CVE-2018-18386

drivers/tty/n_tty.c in the Linux kernel before 4.14.11 allows local attackers (who are able to access pseudo terminals) to hang/block further usage of any pseudo terminal devices due to an EXTPROC versus ICANON confusion in TIOCINQ.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
3.3 LOW
LOCAL
LOW
LOW
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Base Score
CVSS 3.x
EPSS Score
Percentile: 12%
Affected Products (NVD)
VendorProductVersion
linuxlinux_kernel
𝑥
< 4.14.11
canonicalubuntu_linux
12.04
canonicalubuntu_linux
14.04
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
cosmic
not-affected
trusty
Fixed 3.13.0-164.214
released
xenial
Fixed 4.4.0-119.143
released
linux-aws
bionic
not-affected
cosmic
not-affected
trusty
Fixed 4.4.0-1016.16
released
xenial
Fixed 4.4.0-1054.63
released
linux-aws-hwe
bionic
dne
cosmic
dne
trusty
dne
xenial
not-affected
linux-azure
bionic
not-affected
cosmic
not-affected
trusty
not-affected
xenial
Fixed 4.15.0-1013.13~16.04.2
released
linux-azure-edge
bionic
not-affected
cosmic
dne
trusty
dne
xenial
Fixed 4.15.0-1013.13~16.04.2
released
linux-euclid
bionic
dne
cosmic
dne
trusty
dne
xenial
ignored
linux-flo
bionic
dne
cosmic
dne
trusty
dne
xenial
ignored
linux-gcp
bionic
not-affected
cosmic
not-affected
trusty
dne
xenial
Fixed 4.15.0-1014.14~16.04.1
released
linux-gcp-edge
bionic
not-affected
cosmic
dne
trusty
dne
xenial
dne
linux-gke
bionic
dne
cosmic
dne
trusty
dne
xenial
ignored
linux-goldfish
bionic
dne
cosmic
dne
trusty
dne
xenial
ignored
linux-grouper
bionic
dne
cosmic
dne
trusty
dne
xenial
dne
linux-hwe
bionic
not-affected
cosmic
dne
trusty
dne
xenial
Fixed 4.15.0-24.26~16.04.1
released
linux-hwe-edge
bionic
not-affected
cosmic
dne
trusty
dne
xenial
Fixed 4.15.0-24.26~16.04.1
released
linux-kvm
bionic
not-affected
cosmic
not-affected
trusty
dne
xenial
Fixed 4.4.0-1020.25
released
linux-lts-trusty
bionic
dne
cosmic
dne
trusty
dne
xenial
dne
linux-lts-utopic
bionic
dne
cosmic
dne
trusty
dne
xenial
dne
linux-lts-vivid
bionic
dne
cosmic
dne
trusty
dne
xenial
dne
linux-lts-wily
bionic
dne
cosmic
dne
trusty
dne
xenial
dne
linux-lts-xenial
bionic
dne
cosmic
dne
trusty
Fixed 4.4.0-119.143~14.04.1
released
xenial
dne
linux-maguro
bionic
dne
cosmic
dne
trusty
dne
xenial
dne
linux-mako
bionic
dne
cosmic
dne
trusty
dne
xenial
ignored
linux-manta
bionic
dne
cosmic
dne
trusty
dne
xenial
dne
linux-oem
bionic
not-affected
cosmic
not-affected
trusty
dne
xenial
ignored
linux-oracle
bionic
not-affected
cosmic
not-affected
trusty
dne
xenial
not-affected
linux-raspi2
bionic
not-affected
cosmic
not-affected
trusty
dne
xenial
Fixed 4.4.0-1086.94
released
linux-snapdragon
bionic
not-affected
cosmic
dne
trusty
dne
xenial
Fixed 4.4.0-1088.93
released
openSUSE logo
openSUSE / SLES Releases
openSUSE Product
Release
