7.4 High
CVSS3
Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
6.1 Medium
CVSS2
Access Vector
ADJACENT_NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:A/AC:L/Au:N/C:N/I:N/A:C
Linux kernel is vulnerable to denial of service (DoS) attacks. The vulnerability exists in the Linux kernel Virtualization Module (CONFIG_KVM) for the Intel processor family (CONFIG_KVM_INTEL) when a guest was to flood the I/O port 0x80 with write requests leading to a crash in the host kernel.
www.openwall.com/lists/oss-security/2017/12/04/2
www.securityfocus.com/bid/102038
access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/7/html/7.5_Release_Notes/index.html
access.redhat.com/errata/RHSA-2018:0676
access.redhat.com/errata/RHSA-2018:1062
access.redhat.com/errata/RHSA-2019:1170
access.redhat.com/security/cve/cve-2017-1000407
access.redhat.com/security/cve/CVE-2017-13305
access.redhat.com/security/cve/CVE-2017-15274
access.redhat.com/security/updates/classification/#important
bugzilla.redhat.com/show_bug.cgi?id=1292927
bugzilla.redhat.com/show_bug.cgi?id=1401061
bugzilla.redhat.com/show_bug.cgi?id=1430418
bugzilla.redhat.com/show_bug.cgi?id=1448770
bugzilla.redhat.com/show_bug.cgi?id=1452589
bugzilla.redhat.com/show_bug.cgi?id=1462329
bugzilla.redhat.com/show_bug.cgi?id=1500894
bugzilla.redhat.com/show_bug.cgi?id=1503749
bugzilla.redhat.com/show_bug.cgi?id=1506255
bugzilla.redhat.com/show_bug.cgi?id=1507270
bugzilla.redhat.com/show_bug.cgi?id=1509264
bugzilla.redhat.com/show_bug.cgi?id=1518274
bugzilla.redhat.com/show_bug.cgi?id=1518638
lists.debian.org/debian-lts-announce/2017/12/msg00004.html
usn.ubuntu.com/3583-1/
usn.ubuntu.com/3583-2/
usn.ubuntu.com/3617-1/
usn.ubuntu.com/3617-2/
usn.ubuntu.com/3619-1/
usn.ubuntu.com/3619-2/
usn.ubuntu.com/3632-1/
www.debian.org/security/2017/dsa-4073
www.debian.org/security/2018/dsa-4082
www.spinics.net/lists/kvm/msg159809.html
7.4 High
CVSS3
Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
6.1 Medium
CVSS2
Access Vector
ADJACENT_NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:A/AC:L/Au:N/C:N/I:N/A:C