CVE & CISA-KEV Catalog

CVE-2020-16119

MEDIUM
6.3
CVSS v3
NVD

Description

Use-after-free vulnerability in the Linux kernel exploitable by a local attacker due to reuse of a DCCP socket with an attached dccps_hc_tx_ccid object as a listener after being released. Fixed in Ubuntu Linux kernel 5.4.0-51.56, 5.3.0-68.63, 4.15.0-121.123, 4.4.0-193.224, 3.13.0.182.191 and 3.2.0-149.196.

How to fix

Remediation Available
linuxDebian
Fixed in:5.10.46-5CVE-2020-16119
Fixed in:5.14.6-1CVE-2020-16119
Fixed in:5.14.6-1CVE-2020-16119
Fixed in:5.14.6-1CVE-2020-16119
awsUbuntu
Fixed in:4.4.0-1098LSN-0072-1
Fixed in:4.15.0-1054LSN-0072-1
Fixed in:5.4.0-1009LSN-0072-1
azureUbuntu
Fixed in:5.4.0-1010LSN-0072-1
gcpUbuntu
Fixed in:5.4.0-1009LSN-0072-1
generic-4.15Ubuntu
Fixed in:4.15.0-69LSN-0072-1
generic-4.4Ubuntu
Fixed in:4.4.0-168LSN-0072-1
Fixed in:4.4.0-168LSN-0072-1
generic-5.4Ubuntu
Fixed in:5.4.0-26LSN-0072-1
linuxUbuntu
Fixed in:3.13.0-182.233USN-4580-1
Fixed in:4.4.0-193.224USN-4579-1
Fixed in:4.15.0-121.123USN-4578-1
Fixed in:5.4.0-51.56USN-4576-1
linux-awsUbuntu
Fixed in:4.4.0-1081.85USN-4579-1
Fixed in:4.4.0-1117.131USN-4579-1
Fixed in:4.15.0-1086.91USN-4578-1
Fixed in:5.4.0-1028.29USN-4576-1
linux-aws-5.4Ubuntu
Fixed in:5.4.0-1028.29~18.04.1USN-4576-1
linux-aws-hweUbuntu
Fixed in:4.15.0-1085.90~16.04.1USN-4578-1
linux-azureUbuntu
Fixed in:4.15.0-1098.109~14.04.1USN-4578-1
Fixed in:4.15.0-1098.109~16.04.1USN-4578-1
Fixed in:5.4.0-1031.32USN-4576-1
linux-azure-4.15Ubuntu
Fixed in:4.15.0-1099.110USN-4578-1
linux-azure-5.4Ubuntu
Fixed in:5.4.0-1031.32~18.04.1USN-4576-1
linux-gcpUbuntu
Fixed in:4.15.0-1086.98~16.04.1USN-4578-1
Fixed in:5.4.0-1028.29USN-4576-1
linux-gcp-4.15Ubuntu
Fixed in:4.15.0-1086.98USN-4578-1
linux-gcp-5.4Ubuntu
Fixed in:5.4.0-1028.29~18.04.1USN-4576-1
linux-gke-4.15Ubuntu
Fixed in:4.15.0-1072.76USN-4578-1
linux-gke-5.0Ubuntu
Fixed in:5.0.0-1049.50USN-4577-1
linux-gke-5.3Ubuntu
Fixed in:5.3.0-1038.40USN-4577-1
linux-hweUbuntu
Fixed in:4.15.0-120.122~16.04.1USN-4578-1
Fixed in:5.3.0-68.63USN-4577-1
linux-hwe-5.4Ubuntu
Fixed in:5.4.0-51.56~18.04.1USN-4576-1
linux-image-3.13.0-182-genericUbuntu
Fixed in:3.13.0-182.233USN-4580-1
linux-image-3.13.0-182-generic-lpaeUbuntu
Fixed in:3.13.0-182.233USN-4580-1
linux-image-3.13.0-182-lowlatencyUbuntu
Fixed in:3.13.0-182.233USN-4580-1
linux-image-4.15.0-1056-oracleUbuntu
Fixed in:4.15.0-1056.61~16.04.1USN-4578-1
