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CVE-2019-11815

Published: 8 May 2019

An issue was discovered in rds_tcp_kill_sock in net/rds/tcp.c in the Linux kernel before 5.0.8. There is a race condition leading to a use-after-free, related to net namespace cleanup.

From the Ubuntu security team

It was discovered that a race condition leading to a use-after-free existed in the Reliable Datagram Sockets (RDS) protocol implementation in the Linux kernel. The RDS protocol is blacklisted by default in Ubuntu. If enabled, a local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code.

Priority

Medium

CVSS 3 base score: 8.1

Status

Package Release Status
linux
Launchpad, Ubuntu, Debian
bionic
Released (4.15.0-55.60)
cosmic Ignored
(was pending \[4.18.0-26.27\] now end-of-life)
disco
Released (5.0.0-16.17)
precise Not vulnerable
(3.0.0-12.20)
trusty Not vulnerable
(3.11.0-12.19)
upstream
Released (5.1~rc4)
xenial
Released (4.4.0-150.176)
linux-aws
Launchpad, Ubuntu, Debian
bionic
Released (4.15.0-1047.49)
cosmic Ignored
(was pending \[4.18.0-1021.25\] now end-of-life)
disco
Released (5.0.0-1007.7)
precise Does not exist

trusty
Released (4.4.0-1045.48)
upstream
Released (5.1~rc4)
xenial
Released (4.4.0-1084.94)
linux-aws-hwe
Launchpad, Ubuntu, Debian
bionic Does not exist

cosmic Does not exist

disco Does not exist

precise Does not exist

trusty Does not exist

upstream
Released (5.1~rc4)
xenial
Released (4.15.0-1047.49~16.04.1)
linux-azure
Launchpad, Ubuntu, Debian
bionic
Released (4.18.0-1025.27~18.04.1)
cosmic Ignored
(was pending \[4.18.0-1025.27\] now end-of-life)
disco
Released (5.0.0-1008.8)
precise Does not exist

trusty Ignored
(was needed ESM criteria)
upstream
Released (5.1~rc4)
xenial
Released (4.15.0-1051.56)
linux-azure-edge
Launchpad, Ubuntu, Debian
bionic
Released (4.18.0-1025.27~18.04.1)
cosmic Does not exist

disco Does not exist

precise Does not exist

trusty Does not exist

upstream
Released (5.1~rc4)
xenial
Released (4.15.0-1051.56)
linux-euclid
Launchpad, Ubuntu, Debian
bionic Does not exist

cosmic Does not exist

disco Does not exist

precise Does not exist

trusty Does not exist

upstream
Released (5.1~rc4)
xenial Ignored
(was needs-triage now end-of-life)
linux-flo
Launchpad, Ubuntu, Debian
bionic Does not exist

cosmic Does not exist

disco Does not exist

precise Does not exist

trusty Does not exist

upstream
Released (5.1~rc4)
xenial Ignored
(abandoned)
linux-gcp
Launchpad, Ubuntu, Debian
bionic
Released (4.15.0-1037.39)
cosmic Ignored
(was pending \[4.18.0-1016.17\] now end-of-life)
disco
Released (5.0.0-1007.7)
precise Does not exist

trusty Does not exist

upstream
Released (5.1~rc4)
xenial
Released (4.15.0-1037.39~16.04.1)
linux-gcp-edge
Launchpad, Ubuntu, Debian
bionic
Released (4.15.0-1037.39)
cosmic Does not exist

disco Does not exist

precise Does not exist

trusty Does not exist

upstream
Released (5.1~rc4)
xenial Does not exist

linux-gke
Launchpad, Ubuntu, Debian
bionic Does not exist

cosmic Does not exist

disco Does not exist

precise Does not exist

trusty Does not exist

upstream
Released (5.1~rc4)
xenial Ignored
(end-of-life)
linux-gke-4.15
Launchpad, Ubuntu, Debian
bionic
Released (4.15.0-1037.39)
disco Does not exist

precise Does not exist

trusty Does not exist

upstream
Released (5.1~rc4)
xenial Does not exist

linux-gke-5.0
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(5.0.0-1011.11~18.04.1)
disco Does not exist

precise Does not exist

trusty Does not exist

upstream
Released (5.1~rc4)
xenial Does not exist

linux-goldfish
Launchpad, Ubuntu, Debian
bionic Does not exist

cosmic Does not exist

disco Does not exist

precise Does not exist

trusty Does not exist

upstream
Released (5.1~rc4)
xenial Ignored
(end-of-life)
linux-grouper
Launchpad, Ubuntu, Debian
bionic Does not exist

