5.6 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H
4.7 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:L/AC:M/Au:N/C:N/I:N/A:C
0.001 Low
EPSS
Percentile
25.6%
Debian Security Advisory DSA-4369-1 [email protected]
https://www.debian.org/security/ Moritz Muehlenhoff
January 14, 2019 https://www.debian.org/security/faq
Package : xen
CVE ID : CVE-2018-19961 CVE-2018-19962 CVE-2018-19965
CVE-2018-19966 CVE-2018-19967
Multiple vulnerabilities have been discovered in the Xen hypervisor:
CVE-2018-19961 / CVE-2018-19962
Paul Durrant discovered that incorrect TLB handling could result in
denial of service, privilege escalation or information leaks.
CVE-2018-19965
Matthew Daley discovered that incorrect handling of the INVPCID
instruction could result in denial of service by PV guests.
CVE-2018-19966
It was discovered that a regression in the fix to address
CVE-2017-15595 could result in denial of service, privilege
escalation or information leaks by a PV guest.
CVE-2018-19967
It was discovered that an error in some Intel CPUs could result in
denial of service by a guest instance.
For the stable distribution (stretch), these problems have been fixed in
version 4.8.5+shim4.10.2+xsa282-1+deb9u11.
We recommend that you upgrade your xen packages.
For the detailed security status of xen please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/xen
Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/
Mailing list: [email protected]
5.6 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H
4.7 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:L/AC:M/Au:N/C:N/I:N/A:C
0.001 Low
EPSS
Percentile
25.6%