linux-image-4.15.0-1057-oracleUbuntu
Fixed in:4.15.0-1057.62USN-4578-1
linux-image-4.15.0-1072-gkeUbuntu
Fixed in:4.15.0-1072.76USN-4578-1
linux-image-4.15.0-1073-raspi2Ubuntu
Fixed in:4.15.0-1073.78USN-4578-1
linux-image-4.15.0-1077-kvmUbuntu
Fixed in:4.15.0-1077.79USN-4578-1
linux-image-4.15.0-1085-awsUbuntu
Fixed in:4.15.0-1085.90~16.04.1USN-4578-1
linux-image-4.15.0-1086-awsUbuntu
Fixed in:4.15.0-1086.91USN-4578-1
linux-image-4.15.0-1086-gcpUbuntu
Fixed in:4.15.0-1086.98~16.04.1USN-4578-1
Fixed in:4.15.0-1086.98USN-4578-1
linux-image-4.15.0-1089-snapdragonUbuntu
Fixed in:4.15.0-1089.98USN-4578-1
linux-image-4.15.0-1098-azureUbuntu
Fixed in:4.15.0-1098.109~14.04.1USN-4578-1
Fixed in:4.15.0-1098.109~16.04.1USN-4578-1
linux-image-4.15.0-1099-azureUbuntu
Fixed in:4.15.0-1099.110USN-4578-1
linux-image-4.15.0-1099-oemUbuntu
Fixed in:4.15.0-1099.109USN-4578-1
linux-image-4.15.0-120-genericUbuntu
Fixed in:4.15.0-120.122~16.04.1USN-4578-1
linux-image-4.15.0-120-generic-lpaeUbuntu
Fixed in:4.15.0-120.122~16.04.1USN-4578-1
linux-image-4.15.0-120-lowlatencyUbuntu
Fixed in:4.15.0-120.122~16.04.1USN-4578-1
linux-image-4.15.0-121-genericUbuntu
Fixed in:4.15.0-121.123USN-4578-1
linux-image-4.15.0-121-generic-lpaeUbuntu
Fixed in:4.15.0-121.123USN-4578-1
linux-image-4.15.0-121-lowlatencyUbuntu
Fixed in:4.15.0-121.123USN-4578-1
linux-image-4.4.0-1081-awsUbuntu
Fixed in:4.4.0-1081.85USN-4579-1
linux-image-4.4.0-1082-kvmUbuntu
Fixed in:4.4.0-1082.91USN-4579-1
linux-image-4.4.0-1117-awsUbuntu
Fixed in:4.4.0-1117.131USN-4579-1
linux-image-4.4.0-1141-raspi2Ubuntu
Fixed in:4.4.0-1141.151USN-4579-1
linux-image-4.4.0-1145-snapdragonUbuntu
Fixed in:4.4.0-1145.155USN-4579-1
linux-image-4.4.0-193-genericUbuntu
Fixed in:4.4.0-193.224~14.04.1USN-4579-1
Fixed in:4.4.0-193.224USN-4579-1
linux-image-4.4.0-193-generic-lpaeUbuntu
Fixed in:4.4.0-193.224~14.04.1USN-4579-1
Fixed in:4.4.0-193.224USN-4579-1
linux-image-4.4.0-193-lowlatencyUbuntu
Fixed in:4.4.0-193.224~14.04.1USN-4579-1
Fixed in:4.4.0-193.224USN-4579-1
linux-image-4.4.0-193-powerpc-e500mcUbuntu
Fixed in:4.4.0-193.224USN-4579-1
linux-image-4.4.0-193-powerpc-smpUbuntu
Fixed in:4.4.0-193.224USN-4579-1
linux-image-4.4.0-193-powerpc64-embUbuntu
Fixed in:4.4.0-193.224USN-4579-1
linux-image-4.4.0-193-powerpc64-smpUbuntu
Fixed in:4.4.0-193.224USN-4579-1
linux-image-5.0.0-1049-gkeUbuntu
Fixed in:5.0.0-1049.50USN-4577-1
