| Description: | Summary:
The remote host is missing an update for the Debian 'xen' package(s) announced via the DSA-4201-1 advisory.
Vulnerability Insight:
Multiple vulnerabilities have been discovered in the Xen hypervisor:
CVE-2018-8897
Andy Lutomirski and Nick Peterson discovered that incorrect handling of debug exceptions could result in privilege escalation.
CVE-2018-10471
An error was discovered in the mitigations against Meltdown which could result in denial of service.
CVE-2018-10472
Anthony Perard discovered that incorrect parsing of CDROM images can result in information disclosure.
CVE-2018-10981
Jan Beulich discovered that malformed device models could result in denial of service.
CVE-2018-10982
Roger Pau Monne discovered that incorrect handling of high precision event timers could result in denial of service and potentially privilege escalation.
For the stable distribution (stretch), these problems have been fixed in version 4.8.3+xsa262+shim4.10.0+comet3-1+deb9u6.
We recommend that you upgrade your xen packages.
For the detailed security status of xen please refer to its security tracker page at: [link moved to references]
Affected Software/OS:
'xen' package(s) on Debian 9.
Solution:
Please install the updated package(s).
CVSS Score:
7.2
CVSS Vector:
AV:L/AC:L/Au:N/C:C/I:C/A:C
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