Debian Security Advisory

DSA-4201-1 xen -- security update

Date Reported:
15 May 2018
Affected Packages:
Security database references:
In Mitre's CVE dictionary: CVE-2018-8897, CVE-2018-10471, CVE-2018-10472, CVE-2018-10981, CVE-2018-10982.
More information:

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: