CVE-2018-16880

EUVD-2018-8670
A flaw was found in the Linux kernel's handle_rx() function in the [vhost_net] driver. A malicious virtual guest, under specific conditions, can trigger an out-of-bounds write in a kmalloc-8 slab on a virtual host which may lead to a kernel memory corruption and a system panic. Due to the nature of the flaw, privilege escalation cannot be fully ruled out. Versions from v4.16 and newer are vulnerable.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7 HIGH
LOCAL
HIGH
LOW
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
redhatCNA
5.9 MEDIUM
ADJACENT_NETWORK
HIGH
NONE
CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 27%
Affected Products (NVD)
VendorProductVersion
linuxlinux_kernel
4.16 ≤
𝑥
< 4.19.20
linuxlinux_kernel
4.20 ≤
𝑥
< 4.20.7
canonicalubuntu_linux
18.04
canonicalubuntu_linux
18.10
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
jessie
not-affected
sid
6.11.5-1
fixed
stretch
not-affected
trixie
6.11.5-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
linux
bionic
not-affected
cosmic
Fixed 4.18.0-16.17
released
trusty
not-affected
xenial
not-affected
linux-aws
bionic
not-affected
cosmic
Fixed 4.18.0-1011.13
released
trusty
not-affected
xenial
not-affected
linux-aws-hwe
bionic
dne
cosmic
dne
trusty
dne
xenial
not-affected
linux-azure
bionic
Fixed 4.18.0-1013.13~18.04.1
released
cosmic
Fixed 4.18.0-1013.13
released
trusty
not-affected
xenial
not-affected
linux-azure-edge
bionic
Fixed 4.18.0-1013.13~18.04.1
released
cosmic
dne
trusty
dne
xenial
not-affected
linux-euclid
bionic
dne
cosmic
dne
trusty
dne
xenial
not-affected
linux-flo
bionic
dne
cosmic
dne
trusty
dne
xenial
ignored
linux-gcp
bionic
not-affected
cosmic
Fixed 4.18.0-1007.8
released
trusty
dne
xenial
not-affected
linux-gcp-edge
bionic
Fixed 4.18.0-1007.8~18.04.1
released
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
Fixed 4.18.0-16.17~18.04.1
released
cosmic
dne
trusty
dne
xenial
not-affected
linux-hwe-edge
bionic
not-affected
cosmic
dne
trusty
dne
xenial
not-affected
linux-kvm
bionic
not-affected
cosmic
Fixed 4.18.0-1008.8
released
trusty
dne
xenial
not-affected
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
not-affected
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
Fixed 4.18.0-1010.12
released
trusty
dne
xenial
not-affected
linux-snapdragon
bionic
not-affected
cosmic
dne
trusty
dne
xenial
not-affected