kernel-azure
suse enterprise sap 12 SP4
4.12.14-6.3.1
fixed
suse enterprise sap 15
4.12.14-5.16.1
fixed
suse enterprise server 12 SP4
4.12.14-6.3.1
fixed
suse enterprise server 15
4.12.14-5.16.1
fixed
kernel-azure-base
suse enterprise sap 12 SP4
4.12.14-6.3.1
fixed
suse enterprise sap 15
4.12.14-5.16.1
fixed
suse enterprise sap 15 SP2
4.12.14-8.30.1
fixed
suse enterprise sap 15 SP3
4.12.14-8.58.1
fixed
suse enterprise server 12 SP4
4.12.14-6.3.1
fixed
suse enterprise server 15
4.12.14-5.16.1
fixed
suse enterprise server 15 SP2
4.12.14-8.30.1
fixed
suse enterprise server 15 SP3
4.12.14-8.58.1
fixed
kernel-default
suse enterprise desktop 15 SP1
4.12.14-195.1
fixed
suse enterprise sap 12 SP4
4.12.14-95.3.1
fixed
suse enterprise sap 15 SP1
4.12.14-195.1
fixed
suse enterprise server 12
3.12.61-52.149.1
fixed
suse enterprise server 12 SP1
3.12.74-60.64.110.1
fixed
suse enterprise server 12 SP2
4.4.121-92.101.1
fixed
suse enterprise server 12 SP4
4.12.14-95.3.1
fixed
suse enterprise server 15 SP1
4.12.14-195.1
fixed
kernel-default-base
suse enterprise desktop 15 SP1
4.12.14-195.1
fixed
suse enterprise sap 12 SP4
4.12.14-95.3.1
fixed
suse enterprise sap 15 SP1
4.12.14-195.1
fixed
suse enterprise server 12
3.12.61-52.149.1
fixed
suse enterprise server 12 SP1
3.12.74-60.64.110.1
fixed
suse enterprise server 12 SP2
4.4.121-92.101.1
fixed
suse enterprise server 12 SP4
4.12.14-95.3.1
fixed
suse enterprise server 15 SP1
4.12.14-195.1
fixed
kernel-default-man
suse enterprise desktop 15
4.12.14-25.25.1
fixed
suse enterprise desktop 15 SP1
4.12.14-195.1
fixed
suse enterprise desktop 15 SP2
4.12.14-197.40.1
fixed
suse enterprise sap 12 SP4
4.12.14-95.3.1
fixed
suse enterprise sap 15
4.12.14-25.25.1
fixed
suse enterprise sap 15 SP1
4.12.14-195.1
fixed
suse enterprise sap 15 SP2
4.12.14-197.40.1
fixed
suse enterprise server 12
3.12.61-52.149.1
fixed
suse enterprise server 12 SP1
3.12.74-60.64.110.1
fixed
suse enterprise server 12 SP2
4.4.121-92.101.1
fixed
suse enterprise server 12 SP4
4.12.14-95.3.1
fixed
suse enterprise server 15
4.12.14-25.25.1
fixed
suse enterprise server 15 SP1
4.12.14-195.1
fixed
suse enterprise server 15 SP2
4.12.14-197.40.1
fixed
kernel-docs
suse enterprise desktop 15
4.12.14-25.25.1
fixed
suse enterprise desktop 15 SP1
4.12.14-195.1
fixed
suse enterprise sap 15
4.12.14-25.25.1
fixed
suse enterprise sap 15 SP1
4.12.14-195.1
fixed
suse enterprise server 15
4.12.14-25.25.1
fixed
suse enterprise server 15 SP1
4.12.14-195.1
fixed
kernel-ec2
suse enterprise sap 12
3.12.74-60.64.110.1
fixed
suse enterprise sap 12 SP3
3.12.74-60.64.110.1
fixed
suse enterprise sap 12 SP4
3.12.74-60.64.110.1
fixed
suse enterprise sap 12 SP5
3.12.74-60.64.110.1
fixed
suse enterprise server 12
3.12.74-60.64.110.1
fixed
suse enterprise server 12 SP3
3.12.74-60.64.110.1
fixed
