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:
Andy Lutomirski and Nick Peterson discovered that incorrect handling of debug exceptions could result in privilege escalation.
An error was discovered in the mitigations against Meltdown which could result in denial of service.
Anthony Perard discovered that incorrect parsing of CDROM images can result in information disclosure.
Jan Beulich discovered that malformed device models could result in denial of service.
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: https://security-tracker.debian.org/tracker/xen