cosmic Does not exist

disco Does not exist

precise Does not exist

trusty Does not exist

upstream
Released (5.1~rc4)
xenial Does not exist

linux-hwe
Launchpad, Ubuntu, Debian
bionic
Released (5.0.0-23.24~18.04.1)
cosmic Does not exist

disco Does not exist

precise Does not exist

trusty Does not exist

upstream
Released (5.1~rc4)
xenial
Released (4.15.0-55.60~16.04.2)
linux-hwe-edge
Launchpad, Ubuntu, Debian
bionic
Released (5.0.0-16.17~18.04.1)
cosmic Does not exist

disco Does not exist

precise Does not exist

trusty Does not exist

upstream
Released (5.1~rc4)
xenial
Released (4.15.0-55.60~16.04.2)
linux-kvm
Launchpad, Ubuntu, Debian
bionic
Released (4.15.0-1039.39)
cosmic Ignored
(was pending \[4.18.0-1017.18\] now end-of-life)
disco
Released (5.0.0-1007.7)
precise Does not exist

trusty Does not exist

upstream
Released (5.1~rc4)
xenial
Released (4.4.0-1047.53)
linux-lts-trusty
Launchpad, Ubuntu, Debian
bionic Does not exist

cosmic Does not exist

disco Does not exist

precise Not vulnerable
(3.13.0-24.46~precise1)
trusty Does not exist

upstream
Released (5.1~rc4)
xenial Does not exist

linux-lts-utopic
Launchpad, Ubuntu, Debian
bionic Does not exist

cosmic Does not exist

disco Does not exist

precise Does not exist

trusty Does not exist

upstream
Released (5.1~rc4)
xenial Does not exist

linux-lts-vivid
Launchpad, Ubuntu, Debian
bionic Does not exist

cosmic Does not exist

disco Does not exist

precise Does not exist

trusty Does not exist

upstream
Released (5.1~rc4)
xenial Does not exist

linux-lts-wily
Launchpad, Ubuntu, Debian
bionic Does not exist

cosmic Does not exist

disco Does not exist

precise Does not exist

trusty Does not exist

upstream
Released (5.1~rc4)
xenial Does not exist

linux-lts-xenial
Launchpad, Ubuntu, Debian
bionic Does not exist

cosmic Does not exist

disco Does not exist

precise Does not exist

trusty
Released (4.4.0-150.176~14.04.1)
upstream
Released (5.1~rc4)
xenial Does not exist

linux-maguro
Launchpad, Ubuntu, Debian
bionic Does not exist

cosmic Does not exist

disco Does not exist

precise Does not exist

trusty Does not exist

upstream
Released (5.1~rc4)
xenial Does not exist

linux-mako
Launchpad, Ubuntu, Debian
bionic Does not exist

cosmic Does not exist

disco Does not exist

precise Does not exist

trusty Does not exist

upstream
Released (5.1~rc4)
xenial Ignored
(abandoned)
linux-manta
Launchpad, Ubuntu, Debian
bionic Does not exist

cosmic Does not exist

disco Does not exist

precise Does not exist

trusty Does not exist

upstream
Released (5.1~rc4)
xenial Does not exist

linux-oem
Launchpad, Ubuntu, Debian
bionic
Released (4.15.0-1050.57)
cosmic Ignored
(reached end-of-life)
disco
Released (4.15.0-1050.57)
precise Does not exist

trusty Does not exist

upstream
Released (5.1~rc4)
xenial Ignored
(was needs-triage now end-of-life)
linux-oracle
Launchpad, Ubuntu, Debian
bionic
Released (4.15.0-1018.20)
cosmic Ignored
(was released \[4.15.0-1018.20\] now end-of-life)
disco
Released (4.15.0-1018.20)
precise Does not exist

trusty Does not exist

upstream
Released (5.1~rc4)
xenial
Released (4.15.0-1018.20~16.04.1)
linux-raspi2
Launchpad, Ubuntu, Debian
bionic
Released (4.15.0-1041.44)
cosmic Ignored
(was pending \[4.18.0-1019.22\] now end-of-life)
disco
Released (5.0.0-1009.9)
precise Does not exist

trusty Does not exist

upstream
Released (5.1~rc4)
xenial
Released (4.4.0-1110.118)
linux-snapdragon
Launchpad, Ubuntu, Debian
bionic
Released (4.15.0-1058.64)
cosmic Does not exist

disco
Released (5.0.0-1013.13)
precise Does not exist

trusty Does not exist

upstream
Released (5.1~rc4)
xenial
Released (4.4.0-1114.119)