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.
References (22)
Core 22
Core References
Third Party Advisory vendor-advisory
x_refsource_debian
https://www.debian.org/security/2018/dsa-4187
Third Party Advisory vendor-advisory
x_refsource_ubuntu
https://usn.ubuntu.com/3654-1/
Third Party Advisory vendor-advisory
x_refsource_ubuntu
https://usn.ubuntu.com/3674-1/
Third Party Advisory vendor-advisory
x_refsource_ubuntu
https://usn.ubuntu.com/3677-1/
Issue Tracking, Third Party Advisory x_refsource_confirm
https://bugzilla.redhat.com/show_bug.cgi?id=1552048
Third Party Advisory vendor-advisory
x_refsource_debian
https://www.debian.org/security/2018/dsa-4188
Third Party Advisory mailing-list
x_refsource_mlist
https://marc.info/?l=linux-netdev&m=152023808817590&w=2
Patch, Vendor Advisory x_refsource_confirm
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b71812168571fa55e44cdd0254471331b9c4c4c6
Patch, Third Party Advisory x_refsource_confirm
https://github.com/torvalds/linux/commit/b71812168571fa55e44cdd0254471331b9c4c4c6
Third Party Advisory vendor-advisory
x_refsource_ubuntu
https://usn.ubuntu.com/3674-2/
Third Party Advisory vendor-advisory
x_refsource_redhat
https://access.redhat.com/errata/RHSA-2018:1355
Third Party Advisory vendor-advisory
x_refsource_redhat
https://access.redhat.com/errata/RHSA-2018:2948
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/103459
Third Party Advisory vendor-advisory
x_refsource_redhat
https://access.redhat.com/errata/RHSA-2018:1318
Third Party Advisory vendor-advisory
x_refsource_ubuntu
https://usn.ubuntu.com/3677-2/
Third Party Advisory vendor-advisory
x_refsource_ubuntu
https://usn.ubuntu.com/3654-2/
Patch, Third Party Advisory mailing-list
x_refsource_mlist
https://marc.info/?l=linux-netdev&m=152025888924151&w=2
Mailing List, Third Party Advisory mailing-list
x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2018/05/msg00000.html
Third Party Advisory vendor-advisory
x_refsource_ubuntu
https://usn.ubuntu.com/3656-1/
Third Party Advisory vendor-advisory
x_refsource_redhat
https://access.redhat.com/errata/RHSA-2019:1170
Third Party Advisory vendor-advisory
x_refsource_redhat
https://access.redhat.com/errata/RHSA-2019:1190
Third Party Advisory vendor-advisory
x_refsource_redhat
https://access.redhat.com/errata/RHSA-2019:4159
Scores
CVSS v3
6.7
EPSS
0.0003
EPSS Percentile
8.9%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-119
CWE-787
Status
published
Products (16)
canonical/ubuntu_linux
12.04
canonical/ubuntu_linux
14.04
canonical/ubuntu_linux
16.04
canonical/ubuntu_linux
17.10
debian/debian_linux
7.0
debian/debian_linux
8.0
debian/debian_linux
9.0
linux/linux_kernel
< 3.2.102
redhat/enterprise_linux_desktop
7.0
redhat/enterprise_linux_server
7.0
... and 6 more
Published
Mar 16, 2018
Tracked Since
Feb 18, 2026