CVE-2019-15239

In the Linux kernel, a certain net/ipv4/tcp_output.c change, which was properly incorporated into 4.16.12, was incorrectly backported to the earlier longterm kernels, introducing a new vulnerability that was potentially more severe than the issue that was intended to be fixed by backporting. Specifically, by adding to a write queue between disconnection and re-connection, a local attacker can trigger multiple use-after-free conditions. This can result in a kernel crash, or potentially in privilege escalation. NOTE: this affects (for example) Linux distributions that use 4.9.x longterm kernels before 4.9.190 or 4.14.x longterm kernels before 4.14.139.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.8 HIGH
LOCAL
LOW
LOW
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 10%
Affected Products (NVD)
VendorProductVersion
linuxlinux_kernel
4.16.12
debiandebian_linux
9.0
debiandebian_linux
10.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
linux
bookworm
6.1.106-3
fixed
bookworm (security)
6.1.112-1
fixed
bullseye
5.10.223-1
fixed
bullseye (security)
5.10.226-1
fixed
sid
6.11.6-1
fixed
trixie
6.11.5-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
linux
bionic
not-affected
disco
not-affected
trusty
ignored
xenial
Fixed 4.4.0-165.193
released
linux-aws
bionic
not-affected
disco
not-affected
trusty
ignored
xenial
Fixed 4.4.0-1095.106
released
linux-aws-hwe
bionic
dne
disco
dne
trusty
dne
xenial
not-affected
linux-azure
bionic
not-affected
disco
not-affected
trusty
ignored
xenial
not-affected
linux-azure-edge
bionic
not-affected
disco
dne
trusty
dne
xenial
not-affected
linux-gcp
bionic
not-affected
disco
not-affected
trusty
dne
xenial
not-affected
linux-gcp-edge
bionic
not-affected
disco
dne
trusty
dne
xenial
dne
linux-gke-4.15
bionic
not-affected
disco
dne
trusty
dne
xenial
dne
linux-gke-5.0
bionic
not-affected
disco
dne
trusty
dne
xenial
dne
linux-hwe
bionic
not-affected
disco
dne
trusty
dne
xenial
not-affected
linux-hwe-edge
bionic
not-affected
disco
dne
trusty
dne
xenial
not-affected
linux-kvm
bionic
not-affected
disco
not-affected
trusty
dne
xenial
Fixed 4.4.0-1059.66
released
linux-lts-trusty
bionic
dne
disco
dne
trusty
dne
xenial
dne
linux-lts-xenial
bionic
dne
disco
dne
trusty
ignored
xenial
dne
linux-oem
bionic
not-affected
disco
not-affected
trusty
dne
xenial
ignored
linux-oracle
bionic
not-affected
disco
not-affected
trusty
dne
xenial
not-affected
linux-raspi2
bionic
not-affected
disco
not-affected
trusty
dne
xenial
Fixed 4.4.0-1123.132
released
linux-snapdragon
bionic
not-affected
disco
not-affected
trusty
dne
xenial
Fixed 4.4.0-1127.135
released
openSUSE logo
openSUSE / SLES Releases
openSUSE Product
Release
kernel-azure
suse enterprise sap 15
4.12.14-5.41.1
fixed
suse enterprise sap 15 SP1
4.12.14-8.16.1
fixed
suse enterprise server 15
4.12.14-5.41.1
fixed
suse enterprise server 15 SP1
4.12.14-8.16.1
fixed
kernel-azure-base
suse enterprise sap 15
4.12.14-5.41.1
fixed
suse enterprise sap 15 SP1
4.12.14-8.16.1
fixed
suse enterprise sap 15 SP2
4.12.14-8.16.1
fixed
suse enterprise sap 15 SP3