linux-image-5.0.0-1069-oem-osp1Ubuntu
Fixed in:5.0.0-1069.75USN-4577-1
linux-image-5.3.0-1035-raspi2Ubuntu
Fixed in:5.3.0-1035.37USN-4577-1
linux-image-5.3.0-1038-gkeUbuntu
Fixed in:5.3.0-1038.40USN-4577-1
linux-image-5.3.0-68-genericUbuntu
Fixed in:5.3.0-68.63USN-4577-1
linux-image-5.3.0-68-lowlatencyUbuntu
Fixed in:5.3.0-68.63USN-4577-1
linux-image-5.4.0-1021-raspiUbuntu
Fixed in:5.4.0-1021.24~18.04.1USN-4576-1
Fixed in:5.4.0-1021.24USN-4576-1
linux-image-5.4.0-1026-kvmUbuntu
Fixed in:5.4.0-1026.27USN-4576-1
linux-image-5.4.0-1028-awsUbuntu
Fixed in:5.4.0-1028.29~18.04.1USN-4576-1
Fixed in:5.4.0-1028.29USN-4576-1
linux-image-5.4.0-1028-gcpUbuntu
Fixed in:5.4.0-1028.29~18.04.1USN-4576-1
Fixed in:5.4.0-1028.29USN-4576-1
linux-image-5.4.0-1028-oracleUbuntu
Fixed in:5.4.0-1028.29~18.04.1USN-4576-1
Fixed in:5.4.0-1028.29USN-4576-1
linux-image-5.4.0-1031-azureUbuntu
Fixed in:5.4.0-1031.32~18.04.1USN-4576-1
Fixed in:5.4.0-1031.32USN-4576-1
linux-image-5.4.0-51-genericUbuntu
Fixed in:5.4.0-51.56~18.04.1USN-4576-1
Fixed in:5.4.0-51.56USN-4576-1
linux-image-5.4.0-51-generic-lpaeUbuntu
Fixed in:5.4.0-51.56~18.04.1USN-4576-1
Fixed in:5.4.0-51.56USN-4576-1
linux-image-5.4.0-51-lowlatencyUbuntu
Fixed in:5.4.0-51.56~18.04.1USN-4576-1
Fixed in:5.4.0-51.56USN-4576-1
linux-image-awsUbuntu
Fixed in:4.4.0.1081.78USN-4579-1
Fixed in:4.4.0.1117.122USN-4579-1
Fixed in:5.4.0.1028.13USN-4576-1
Fixed in:5.4.0.1028.29USN-4576-1
linux-image-aws-hweUbuntu
Fixed in:4.15.0.1085.81USN-4578-1
linux-image-aws-lts-18.04Ubuntu
Fixed in:4.15.0.1086.88USN-4578-1
linux-image-azureUbuntu
Fixed in:4.15.0.1098.74USN-4578-1
Fixed in:4.15.0.1098.92USN-4578-1
Fixed in:5.4.0.1031.13USN-4576-1
Fixed in:5.4.0.1031.29USN-4576-1
linux-image-azure-lts-18.04Ubuntu
Fixed in:4.15.0.1099.72USN-4578-1
linux-image-gcpUbuntu
Fixed in:4.15.0.1086.87USN-4578-1
Fixed in:5.4.0.1028.16USN-4576-1
Fixed in:5.4.0.1028.36USN-4576-1
linux-image-gcp-lts-18.04Ubuntu
Fixed in:4.15.0.1086.104USN-4578-1
linux-image-genericUbuntu
Fixed in:3.13.0.182.191USN-4580-1
Fixed in:4.4.0.193.199USN-4579-1
Fixed in:4.15.0.121.108USN-4578-1
Fixed in:5.4.0.51.54USN-4576-1
linux-image-generic-hwe-16.04Ubuntu
Fixed in:4.15.0.120.121USN-4578-1
linux-image-generic-hwe-18.04Ubuntu
Fixed in:5.4.0.51.56~18.04.45USN-4576-1
linux-image-generic-hwe-20.04Ubuntu
Fixed in:5.4.0.51.54USN-4576-1
linux-image-generic-lpaeUbuntu
Fixed in:3.13.0.182.191USN-4580-1
