CVSS2
Attack Vector
LOCAL
Attack 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
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
42.3%
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]
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Debian | 9 | i386 | libxenstore3.0 | < 4.8.5+shim4.10.2+xsa282-1+deb9u11 | libxenstore3.0_4.8.5+shim4.10.2+xsa282-1+deb9u11_i386.deb |
Debian | 8 | amd64 | xen-utils-4.4 | < 4.4.4lts5-0+deb8u1 | xen-utils-4.4_4.4.4lts5-0+deb8u1_amd64.deb |
Debian | 9 | amd64 | xenstore-utils | < 4.8.2+xsa245-0+deb9u1 | xenstore-utils_4.8.2+xsa245-0+deb9u1_amd64.deb |
Debian | 9 | arm64 | libxenstore3.0-dbgsym | < 4.8.2+xsa245-0+deb9u1 | libxenstore3.0-dbgsym_4.8.2+xsa245-0+deb9u1_arm64.deb |
Debian | 7 | all | xen | < 4.1.6.lts1-10 | xen_4.1.6.lts1-10_all.deb |
Debian | 8 | i386 | xen-utils-4.4 | < 4.4.4lts4-0+deb8u1 | xen-utils-4.4_4.4.4lts4-0+deb8u1_i386.deb |
Debian | 8 | i386 | libxen-4.4 | < 4.4.4lts3-0+deb8u1 | libxen-4.4_4.4.4lts3-0+deb8u1_i386.deb |
Debian | 9 | arm64 | xen-hypervisor-4.8-arm64 | < 4.8.2+xsa245-0+deb9u1 | xen-hypervisor-4.8-arm64_4.8.2+xsa245-0+deb9u1_arm64.deb |
Debian | 8 | i386 | libxen-4.4 | < 4.4.4lts4-0+deb8u1 | libxen-4.4_4.4.4lts4-0+deb8u1_i386.deb |
Debian | 8 | armhf | libxen-4.4 | < 4.4.4lts5-0+deb8u1 | libxen-4.4_4.4.4lts5-0+deb8u1_armhf.deb |
CVSS2
Attack Vector
LOCAL
Attack 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
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
42.3%