suse enterprise server 12 SP4
3.12.74-60.64.110.1
fixed
suse enterprise server 12 SP5
3.12.74-60.64.110.1
fixed
kernel-ec2-extra
suse enterprise sap 12
3.12.74-60.64.110.1
fixed
suse enterprise sap 12 SP3
3.12.74-60.64.110.1
fixed
suse enterprise sap 12 SP4
3.12.74-60.64.110.1
fixed
suse enterprise sap 12 SP5
3.12.74-60.64.110.1
fixed
suse enterprise server 12
3.12.74-60.64.110.1
fixed
suse enterprise server 12 SP3
3.12.74-60.64.110.1
fixed
suse enterprise server 12 SP4
3.12.74-60.64.110.1
fixed
suse enterprise server 12 SP5
3.12.74-60.64.110.1
fixed
kernel-macros
suse enterprise desktop 15
4.12.14-25.25.1
fixed
suse enterprise desktop 15 SP1
4.12.14-195.1
fixed
suse enterprise sap 12 SP4
4.12.14-95.3.1
fixed
suse enterprise sap 15
4.12.14-25.25.1
fixed
suse enterprise sap 15 SP1
4.12.14-195.1
fixed
suse enterprise server 12
3.12.61-52.149.1
fixed
suse enterprise server 12 SP1
3.12.74-60.64.110.1
fixed
suse enterprise server 12 SP2
4.4.121-92.101.1
fixed
suse enterprise server 12 SP4
4.12.14-95.3.1
fixed
suse enterprise server 15
4.12.14-25.25.1
fixed
suse enterprise server 15 SP1
4.12.14-195.1
fixed
kernel-obs-build
suse enterprise desktop 15
4.12.14-25.25.1
fixed
suse enterprise desktop 15 SP1
4.12.14-195.1
fixed
suse enterprise sap 15
4.12.14-25.25.1
fixed
suse enterprise sap 15 SP1
4.12.14-195.1
fixed
suse enterprise server 15
4.12.14-25.25.1
fixed
suse enterprise server 15 SP1
4.12.14-195.1
fixed
kernel-source
suse enterprise desktop 15
4.12.14-25.25.1
fixed
suse enterprise desktop 15 SP1
4.12.14-195.1
fixed
suse enterprise sap 12 SP4
4.12.14-95.3.1
fixed
suse enterprise sap 15
4.12.14-25.25.1
fixed
suse enterprise sap 15 SP1
4.12.14-195.1
fixed
suse enterprise server 12
3.12.61-52.149.1
fixed
suse enterprise server 12 SP1
3.12.74-60.64.110.1
fixed
suse enterprise server 12 SP2
4.4.121-92.101.1
fixed
suse enterprise server 12 SP4
4.12.14-95.3.1
fixed
suse enterprise server 15
4.12.14-25.25.1
fixed
suse enterprise server 15 SP1
4.12.14-195.1
fixed
kernel-source-azure
suse enterprise sap 12 SP4
4.12.14-6.3.1
fixed
suse enterprise sap 15
4.12.14-5.16.1
fixed
suse enterprise sap 15 SP2
4.12.14-5.16.1
fixed
suse enterprise sap 15 SP3
4.12.14-5.16.1
fixed
suse enterprise server 12 SP4
4.12.14-6.3.1
fixed
suse enterprise server 15
4.12.14-5.16.1
fixed
suse enterprise server 15 SP2
4.12.14-5.16.1
fixed
suse enterprise server 15 SP3
4.12.14-5.16.1
fixed
kernel-syms
suse enterprise desktop 15
4.12.14-25.25.1
fixed
suse enterprise desktop 15 SP1
4.12.14-195.1
fixed
suse enterprise sap 12 SP4
4.12.14-95.3.1
fixed
suse enterprise sap 15
4.12.14-25.25.1
fixed
suse enterprise sap 15 SP1
4.12.14-195.1
fixed
suse enterprise server 12
3.12.61-52.149.1
fixed
suse enterprise server 12 SP1
3.12.74-60.64.110.1
fixed
suse enterprise server 12 SP2
4.4.121-92.101.1
fixed
suse enterprise server 12 SP4