Fixed in:4.4.0.193.199USN-4579-1
Fixed in:4.15.0.121.108USN-4578-1
Fixed in:5.4.0.51.54USN-4576-1
linux-image-generic-lpae-hwe-16.04Ubuntu
Fixed in:4.15.0.120.121USN-4578-1
linux-image-generic-lpae-hwe-18.04Ubuntu
Fixed in:5.4.0.51.56~18.04.45USN-4576-1
linux-image-generic-lpae-hwe-20.04Ubuntu
Fixed in:5.4.0.51.54USN-4576-1
linux-image-generic-lpae-lts-xenialUbuntu
Fixed in:4.4.0.193.169USN-4579-1
linux-image-generic-lts-xenialUbuntu
Fixed in:4.4.0.193.169USN-4579-1
linux-image-generic-paeUbuntu
Fixed in:3.13.0.182.191USN-4580-1
linux-image-gkeUbuntu
Fixed in:4.15.0.1086.87USN-4578-1
Fixed in:4.15.0.1072.76USN-4578-1
Fixed in:5.4.0.1028.36USN-4576-1
linux-image-gke-4.15Ubuntu
Fixed in:4.15.0.1072.76USN-4578-1
linux-image-gke-5.0Ubuntu
Fixed in:5.0.0.1049.33USN-4577-1
linux-image-gke-5.3Ubuntu
Fixed in:5.3.0.1038.21USN-4577-1
linux-image-gkeop-5.3Ubuntu
Fixed in:5.3.0.68.125USN-4577-1
linux-image-highbankUbuntu
Fixed in:3.13.0.182.191USN-4580-1
linux-image-kvmUbuntu
Fixed in:4.4.0.1082.80USN-4579-1
Fixed in:4.15.0.1077.73USN-4578-1
Fixed in:5.4.0.1026.24USN-4576-1
linux-image-lowlatencyUbuntu
Fixed in:3.13.0.182.191USN-4580-1
Fixed in:4.4.0.193.199USN-4579-1
Fixed in:4.15.0.121.108USN-4578-1
Fixed in:5.4.0.51.54USN-4576-1
linux-image-lowlatency-hwe-16.04Ubuntu
Fixed in:4.15.0.120.121USN-4578-1
linux-image-lowlatency-hwe-18.04Ubuntu
Fixed in:5.4.0.51.56~18.04.45USN-4576-1
linux-image-lowlatency-hwe-20.04Ubuntu
Fixed in:5.4.0.51.54USN-4576-1
linux-image-lowlatency-lts-xenialUbuntu
Fixed in:4.4.0.193.169USN-4579-1
linux-image-lowlatency-paeUbuntu
Fixed in:3.13.0.182.191USN-4580-1
linux-image-oemUbuntu
Fixed in:4.15.0.120.121USN-4578-1
Fixed in:4.15.0.1099.103USN-4578-1
Fixed in:5.4.0.51.54USN-4576-1
linux-image-oem-osp1Ubuntu
Fixed in:5.0.0.1069.67USN-4577-1
Fixed in:5.4.0.51.54USN-4576-1
linux-image-omapUbuntu
Fixed in:3.13.0.182.191USN-4580-1
linux-image-oracleUbuntu
Fixed in:4.15.0.1056.46USN-4578-1
Fixed in:5.4.0.1028.12USN-4576-1
Fixed in:5.4.0.1028.25USN-4576-1
linux-image-oracle-lts-18.04Ubuntu
Fixed in:4.15.0.1057.67USN-4578-1
linux-image-powerpc-e500mcUbuntu
Fixed in:4.4.0.193.199USN-4579-1
linux-image-powerpc-smpUbuntu
Fixed in:4.4.0.193.199USN-4579-1
linux-image-powerpc64-embUbuntu
Fixed in:4.4.0.193.199USN-4579-1
linux-image-powerpc64-smpUbuntu
Fixed in:4.4.0.193.199USN-4579-1
linux-image-raspiUbuntu
Fixed in:5.4.0.1021.56USN-4576-1
linux-image-raspi-hwe-18.04Ubuntu