4.12.14-8.16.1
fixed
suse enterprise server 15
4.12.14-5.41.1
fixed
suse enterprise server 15 SP1
4.12.14-8.16.1
fixed
suse enterprise server 15 SP2
4.12.14-8.16.1
fixed
suse enterprise server 15 SP3
4.12.14-8.16.1
fixed
kernel-default
suse enterprise server 12 SP3
4.4.180-94.107.1
fixed
kernel-default-base
suse enterprise desktop 15
4.12.14-150.35.1
fixed
suse enterprise desktop 15 SP1
4.12.14-197.18.1
fixed
suse enterprise sap 15
4.12.14-150.35.1
fixed
suse enterprise sap 15 SP1
4.12.14-197.18.1
fixed
suse enterprise server 12 SP3
4.4.180-94.107.1
fixed
suse enterprise server 15
4.12.14-150.35.1
fixed
suse enterprise server 15 SP1
4.12.14-197.18.1
fixed
kernel-default-kgraft
suse enterprise server 12 SP3
4.4.180-94.107.1
fixed
kernel-default-man
suse enterprise desktop 15
4.12.14-150.35.1
fixed
suse enterprise desktop 15 SP1
4.12.14-197.18.1
fixed
suse enterprise desktop 15 SP2
4.12.14-197.18.1
fixed
suse enterprise sap 15
4.12.14-150.35.1
fixed
suse enterprise sap 15 SP1
4.12.14-197.18.1
fixed
suse enterprise sap 15 SP2
4.12.14-197.18.1
fixed
suse enterprise server 12 SP3
4.4.180-94.107.1
fixed
suse enterprise server 15
4.12.14-150.35.1
fixed
suse enterprise server 15 SP1
4.12.14-197.18.1
fixed
suse enterprise server 15 SP2
4.12.14-197.18.1
fixed
kernel-docs
suse enterprise desktop 15
4.12.14-150.35.1
fixed
suse enterprise desktop 15 SP1
4.12.14-197.18.1
fixed
suse enterprise sap 15
4.12.14-150.35.1
fixed
suse enterprise sap 15 SP1
4.12.14-197.18.1
fixed
suse enterprise server 15
4.12.14-150.35.1
fixed
suse enterprise server 15 SP1
4.12.14-197.18.1
fixed
kernel-macros
suse enterprise desktop 15
4.12.14-150.35.1
fixed
suse enterprise desktop 15 SP1
4.12.14-197.18.1
fixed
suse enterprise sap 15
4.12.14-150.35.1
fixed
suse enterprise sap 15 SP1
4.12.14-197.18.1
fixed
suse enterprise server 12 SP3
4.4.180-94.107.1
fixed
suse enterprise server 15
4.12.14-150.35.1
fixed
suse enterprise server 15 SP1
4.12.14-197.18.1
fixed
kernel-obs-build
suse enterprise desktop 15
4.12.14-150.35.1
fixed
suse enterprise desktop 15 SP1
4.12.14-197.18.1
fixed
suse enterprise sap 15
4.12.14-150.35.1
fixed
suse enterprise sap 15 SP1
4.12.14-197.18.1
fixed
suse enterprise server 15
4.12.14-150.35.1
fixed
suse enterprise server 15 SP1
4.12.14-197.18.1
fixed
kernel-source
suse enterprise desktop 15
4.12.14-150.35.1
fixed
suse enterprise desktop 15 SP1
4.12.14-197.18.1
fixed
suse enterprise sap 15
4.12.14-150.35.1
fixed
suse enterprise sap 15 SP1
4.12.14-197.18.1
fixed
suse enterprise server 12 SP3
4.4.180-94.107.1
fixed
suse enterprise server 15
4.12.14-150.35.1
fixed
suse enterprise server 15 SP1
4.12.14-197.18.1
fixed
kernel-source-azure
suse enterprise sap 15
4.12.14-5.41.1
fixed
suse enterprise sap 15 SP1
4.12.14-8.16.1
fixed
suse enterprise sap 15 SP2
4.12.14-5.41.1
fixed
suse enterprise sap 15 SP3
4.12.14-5.41.1
fixed
suse enterprise server 15
4.12.14-5.41.1
fixed
suse enterprise server 15 SP1
4.12.14-8.16.1
fixed
suse enterprise server 15 SP2
4.12.14-5.41.1
fixed
suse enterprise server 15 SP3
4.12.14-5.41.1
fixed
kernel-syms
suse enterprise desktop 15
