CVE-2020-16119

HighCVSS 7.8/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Jan 14, 2021
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2020

CVE-2020-161204.4Overlayfs did not properly perform permission checking when copying up files in an overlayfs and could be exploited from within a user namesCVE-2020-161213.3PackageKit provided detailed error messages to unprivileged callers that exposed information about file presence and mimetype of files that CVE-2020-161227.8PackageKit's apt backend mistakenly treated all local debs as trusted. The apt security model is based on repository trust and not on the coCVE-2020-161234.7An Ubuntu-specific patch in PulseAudio created a race condition where the snap policy module would fail to identify a client connection fromCVE-2020-161249.8Integer Overflow or Wraparound vulnerability in the XML RPC library of OpenRobotics ros_comm communications packages allows unauthenticated CVE-2020-161256.8gdm3 versions before 3.36.2 or 3.38.2 would start gnome-initial-setup if gdm3 can't contact the accountservice service via dbus in a timely CVE-2020-161263.3An Ubuntu-specific modification to AccountsService in versions before 0.6.55-0ubuntu13.2, among other earlier versions, improperly dropped tCVE-2020-161275.5An Ubuntu-specific modification to AccountsService in versions before 0.6.55-0ubuntu13.2, among other earlier versions, would perform unbounCVE-2020-161283.8The aptdaemon DBus interface disclosed file existence disclosure by setting Terminal/DebconfSocket properties, aka GHSL-2020-192 and GHSL-20CVE-2020-16137.5A vulnerability in the BGP FlowSpec implementation may cause a Juniper Networks Junos OS device to terminate an established BGP session uponCVE-2020-161316.1Tiki before 21.2 allows XSS because [\s\/"\'] is not properly considered in lib/core/TikiFilter/PreventXss.php.CVE-2020-161348.0An issue was discovered on Swisscom Internet Box 2, Internet Box Standard, Internet Box Plus prior to 10.04.38, Internet Box 3 prior to 11.0
CVE-2020-16119: High severity, CVSS 7.8 | Vulnix