Fixed in:5.4.0.1021.25USN-4576-1
linux-image-raspi2Ubuntu
Fixed in:4.4.0.1141.141USN-4579-1
Fixed in:4.15.0.1073.70USN-4578-1
Fixed in:5.4.0.1021.56USN-4576-1
linux-image-raspi2-hwe-18.04Ubuntu
Fixed in:5.3.0.1035.24USN-4577-1
linux-image-serverUbuntu
Fixed in:3.13.0.182.191USN-4580-1
linux-image-snapdragonUbuntu
Fixed in:4.4.0.1145.137USN-4579-1
Fixed in:4.15.0.1089.92USN-4578-1
linux-image-snapdragon-hwe-18.04Ubuntu
Fixed in:5.4.0.51.56~18.04.45USN-4576-1
linux-image-virtualUbuntu
Fixed in:3.13.0.182.191USN-4580-1
Fixed in:4.4.0.193.199USN-4579-1
Fixed in:4.15.0.121.108USN-4578-1
Fixed in:5.4.0.51.54USN-4576-1
linux-image-virtual-hwe-16.04Ubuntu
Fixed in:4.15.0.120.121USN-4578-1
linux-image-virtual-hwe-18.04Ubuntu
Fixed in:5.4.0.51.56~18.04.45USN-4576-1
linux-image-virtual-hwe-20.04Ubuntu
Fixed in:5.4.0.51.54USN-4576-1
linux-image-virtual-lts-xenialUbuntu
Fixed in:4.4.0.193.169USN-4579-1
linux-kvmUbuntu
Fixed in:4.4.0-1082.91USN-4579-1
Fixed in:4.15.0-1077.79USN-4578-1
Fixed in:5.4.0-1026.27USN-4576-1
linux-lts-xenialUbuntu
Fixed in:4.4.0-193.224~14.04.1USN-4579-1
linux-oemUbuntu
Fixed in:4.15.0-1099.109USN-4578-1
linux-oem-osp1Ubuntu
Fixed in:5.0.0-1069.75USN-4577-1
linux-oracleUbuntu
Fixed in:4.15.0-1056.61~16.04.1USN-4578-1
Fixed in:4.15.0-1057.62USN-4578-1
Fixed in:5.4.0-1028.29USN-4576-1
linux-oracle-5.4Ubuntu
Fixed in:5.4.0-1028.29~18.04.1USN-4576-1
linux-raspiUbuntu
Fixed in:5.4.0-1021.24USN-4576-1
linux-raspi-5.4Ubuntu
Fixed in:5.4.0-1021.24~18.04.1USN-4576-1
linux-raspi2Ubuntu
Fixed in:4.4.0-1141.151USN-4579-1
Fixed in:4.15.0-1073.78USN-4578-1
linux-raspi2-5.3Ubuntu
Fixed in:5.3.0-1035.37USN-4577-1
linux-snapdragonUbuntu
Fixed in:4.4.0-1145.155USN-4579-1
Fixed in:4.15.0-1089.98USN-4578-1
lowlatency-4.15Ubuntu
Fixed in:4.15.0-69LSN-0072-1
lowlatency-4.4Ubuntu
Fixed in:4.4.0-168LSN-0072-1
Fixed in:4.4.0-168LSN-0072-1
lowlatency-5.4Ubuntu
Fixed in:5.4.0-26LSN-0072-1
oemUbuntu
Fixed in:4.15.0-1063LSN-0072-1

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
IntegrityHigh
AvailabilityHigh

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

Exploit Intelligence

0.42%probability of exploitation in 30 days
34thpercentile

Low risk: more likely to be exploited than 34% of all known CVEs.

References

Related Vulnerabilities

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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.