4.12.14-95.3.1
fixed
suse enterprise server 15
4.12.14-25.25.1
fixed
suse enterprise server 15 SP1
4.12.14-195.1
fixed
kernel-syms-azure
suse enterprise sap 12 SP4
4.12.14-6.3.1
fixed
suse enterprise sap 15
4.12.14-5.16.1
fixed
suse enterprise server 12 SP4
4.12.14-6.3.1
fixed
suse enterprise server 15
4.12.14-5.16.1
fixed
kernel-vanilla-base
suse enterprise desktop 15
4.12.14-25.25.1
fixed
suse enterprise sap 15
4.12.14-25.25.1
fixed
suse enterprise server 15
4.12.14-25.25.1
fixed
kernel-xen
suse enterprise server 12
3.12.61-52.149.1
fixed
suse enterprise server 12 SP1
3.12.74-60.64.110.1
fixed
kernel-xen-base
suse enterprise server 12
3.12.61-52.149.1
fixed
suse enterprise server 12 SP1
3.12.74-60.64.110.1
fixed
kernel-zfcpdump
suse enterprise desktop 15
4.12.14-25.25.1
fixed
suse enterprise desktop 15 SP1
4.12.14-195.1
fixed
suse enterprise sap 15
4.12.14-25.25.1
fixed
suse enterprise sap 15 SP1
4.12.14-195.1
fixed
suse enterprise server 15
4.12.14-25.25.1
fixed
suse enterprise server 15 SP1
4.12.14-195.1
fixed
kgraft-patch-3_12_61-52_106-default-11
suse enterprise server 12
2.1
fixed
kgraft-patch-3_12_61-52_106-xen-11
suse enterprise server 12
2.1
fixed
kgraft-patch-3_12_61-52_111-default-10
suse enterprise server 12
2.1
fixed
kgraft-patch-3_12_61-52_111-xen-10
suse enterprise server 12
2.1
fixed
kgraft-patch-3_12_61-52_119-default-10
suse enterprise server 12
2.1
fixed
kgraft-patch-3_12_61-52_119-xen-10
suse enterprise server 12
2.1
fixed
kgraft-patch-3_12_61-52_122-default-10
suse enterprise server 12
2.1
fixed
kgraft-patch-3_12_61-52_122-xen-10
suse enterprise server 12
2.1
fixed
kgraft-patch-3_12_61-52_125-default-9
suse enterprise server 12
2.1
fixed
kgraft-patch-3_12_61-52_125-xen-9
suse enterprise server 12
2.1
fixed
kgraft-patch-3_12_61-52_128-default-7
suse enterprise server 12
2.1
fixed
kgraft-patch-3_12_61-52_128-xen-7
suse enterprise server 12
2.1
fixed
kgraft-patch-3_12_61-52_133-default-6
suse enterprise server 12
2.1
fixed
kgraft-patch-3_12_61-52_133-xen-6
suse enterprise server 12
2.1
fixed
kgraft-patch-3_12_61-52_136-default-6
suse enterprise server 12
2.1
fixed
kgraft-patch-3_12_61-52_136-xen-6
suse enterprise server 12
2.1
fixed
kgraft-patch-3_12_61-52_141-default-5
suse enterprise server 12
2.1
fixed
kgraft-patch-3_12_61-52_141-xen-5
suse enterprise server 12
2.1
fixed
kgraft-patch-3_12_61-52_146-default-3
suse enterprise server 12
2.1
fixed
kgraft-patch-3_12_61-52_146-xen-3
suse enterprise server 12
2.1
fixed
kgraft-patch-3_12_61-52_149-default-1
suse enterprise server 12
1.3.1
fixed
kgraft-patch-3_12_61-52_149-xen-1
suse enterprise server 12
1.3.1
fixed
kgraft-patch-3_12_74-60_64_104-default-3
suse enterprise server 12 SP1
2.1
fixed
kgraft-patch-3_12_74-60_64_104-xen-3
suse enterprise server 12 SP1
2.1
fixed
