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CVE-2018-16885

Publication date 3 January 2019

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

5.5 · Medium

Score breakdown

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.

Read the notes from the security team

Status

Package Ubuntu Release Status
linux 18.10 cosmic Ignored end of life
18.04 LTS bionic Ignored RHEL specific
16.04 LTS xenial Ignored RHEL specific
14.04 LTS trusty Ignored RHEL specific
linux-aws 18.10 cosmic Ignored end of life
18.04 LTS bionic Ignored RHEL specific
16.04 LTS xenial Ignored RHEL specific
14.04 LTS trusty Ignored RHEL specific
linux-aws-hwe 18.10 cosmic Not in release
18.04 LTS bionic Not in release
16.04 LTS xenial Ignored RHEL specific
14.04 LTS trusty Not in release
linux-azure 18.10 cosmic Ignored end of life
18.04 LTS bionic Ignored RHEL specific
16.04 LTS xenial Ignored RHEL specific
14.04 LTS trusty Ignored RHEL specific
linux-azure-edge 18.10 cosmic Not in release
18.04 LTS bionic Ignored RHEL specific
16.04 LTS xenial Ignored end of standard support
14.04 LTS trusty Not in release
linux-euclid 18.10 cosmic Not in release
18.04 LTS bionic Not in release
16.04 LTS xenial Ignored was ignored (RHEL specific) ESM criteria
14.04 LTS trusty Not in release
linux-flo 18.10 cosmic Not in release
18.04 LTS bionic Not in release
16.04 LTS xenial Ignored abandoned
14.04 LTS trusty Not in release
linux-gcp 18.10 cosmic Ignored end of life
18.04 LTS bionic Ignored RHEL specific
16.04 LTS xenial Ignored RHEL specific
14.04 LTS trusty Not in release
linux-gcp-edge 18.10 cosmic Not in release
18.04 LTS bionic Ignored RHEL specific
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
linux-gke 18.10 cosmic Not in release
18.04 LTS bionic Not in release
16.04 LTS xenial Ignored end of life
14.04 LTS trusty Not in release
linux-goldfish 18.10 cosmic Not in release
18.04 LTS bionic Not in release
16.04 LTS xenial Ignored end of life
14.04 LTS trusty Not in release
linux-grouper 18.10 cosmic Not in release
18.04 LTS bionic Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
linux-hwe 18.10 cosmic Not in release
18.04 LTS bionic Ignored RHEL specific
16.04 LTS xenial Ignored RHEL specific
14.04 LTS trusty Not in release
linux-hwe-edge 18.10 cosmic Not in release
18.04 LTS bionic Ignored RHEL specific
16.04 LTS xenial Ignored RHEL specific
14.04 LTS trusty Not in release
linux-kvm 18.10 cosmic Ignored end of life
18.04 LTS bionic Ignored RHEL specific
16.04 LTS xenial Ignored RHEL specific
14.04 LTS trusty Not in release
linux-lts-trusty 18.10 cosmic Not in release
18.04 LTS bionic Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
linux-lts-utopic 18.10 cosmic Not in release
18.04 LTS bionic Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty Ignored end of life, was ignored
linux-lts-vivid 18.10 cosmic Not in release
18.04 LTS bionic Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty Ignored end of life, was ignored
linux-lts-wily 18.10 cosmic Not in release
18.04 LTS bionic Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty Ignored end of life, was ignored
linux-lts-xenial 18.10 cosmic Not in release
18.04 LTS bionic Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty Ignored RHEL specific
linux-maguro 18.10 cosmic Not in release
18.04 LTS bionic Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
linux-mako 18.10 cosmic Not in release
18.04 LTS bionic Not in release
16.04 LTS xenial Ignored abandoned
14.04 LTS trusty Not in release
linux-manta 18.10 cosmic Not in release
18.04 LTS bionic Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
linux-oem 18.10 cosmic Ignored end of life
18.04 LTS bionic Ignored RHEL specific
16.04 LTS xenial Ignored end of life
14.04 LTS trusty Not in release
linux-raspi2 18.10 cosmic Ignored end of life
18.04 LTS bionic Ignored end of standard support
16.04 LTS xenial Ignored RHEL specific
14.04 LTS trusty Not in release
linux-snapdragon 18.10 cosmic Not in release
18.04 LTS bionic Ignored end of standard support
16.04 LTS xenial Ignored RHEL specific
14.04 LTS trusty Not in release

Notes

tyhicks

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

Severity score breakdown

Parameter Value
Base score 5.5 · Medium
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