CVE-2018-20856 :: Enginsight Vulnerability Database

Provider	Type	Base Score	Atk. Vector	Atk. Complexity	Priv. Required	Vector
NIST	Primary	7.8 HIGH	LOCAL	LOW	LOW	CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Base Score

CVSS 3.x

EPSS Score

Percentile: 26%

Affected Products (NVD)

Vendor	Product	Version
linux	linux_kernel	𝑥 < 4.18.7

𝑥

= Vulnerable software versions

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	6.11.6-1 fixed
trixie	6.11.5-1 fixed

Ubuntu Releases

Ubuntu Product

Codename

linux

bionic	Fixed 4.15.0-58.64 released
disco	not-affected
trusty	not-affected
xenial	Fixed 4.4.0-161.189 released

linux-aws

bionic	Fixed 4.15.0-1047.49 released
disco	not-affected
trusty	ignored
xenial	Fixed 4.4.0-1092.103 released

linux-aws-hwe

bionic	dne
disco	dne
trusty	dne
xenial	Fixed 4.15.0-1047.49~16.04.1 released

linux-azure

bionic	Fixed 4.18.0-1011.11~18.04.1 released
disco	not-affected
trusty	ignored
xenial	Fixed 4.15.0-1055.60 released

linux-azure-edge

bionic	Fixed 4.18.0-1011.11~18.04.1 released
disco	dne
trusty	dne
xenial	Fixed 4.15.0-1055.60 released

linux-euclid

bionic	dne
disco	dne
trusty	dne
xenial	ignored

linux-flo

bionic	dne
disco	dne
trusty	dne
xenial	ignored

linux-gcp

bionic	Fixed 4.15.0-1040.42 released
disco	not-affected
trusty	dne
xenial	Fixed 4.15.0-1040.42~16.04.1 released

linux-gcp-edge

bionic	Fixed 4.15.0-1040.42 released
disco	dne
trusty	dne
xenial	dne

linux-gke

bionic	dne
disco	dne
trusty	dne
xenial	ignored

linux-gke-4.15

bionic	Fixed 4.15.0-1040.42 released
disco	dne
trusty	dne
xenial	dne

linux-gke-5.0

bionic	not-affected
disco	dne
trusty	dne
xenial	dne

linux-goldfish

bionic	dne
disco	dne
trusty	dne
xenial	ignored

linux-grouper

bionic	dne
disco	dne
trusty	dne
xenial	dne

linux-hwe

bionic	not-affected
disco	dne
trusty	dne
xenial	Fixed 4.15.0-58.64~16.04.1 released

linux-hwe-edge

bionic	not-affected
disco	dne
trusty	dne
xenial	Fixed 4.15.0-58.64~16.04.1 released

linux-kvm

bionic	Fixed 4.15.0-1042.42 released
disco	not-affected
trusty	dne
xenial	Fixed 4.4.0-1056.63 released

linux-lts-trusty

bionic	dne
disco	dne
trusty	dne
xenial	dne

linux-lts-utopic

bionic	dne
disco	dne
trusty	dne
xenial	dne

linux-lts-vivid

bionic	dne
disco	dne
trusty	dne
xenial	dne

linux-lts-wily

bionic	dne
disco	dne
trusty	dne
xenial	dne

linux-lts-xenial

bionic	dne
disco	dne
trusty	ignored
xenial	dne

linux-maguro

bionic	dne
disco	dne
trusty	dne
xenial	dne

linux-mako

bionic	dne
disco	dne
trusty	dne
xenial	ignored

linux-manta

bionic	dne
disco	dne
trusty	dne
xenial	dne

linux-oem

bionic	Fixed 4.15.0-1050.57 released
disco	Fixed 4.15.0-1050.57 released
trusty	dne
xenial	ignored

linux-oracle

bionic	Fixed 4.15.0-1021.23 released
disco	Fixed 5.0.0-1004.8 released
trusty	dne
xenial	Fixed 4.15.0-1021.23~16.04.1 released

linux-raspi2

bionic	Fixed 4.15.0-1043.46 released
disco	not-affected
trusty	dne
xenial	Fixed 4.4.0-1120.129 released

linux-snapdragon

bionic	Fixed 4.15.0-1060.66 released
disco	not-affected
trusty	dne
xenial	Fixed 4.4.0-1124.130 released

Common Weakness Enumeration

CWE-416 - Use After Free
Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.

References

http://packetstormsecurity.com/files/154059/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html

http://packetstormsecurity.com/files/154408/Kernel-Live-Patch-Security-Notice-LSN-0055-1.html

http://packetstormsecurity.com/files/154951/Kernel-Live-Patch-Security-Notice-LSN-0058-1.html

https://access.redhat.com/errata/RHSA-2019:3055

https://access.redhat.com/errata/RHSA-2019:3076

https://access.redhat.com/errata/RHSA-2019:3089

https://access.redhat.com/errata/RHSA-2019:3217

https://access.redhat.com/errata/RHSA-2020:0100

https://access.redhat.com/errata/RHSA-2020:0103

https://access.redhat.com/errata/RHSA-2020:0543

https://access.redhat.com/errata/RHSA-2020:0664

https://access.redhat.com/errata/RHSA-2020:0698

https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.18.7

https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=54648cf1ec2d7f4b6a71767799c45676a138ca24

https://github.com/torvalds/linux/commit/54648cf1ec2d7f4b6a71767799c45676a138ca24

https://lists.debian.org/debian-lts-announce/2019/08/msg00017.html

https://seclists.org/bugtraq/2019/Aug/18

https://seclists.org/bugtraq/2019/Aug/26

https://security.netapp.com/advisory/ntap-20190905-0002/

https://support.f5.com/csp/article/K14673240?utm_source=f5support&amp%3Butm_medium=RSS

https://usn.ubuntu.com/4094-1/

https://usn.ubuntu.com/4116-1/

https://usn.ubuntu.com/4118-1/

https://www.debian.org/security/2019/dsa-4497