CVE-2018-1068 Information

Description

A flaw was found in the Linux 4.x kernel’s implementation of 32-bit syscall interface for bridging. This allowed a privileged user to arbitrarily write to a limited range of kernel memory.

CVSS Vector

CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Reference

http://www.securityfocus.com/bid/103459 https://access.redhat.com/errata/RHSA-2018:1318 https://access.redhat.com/errata/RHSA-2018:1355 https://access.redhat.com/errata/RHSA-2018:2948 https://access.redhat.com/errata/RHSA-2019:1170 https://access.redhat.com/errata/RHSA-2019:1190 https://access.redhat.com/errata/RHSA-2019:4159 https://bugzilla.redhat.com/show_bug.cgi?id=1552048 https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b71812168571fa55e44cdd0254471331b9c4c4c6 https://github.com/torvalds/linux/commit/b71812168571fa55e44cdd0254471331b9c4c4c6 https://lists.debian.org/debian-lts-announce/2018/05/msg00000.html https://marc.info/?l=linux-netdev&m=152023808817590&w=2 https://marc.info/?l=linux-netdev&m=152025888924151&w=2 https://usn.ubuntu.com/3654-1/ https://usn.ubuntu.com/3654-2/ https://usn.ubuntu.com/3656-1/ https://usn.ubuntu.com/3674-1/ https://usn.ubuntu.com/3674-2/ https://usn.ubuntu.com/3677-1/ https://usn.ubuntu.com/3677-2/ https://www.debian.org/security/2018/dsa-4187 https://www.debian.org/security/2018/dsa-4188

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction Required

HIGH

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

6.7