4.12.14-150.35.1
fixed
suse enterprise desktop 15 SP1
4.12.14-197.18.1
fixed
suse enterprise sap 15
4.12.14-150.35.1
fixed
suse enterprise sap 15 SP1
4.12.14-197.18.1
fixed
suse enterprise server 12 SP3
4.4.180-94.107.1
fixed
suse enterprise server 15
4.12.14-150.35.1
fixed
suse enterprise server 15 SP1
4.12.14-197.18.1
fixed
kernel-syms-azure
suse enterprise sap 15
4.12.14-5.41.1
fixed
suse enterprise sap 15 SP1
4.12.14-8.16.1
fixed
suse enterprise server 15
4.12.14-5.41.1
fixed
suse enterprise server 15 SP1
4.12.14-8.16.1
fixed
kernel-vanilla-base
suse enterprise desktop 15
4.12.14-150.35.1
fixed
suse enterprise sap 15
4.12.14-150.35.1
fixed
suse enterprise server 15
4.12.14-150.35.1
fixed
kernel-zfcpdump
suse enterprise desktop 15
4.12.14-150.35.1
fixed
suse enterprise desktop 15 SP1
4.12.14-197.18.1
fixed
suse enterprise sap 15
4.12.14-150.35.1
fixed
suse enterprise sap 15 SP1
4.12.14-197.18.1
fixed
suse enterprise server 15
4.12.14-150.35.1
fixed
suse enterprise server 15 SP1
4.12.14-197.18.1
fixed
kgraft-patch-4_4_175-94_79-default-7
suse enterprise server 12 SP3
2.5
fixed
kgraft-patch-4_4_176-94_88-default-6
suse enterprise server 12 SP3
2.5
fixed
kgraft-patch-4_4_178-94_91-default-6
suse enterprise server 12 SP3
2.5
fixed
kgraft-patch-4_4_180-94_100-default-4
suse enterprise server 12 SP3
2.1
fixed
kgraft-patch-4_4_180-94_103-default-4
suse enterprise server 12 SP3
2.1
fixed
kgraft-patch-4_4_180-94_107-default-1
suse enterprise server 12 SP3
4.3.1
fixed
kgraft-patch-4_4_180-94_97-default-6
suse enterprise server 12 SP3
2.1
fixed
Red Hat logo
Red Hat Enterprise Linux Releases
Red Hat Product
Release
bpftool
RHEL 7
0:3.10.0-1062.7.1.el7
fixed
kernel
RHEL 7
0:3.10.0-1062.7.1.el7
fixed
kernel-abi-whitelists
RHEL 7
0:3.10.0-1062.7.1.el7
fixed
kernel-bootwrapper
RHEL 7
0:3.10.0-1062.7.1.el7
fixed
kernel-debug
RHEL 7
0:3.10.0-1062.7.1.el7
fixed
kernel-debug-devel
RHEL 7
0:3.10.0-1062.7.1.el7
fixed
kernel-devel
RHEL 7
0:3.10.0-1062.7.1.el7
fixed
kernel-doc
RHEL 7
0:3.10.0-1062.7.1.el7
fixed
kernel-headers
RHEL 7
0:3.10.0-1062.7.1.el7
fixed
kernel-kdump
RHEL 7
0:3.10.0-1062.7.1.el7
fixed
kernel-kdump-devel
RHEL 7
0:3.10.0-1062.7.1.el7
fixed
kernel-rt
RHEL 7
0:3.10.0-1062.7.1.rt56.1030.el7
fixed
kernel-rt-debug
RHEL 7
0:3.10.0-1062.7.1.rt56.1030.el7
fixed
kernel-rt-debug-devel
RHEL 7
0:3.10.0-1062.7.1.rt56.1030.el7
fixed
kernel-rt-debug-kvm
RHEL 7
0:3.10.0-1062.7.1.rt56.1030.el7
fixed
kernel-rt-devel
RHEL 7
0:3.10.0-1062.7.1.rt56.1030.el7
fixed
kernel-rt-doc
RHEL 7
0:3.10.0-1062.7.1.rt56.1030.el7
fixed
kernel-rt-kvm
RHEL 7
0:3.10.0-1062.7.1.rt56.1030.el7
fixed
kernel-rt-trace
RHEL 7
0:3.10.0-1062.7.1.rt56.1030.el7
fixed
kernel-rt-trace-devel
RHEL 7
0:3.10.0-1062.7.1.rt56.1030.el7
fixed
kernel-rt-trace-kvm
RHEL 7
0:3.10.0-1062.7.1.rt56.1030.el7
fixed
kernel-tools
RHEL 7
0:3.10.0-1062.7.1.el7
fixed
kernel-tools-libs
RHEL 7
0:3.10.0-1062.7.1.el7
fixed
kernel-tools-libs-devel
RHEL 7
0:3.10.0-1062.7.1.el7
fixed
kpatch-patch-3
RHEL 7
0:1-3.el7
fixed
perf
RHEL 7
0:3.10.0-1062.7.1.el7
fixed
python-perf
RHEL 7
0:3.10.0-1062.7.1.el7
fixed