6.7 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
6.4 Medium
AI Score
Confidence
High
7.2 High
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:C/I:C/A:C
0.001 Low
EPSS
Percentile
26.7%
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.
www.securityfocus.com/bid/103459
access.redhat.com/errata/RHSA-2018:1318
access.redhat.com/errata/RHSA-2018:1355
access.redhat.com/errata/RHSA-2018:2948
access.redhat.com/errata/RHSA-2019:1170
access.redhat.com/errata/RHSA-2019:1190
access.redhat.com/errata/RHSA-2019:4159
bugzilla.redhat.com/show_bug.cgi?id=1552048
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b71812168571fa55e44cdd0254471331b9c4c4c6
github.com/torvalds/linux/commit/b71812168571fa55e44cdd0254471331b9c4c4c6
lists.debian.org/debian-lts-announce/2018/05/msg00000.html
marc.info/?l=linux-netdev&m=152023808817590&w=2
marc.info/?l=linux-netdev&m=152025888924151&w=2
usn.ubuntu.com/3654-1/
usn.ubuntu.com/3654-2/
usn.ubuntu.com/3656-1/
usn.ubuntu.com/3674-1/
usn.ubuntu.com/3674-2/
usn.ubuntu.com/3677-1/
usn.ubuntu.com/3677-2/
www.debian.org/security/2018/dsa-4187
www.debian.org/security/2018/dsa-4188
6.7 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
6.4 Medium
AI Score
Confidence
High
7.2 High
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:C/I:C/A:C
0.001 Low
EPSS
Percentile
26.7%