed in:4.4.0-178.208USN-4346-1

linux-image-4.4.0-178-powerpc64-embUbuntu

Fixed in:4.4.0-178.208USN-4346-1

linux-image-4.4.0-178-powerpc64-smpUbuntu

Fixed in:4.4.0-178.208USN-4346-1

linux-image-5.0.0-1035-gkeUbuntu

Fixed in:5.0.0-1035.36USN-4344-1

linux-image-5.0.0-1050-oem-osp1Ubuntu

Fixed in:5.0.0-1050.55USN-4344-1

linux-image-5.3.0-1016-oracleUbuntu

Fixed in:5.3.0-1016.18~18.04.1USN-4342-1

linux-image-5.3.0-1018-gcpUbuntu

Fixed in:5.3.0-1018.19~18.04.1USN-4342-1

linux-image-5.3.0-1018-gkeUbuntu

Fixed in:5.3.0-1018.19~18.04.1USN-4342-1

linux-image-5.3.0-1020-azureUbuntu

Fixed in:5.3.0-1020.21~18.04.1USN-4342-1

linux-image-5.3.0-1023-raspi2Ubuntu

Fixed in:5.3.0-1023.25~18.04.1USN-4342-1

linux-image-5.3.0-51-genericUbuntu

Fixed in:5.3.0-51.44~18.04.2USN-4342-1

linux-image-5.3.0-51-generic-lpaeUbuntu

Fixed in:5.3.0-51.44~18.04.2USN-4342-1

linux-image-5.3.0-51-lowlatencyUbuntu

Fixed in:5.3.0-51.44~18.04.2USN-4342-1

linux-image-awsUbuntu

Fixed in:4.4.0.1066.67USN-4346-1

Fixed in:4.4.0.1106.110USN-4346-1

linux-image-aws-hweUbuntu

Fixed in:4.15.0.1066.66USN-4345-1

linux-image-aws-lts-18.04Ubuntu

Fixed in:4.15.0.1066.69USN-4345-1

linux-image-azureUbuntu

Fixed in:4.15.0.1082.81USN-4345-1

Fixed in:5.3.0.1020.20USN-4342-1

linux-image-azure-edgeUbuntu

Fixed in:4.15.0.1082.81USN-4345-1

linux-image-gcpUbuntu

Fixed in:4.15.0.1061.75USN-4345-1

Fixed in:5.3.0.1018.17USN-4342-1

linux-image-genericUbuntu

Fixed in:4.4.0.178.186USN-4346-1

Fixed in:4.15.0.99.89USN-4345-1

linux-image-generic-hwe-16.04Ubuntu

Fixed in:4.15.0.99.106USN-4345-1

linux-image-generic-hwe-18.04Ubuntu

Fixed in:5.3.0.51.104USN-4342-1

linux-image-generic-lpaeUbuntu

Fixed in:4.4.0.178.186USN-4346-1

Fixed in:4.15.0.99.89USN-4345-1

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

Fixed in:4.15.0.99.106USN-4345-1

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

Fixed in:5.3.0.51.104USN-4342-1

linux-image-generic-lts-xenialUbuntu

Fixed in:4.4.0.178.157USN-4346-1

linux-image-gkeUbuntu

Fixed in:4.15.0.1061.75USN-4345-1

Fixed in:4.15.0.1058.62USN-4345-1

linux-image-gke-4.15Ubuntu

Fixed in:4.15.0.1058.62USN-4345-1

linux-image-gke-5.0Ubuntu

Fixed in:5.0.0.1035.23USN-4344-1

linux-image-gke-5.3Ubuntu

Fixed in:5.3.0.1018.8USN-4342-1

linux-image-kvmUbuntu

Fixed in:4.4.0.1070.70USN-4346-1

Fixed in:4.15.0.1059.59USN-4345-1

linux-image-lowlatencyUbuntu

Fixed in:4.4.0.178.186USN-4346-1

Fixed in:4.15.0.99.89USN-4345-1

linux-image-lowlatency-hwe-16.04Ubuntu

Fixed in:4.15.0.99.106USN-4345-1

linux-image-lowlatency-hwe-18.04Ubuntu

Fixed in:5.3.0.51.104USN-4342-1

linux-image-lowlatency-lts-xenialUbuntu

Fixed in:4.4.0.178.157USN-4346-1

linux-image-oemUbuntu

Fixed in:4.15.0.99.106USN-4345-1

Fixed in:4.15.0.1080.84USN-4345-1

linux-image-oem-osp1Ubuntu

Fixed in:5.0.0.1050.53USN-4344-1

linux-image-oracleUbuntu

Fixed in:4.15.0.1038.31USN-4345-1

Fixed in:5.3.0.1016.17USN-4342-1

linux-image-oracle-lts-18.04Ubuntu

Fixed in:4.15.0.1038.47USN-4345-1

linux-image-powerpc-e500mcUbuntu

Fixed in:4.4.0.178.186USN-4346-1

linux-image-powerpc-smpUbuntu

Fixed in:4.4.0.178.186USN-4346-1

linux-image-powerpc64-embUbuntu

Fixed in:4.4.0.178.186USN-4346-1

linux-image-powerpc64-smpUbuntu

Fixed in:4.4.0.178.186USN-4346-1

linux-image-raspi2Ubuntu

Fixed in:4.4.0.1132.132USN-4346-1

Fixed in:4.15.0.1061.59USN-4345-1

linux-image-raspi2-hwe-18.04Ubuntu

Fixed in:5.3.0.1023.12USN-4342-1

linux-image-snapdragonUbuntu

Fixed in:4.4.0.1136.128USN-4346-1

Fixed in:4.15.0.1077.80USN-4345-1

linux-image-snapdragon-hwe-18.04Ubuntu

Fixed in:5.3.0.51.104USN-4342-1

linux-image-virtualUbuntu

Fixed in:4.4.0.178.186USN-4346-1

Fixed in:4.15.0.99.89USN-4345-1

linux-image-virtual-hwe-16.04Ubuntu

Fixed in:4.15.0.99.106USN-4345-1

linux-image-virtual-hwe-18.04Ubuntu

Fixed in:5.3.0.51.104USN-4342-1

linux-image-virtual-lts-xenialUbuntu

Fixed in:4.4.0.178.157USN-4346-1

linux-kvmUbuntu

Fixed in:4.4.0-1070.77USN-4346-1

Fixed in:4.15.0-1059.60USN-4345-1

linux-lts-xenialUbuntu

Fixed in:4.4.0-178.208~14.04.1USN-4346-1

linux-oemUbuntu

Fixed in:4.15.0-1080.90USN-4345-1

linux-oem-osp1Ubuntu

Fixed in:5.0.0-1050.55USN-4344-1

linux-oracleUbuntu

Fixed in:4.15.0-1038.42~16.04.1USN-4345-1

Fixed in:4.15.0-1038.42USN-4345-1

linux-oracle-5.3Ubuntu

Fixed in:5.3.0-1016.18~18.04.1USN-4342-1

linux-raspi2Ubuntu

Fixed in:4.4.0-1132.141USN-4346-1

Fixed in:4.15.0-1061.65USN-4345-1

linux-raspi2-5.3Ubuntu

Fixed in:5.3.0-1023.25~18.04.1USN-4342-1

linux-snapdragonUbuntu

Fixed in:4.4.0-1136.144USN-4346-1

Fixed in:4.15.0-1077.84USN-4345-1

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

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

4.15%probability of exploitation in 30 days

90thpercentile

Elevated risk: more likely to be exploited than 90% of all known CVEs.

References

Vendor Advisory1

bugzilla.kernel.org

Other references10

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.