kgraft-patch-3_12_74-60_64_107-default-3
suse enterprise server 12 SP1
2.1
fixed
kgraft-patch-3_12_74-60_64_107-xen-3
suse enterprise server 12 SP1
2.1
fixed
kgraft-patch-3_12_74-60_64_110-default-1
suse enterprise server 12 SP1
2.3.1
fixed
kgraft-patch-3_12_74-60_64_110-xen-1
suse enterprise server 12 SP1
2.3.1
fixed
kgraft-patch-3_12_74-60_64_66-default-10
suse enterprise server 12 SP1
2.1
fixed
kgraft-patch-3_12_74-60_64_66-xen-10
suse enterprise server 12 SP1
2.1
fixed
kgraft-patch-3_12_74-60_64_69-default-9
suse enterprise server 12 SP1
2.1
fixed
kgraft-patch-3_12_74-60_64_69-xen-9
suse enterprise server 12 SP1
2.1
fixed
kgraft-patch-3_12_74-60_64_82-default-9
suse enterprise server 12 SP1
2.1
fixed
kgraft-patch-3_12_74-60_64_82-xen-9
suse enterprise server 12 SP1
2.1
fixed
kgraft-patch-3_12_74-60_64_85-default-9
suse enterprise server 12 SP1
2.1
fixed
kgraft-patch-3_12_74-60_64_85-xen-9
suse enterprise server 12 SP1
2.1
fixed
kgraft-patch-3_12_74-60_64_88-default-7
suse enterprise server 12 SP1
2.1
fixed
kgraft-patch-3_12_74-60_64_88-xen-7
suse enterprise server 12 SP1
2.1
fixed
kgraft-patch-3_12_74-60_64_93-default-6
suse enterprise server 12 SP1
2.1
fixed
kgraft-patch-3_12_74-60_64_93-xen-6
suse enterprise server 12 SP1
2.1
fixed
kgraft-patch-3_12_74-60_64_96-default-6
suse enterprise server 12 SP1
2.1
fixed
kgraft-patch-3_12_74-60_64_96-xen-6
suse enterprise server 12 SP1
2.1
fixed
kgraft-patch-3_12_74-60_64_99-default-5
suse enterprise server 12 SP1
2.1
fixed
kgraft-patch-3_12_74-60_64_99-xen-5
suse enterprise server 12 SP1
2.1
fixed
kgraft-patch-4_4_103-92_53-default-11
suse enterprise server 12 SP2
2.1
fixed
kgraft-patch-4_4_103-92_56-default-11
suse enterprise server 12 SP2
2.1
fixed
kgraft-patch-4_4_121-92_101-default-1
suse enterprise server 12 SP2
3.3.1
fixed
kgraft-patch-4_4_90-92_50-default-12
suse enterprise server 12 SP2
2.1
fixed
lttng-modules
suse enterprise server 12 SP1
2.7.0-4.4.1
fixed
suse enterprise server 12 SP3
2.7.1-10.2.1
fixed
Common Weakness Enumeration
References
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=966031f340185eddd05affcf72b740549f056348
https://access.redhat.com/errata/RHSA-2019:0831
https://bugzilla.suse.com/show_bug.cgi?id=1094825
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.11
https://github.com/torvalds/linux/commit/966031f340185eddd05affcf72b740549f056348
https://usn.ubuntu.com/3849-1/
https://usn.ubuntu.com/3849-2/
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=966031f340185eddd05affcf72b740549f056348
https://access.redhat.com/errata/RHSA-2019:0831
https://bugzilla.suse.com/show_bug.cgi?id=1094825
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.11
https://github.com/torvalds/linux/commit/966031f340185eddd05affcf72b740549f056348
https://usn.ubuntu.com/3849-1/
https://usn.ubuntu.com/3849-2/