CVE-2018-14656

A missing address check in the callers of the show_opcodes() in the Linux kernel allows an attacker to dump the kernel memory at an arbitrary kernel address into the dmesg log.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7 HIGH
LOCAL
HIGH
LOW
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
redhatCNA
7 HIGH
LOCAL
HIGH
LOW
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 26%
VendorProductVersion
linuxlinux_kernel
𝑥
≤ 4.18
linuxlinux_kernel
4.19:rc1
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
linux
bullseye
5.10.223-1
fixed
stretch
not-affected
jessie
not-affected
bullseye (security)
5.10.226-1
fixed
bookworm
6.1.106-3
fixed
bookworm (security)
6.1.112-1
fixed
trixie
6.11.5-1
fixed
sid
6.11.6-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
linux
cosmic
not-affected
bionic
not-affected
xenial
not-affected
trusty
not-affected
linux-aws
cosmic
not-affected
bionic
not-affected
xenial
not-affected
trusty
not-affected
linux-azure
cosmic
not-affected
bionic
not-affected
xenial
not-affected
trusty
not-affected
linux-azure-edge
cosmic
dne
bionic
not-affected
xenial
not-affected
trusty
dne
linux-euclid
cosmic
dne
bionic
dne
xenial
not-affected
trusty
dne
linux-flo
cosmic
dne
bionic
dne
xenial
ignored
trusty
dne
linux-gcp
cosmic
not-affected
bionic
not-affected
xenial
not-affected
trusty
dne
linux-gke
cosmic
dne
bionic
dne
xenial
ignored
trusty
dne
linux-goldfish
cosmic
dne
bionic
dne
xenial
ignored
trusty
dne
linux-grouper
cosmic
dne
bionic
dne
xenial
dne
trusty
dne
linux-hwe
cosmic
dne
bionic
not-affected
xenial
not-affected
trusty
dne
linux-hwe-edge
cosmic
dne
bionic
not-affected
xenial
not-affected
trusty
dne
linux-kvm
cosmic
not-affected
bionic
not-affected
xenial
not-affected
trusty
dne
linux-lts-trusty
cosmic
dne
bionic
dne
xenial
dne
trusty
dne
linux-lts-utopic
cosmic
dne
bionic
dne
xenial
dne
trusty
dne
linux-lts-vivid
cosmic
dne
bionic
dne
xenial
dne
trusty
dne
linux-lts-wily
cosmic
dne
bionic
dne
xenial
dne
trusty
dne
linux-lts-xenial
cosmic
dne
bionic
dne
xenial
dne
trusty
not-affected
linux-maguro
cosmic
dne
bionic
dne
xenial
dne
trusty
dne
linux-mako
cosmic
dne
bionic
dne
xenial
ignored
trusty
dne
linux-manta
cosmic
dne
bionic
dne
xenial
dne
trusty
dne
linux-oem
cosmic
not-affected
bionic
not-affected
xenial
not-affected
trusty
dne
linux-raspi2
cosmic
not-affected
bionic
not-affected
xenial
not-affected
trusty
dne
linux-snapdragon
cosmic
dne
bionic
not-affected
xenial
not-affected
trusty
dne
Common Weakness Enumeration
References
http://www.securitytracker.com/id/1041804
https://bugs.chromium.org/p/project-zero/issues/detail?id=1650
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14656
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=342db04ae71273322f0011384a9ed414df8bdae4
https://lore.kernel.org/lkml/20180828154901.112726-1-jannh%40google.com/T/
https://seclists.org/oss-sec/2018/q4/9
http://www.securitytracker.com/id/1041804
https://bugs.chromium.org/p/project-zero/issues/detail?id=1650
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14656
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=342db04ae71273322f0011384a9ed414df8bdae4
https://lore.kernel.org/lkml/20180828154901.112726-1-jannh%40google.com/T/
https://seclists.org/oss-sec/2018/q4/9