CVE-2018-16880

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
NISTNIST
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
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 23%
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
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
sid
6.11.5-1
fixed
trixie
6.11.5-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
linux
cosmic
Fixed 4.18.0-16.17
released
bionic
not-affected
xenial
not-affected
trusty
not-affected
linux-aws
cosmic
Fixed 4.18.0-1011.13
released
bionic
not-affected
xenial
not-affected
trusty
not-affected
linux-aws-hwe
cosmic
dne
bionic
dne
xenial
not-affected
trusty
dne
linux-azure
cosmic
Fixed 4.18.0-1013.13
released
bionic
Fixed 4.18.0-1013.13~18.04.1
released
xenial
not-affected
trusty
not-affected
linux-azure-edge
cosmic
dne
bionic
Fixed 4.18.0-1013.13~18.04.1
released
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
Fixed 4.18.0-1007.8
released
bionic
not-affected
xenial
not-affected
trusty
dne
linux-gcp-edge
cosmic
dne
bionic
Fixed 4.18.0-1007.8~18.04.1
released
xenial
dne
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
Fixed 4.18.0-16.17~18.04.1
released
xenial
not-affected
trusty
dne
linux-hwe-edge
cosmic
dne
bionic
not-affected
xenial
not-affected
trusty
dne
linux-kvm
cosmic
Fixed 4.18.0-1008.8
released
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
ignored
trusty
dne
linux-oracle
cosmic
not-affected
bionic
not-affected
xenial
not-affected
trusty
dne
linux-raspi2
cosmic
Fixed 4.18.0-1010.12
released
bionic
not-affected
xenial
not-affected
trusty
dne
linux-snapdragon
cosmic
dne
bionic
not-affected
xenial
not-affected
trusty
dne