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CVE-2018-16885

Published: 3 January 2019

A flaw was found in the Linux kernel that allows the userspace to call memcpy_fromiovecend() and similar functions with a zero offset and buffer length which causes the read beyond the buffer boundaries, in certain cases causing a memory access fault and a system halt by accessing invalid memory address. This issue only affects kernel version 3.10.x as shipped with Red Hat Enterprise Linux 7.

Notes

AuthorNote
tyhicks
According to Red Hat, this flaw only affects Red Hat Enterprise Linux

Priority

Medium

Cvss 3 Severity Score

5.5

Score breakdown

Status

Package Release Status
linux
Launchpad, Ubuntu, Debian
bionic Ignored
(RHEL specific)
cosmic Ignored
(end of life)
trusty Ignored
(RHEL specific)
upstream Ignored
(RHEL specific)
xenial Ignored
(RHEL specific)
linux-aws
Launchpad, Ubuntu, Debian
bionic Ignored
(RHEL specific)
cosmic Ignored
(end of life)
trusty Ignored
(RHEL specific)
upstream Ignored
(RHEL specific)
xenial Ignored
(RHEL specific)
linux-aws-hwe
Launchpad, Ubuntu, Debian
bionic Does not exist

cosmic Does not exist

trusty Does not exist

upstream Ignored
(RHEL specific)
xenial Ignored
(RHEL specific)
linux-azure
Launchpad, Ubuntu, Debian
bionic Ignored
(RHEL specific)
cosmic Ignored
(end of life)
trusty Ignored
(RHEL specific)
upstream Ignored
(RHEL specific)
xenial Ignored
(RHEL specific)
linux-azure-edge
Launchpad, Ubuntu, Debian
bionic Ignored
(RHEL specific)
cosmic Does not exist

trusty Does not exist

upstream Ignored
(RHEL specific)
xenial Ignored
(end of standard support)
linux-euclid
Launchpad, Ubuntu, Debian
bionic Does not exist

cosmic Does not exist

trusty Does not exist

upstream Ignored
(RHEL specific)
xenial Ignored
(was ignored (RHEL specific) ESM criteria)
linux-flo
Launchpad, Ubuntu, Debian
bionic Does not exist

cosmic Does not exist

trusty Does not exist
(trusty was ignored [abandoned])
upstream Ignored
(RHEL specific)
xenial Ignored
(abandoned)
linux-gcp
Launchpad, Ubuntu, Debian
bionic Ignored
(RHEL specific)
cosmic Ignored
(end of life)
trusty Does not exist

upstream Ignored
(RHEL specific)
xenial Ignored
(RHEL specific)
linux-gcp-edge
Launchpad, Ubuntu, Debian
bionic Ignored
(RHEL specific)
cosmic Does not exist

trusty Does not exist

upstream Ignored
(RHEL specific)
xenial Does not exist

linux-gke
Launchpad, Ubuntu, Debian
bionic Does not exist

cosmic Does not exist

trusty Does not exist

upstream Ignored
(RHEL specific)
xenial Ignored
(end of life)
linux-goldfish
Launchpad, Ubuntu, Debian
bionic Does not exist

cosmic Does not exist

trusty Does not exist
(trusty was ignored [abandoned])
upstream Ignored
(RHEL specific)
xenial Ignored
(end of life)
linux-grouper
Launchpad, Ubuntu, Debian
bionic Does not exist

cosmic Does not exist

trusty Does not exist
(trusty was ignored [abandoned])
upstream Ignored
(RHEL specific)
xenial Does not exist

linux-hwe
Launchpad, Ubuntu, Debian
bionic Ignored
(RHEL specific)
cosmic Does not exist

trusty Does not exist

upstream Ignored
(RHEL specific)
xenial Ignored
(RHEL specific)
linux-hwe-edge
Launchpad, Ubuntu, Debian
bionic Ignored
(RHEL specific)
cosmic Does not exist

trusty Does not exist

upstream Ignored
(RHEL specific)
xenial Ignored
(RHEL specific)
linux-kvm
Launchpad, Ubuntu, Debian
bionic Ignored
(RHEL specific)
cosmic Ignored
(end of life)
trusty Does not exist

upstream Ignored
(RHEL specific)
xenial Ignored
(RHEL specific)
linux-lts-trusty
Launchpad, Ubuntu, Debian
bionic Does not exist

cosmic Does not exist

trusty Does not exist

upstream Ignored
(RHEL specific)
xenial Does not exist

linux-lts-utopic
Launchpad, Ubuntu, Debian
bionic Does not exist

cosmic Does not exist

trusty Ignored
(end of life, was ignored)
upstream Ignored
(RHEL specific)
xenial Does not exist

linux-lts-vivid
Launchpad, Ubuntu, Debian
bionic Does not exist

cosmic Does not exist

trusty Ignored
(end of life, was ignored)
upstream Ignored
(RHEL specific)
xenial Does not exist

linux-lts-wily
Launchpad, Ubuntu, Debian
bionic Does not exist

cosmic Does not exist

trusty Ignored
(end of life, was ignored)
upstream Ignored
(RHEL specific)
xenial Does not exist

linux-lts-xenial
Launchpad, Ubuntu, Debian
bionic Does not exist

cosmic Does not exist

trusty Ignored
(RHEL specific)
upstream Ignored
(RHEL specific)
xenial Does not exist

linux-maguro
Launchpad, Ubuntu, Debian
bionic Does not exist

cosmic Does not exist

trusty Does not exist
(trusty was ignored [abandoned])
upstream Ignored
(RHEL specific)
xenial Does not exist

linux-mako
Launchpad, Ubuntu, Debian
bionic Does not exist

cosmic Does not exist

trusty Does not exist
(trusty was ignored [abandoned])
upstream Ignored
(RHEL specific)
xenial Ignored
(abandoned)
linux-manta
Launchpad, Ubuntu, Debian
bionic Does not exist

cosmic Does not exist

trusty Does not exist
(trusty was ignored [abandoned])
upstream Ignored
(RHEL specific)
xenial Does not exist

linux-oem
Launchpad, Ubuntu, Debian
bionic Ignored
(RHEL specific)
cosmic Ignored
(end of life)
trusty Does not exist

upstream Ignored
(RHEL specific)
xenial Ignored
(end of life)
linux-raspi2
Launchpad, Ubuntu, Debian
bionic Ignored
(end of standard support)
cosmic Ignored
(end of life)
trusty Does not exist

upstream Ignored
(RHEL specific)
xenial Ignored
(RHEL specific)
linux-snapdragon
Launchpad, Ubuntu, Debian
bionic Ignored
(end of standard support)
cosmic Does not exist

trusty Does not exist

upstream Ignored
(RHEL specific)
xenial Ignored
(RHEL specific)

Severity score breakdown

Parameter Value
Base score 5.5
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H