CVE-2018-14678

An issue was discovered in the Linux kernel through 4.17.11, as used in Xen through 4.11.x. The xen_failsafe_callback entry point in arch/x86/entry/entry_64.S does not properly maintain RBX, which allows local users to cause a denial of service (uninitialized memory usage and system crash). Within Xen, 64-bit x86 PV Linux guest OS users can trigger a guest OS crash or possibly gain privileges.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.8 HIGH
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
mitreCNA
---
---
CVEADP
---
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Base Score
CVSS 3.x
EPSS Score
Percentile: 26%
VendorProductVersion
linuxlinux_kernel
4.14.21 ≤
𝑥
< 4.14.61
linuxlinux_kernel
4.15.5 ≤
𝑥
< 4.17.13
xenxen
𝑥
≤ 4.11.0
debiandebian_linux
8.0
debiandebian_linux
9.0
canonicalubuntu_linux
14.04
canonicalubuntu_linux
16.04
canonicalubuntu_linux
18.04
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
linux
bullseye
5.10.223-1
fixed
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
disco
not-affected
cosmic
not-affected
bionic
Fixed 4.15.0-47.50
released
xenial
not-affected
trusty
not-affected
linux-aws
disco
not-affected
cosmic
not-affected
bionic
Fixed 4.15.0-1035.37
released
xenial
not-affected
trusty
not-affected
linux-aws-hwe
disco
dne
cosmic
dne
bionic
dne
xenial
Fixed 4.15.0-1035.37~16.04.1
released
trusty
dne
linux-azure
disco
not-affected
cosmic
not-affected
bionic
Fixed 4.18.0-1011.11~18.04.1
released
xenial
Fixed 4.15.0-1041.45
released
trusty
Fixed 4.15.0-1041.45~14.04.1
released
linux-azure-edge
disco
dne
cosmic
dne
bionic
Fixed 4.18.0-1011.11~18.04.1
released
xenial
Fixed 4.15.0-1041.45
released
trusty
dne
linux-euclid
disco
dne
cosmic
dne
bionic
dne
xenial
not-affected
trusty
dne
linux-flo
disco
dne
cosmic
dne
bionic
dne
xenial
ignored
trusty
dne
linux-gcp
disco
not-affected
cosmic
not-affected
bionic
Fixed 4.15.0-1029.31
released
xenial
Fixed 4.15.0-1029.31~16.04.1
released
trusty
dne
linux-gcp-edge
disco
dne
cosmic
dne
bionic
not-affected
xenial
dne
trusty
dne
linux-gke
disco
dne
cosmic
dne
bionic
not-affected
xenial
ignored
trusty
dne
linux-goldfish
disco
dne
cosmic
dne
bionic
dne
xenial
ignored
trusty
dne
linux-grouper
disco
dne
cosmic
dne
bionic
dne
xenial
dne
trusty
dne
linux-hwe
disco
dne
cosmic
dne
bionic
not-affected
xenial
Fixed 4.15.0-47.50~16.04.1
released
trusty
dne
linux-hwe-edge
disco
dne
cosmic
dne
bionic
not-affected
xenial
Fixed 4.15.0-47.50~16.04.1
released
trusty
dne
linux-kvm
disco
not-affected
cosmic
not-affected
bionic
Fixed 4.15.0-1031.31
released
xenial
not-affected
trusty
dne
linux-lts-trusty
disco
dne
cosmic
dne
bionic
dne
xenial
dne
trusty
dne
linux-lts-utopic
disco
dne
cosmic
dne
bionic
dne
xenial
dne
trusty
ignored
linux-lts-vivid
disco
dne
cosmic
dne
bionic
dne
xenial
dne
trusty
ignored
linux-lts-wily
disco
dne
cosmic
dne
bionic
dne
xenial
dne
trusty
ignored
linux-lts-xenial
disco
dne
cosmic
dne
bionic
dne
xenial
dne
trusty
not-affected
linux-maguro
disco
dne
cosmic
dne
bionic
dne
xenial
dne
trusty
dne
linux-mako
disco
dne
cosmic
dne
bionic
dne
xenial
ignored
trusty
dne
linux-manta
disco
dne
cosmic
dne
bionic
dne
xenial
dne
trusty
dne
linux-oem
disco
not-affected
cosmic
Fixed 4.15.0-1035.40
released
bionic
Fixed 4.15.0-1035.40
released
xenial
not-affected
trusty
dne
linux-oracle
disco
not-affected
cosmic
Fixed 4.15.0-1010.12
released
bionic
Fixed 4.15.0-1010.12
released
xenial
Fixed 4.15.0-1010.12~16.04.1
released
trusty
dne
linux-raspi2
disco
not-affected
cosmic
not-affected
bionic
Fixed 4.15.0-1033.35
released
xenial
not-affected
trusty
dne
linux-snapdragon
disco
not-affected
cosmic
dne
bionic
not-affected
xenial
not-affected
trusty
dne