Free and open-source vulnerability scanner
Mageni eases for you the vulnerability scanning, assessment, and management process. It is free and open-source.
Install NowAvailable for macOS, Windows, and Linux
Debian Security Advisory DSA 4236-1 (xen - security update)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
Multiple vulnerabilities have been discovered in the Xen hypervisor: CVE-2018-12891 It was discovered that insufficient validation of PV MMU operations may result in denial of service. CVE-2018-12892It was discovered that libxl fails to honour the readonly flag on HVM-emulated SCSI disks. CVE-2018-12893 It was discovered that incorrect implementation of debug exception checks could result in denial of service.
Affected Software
Affected Software
xen on Debian Linux
Detection Method
Detection Method
This check tests the installed software version using the apt package manager.
Solution
Solution
For the stable distribution (stretch), these problems have been fixed in version 4.8.3+xsa267+shim4.10.1+xsa267-1+deb9u9. We recommend that you upgrade your xen packages. For the detailed security status of xen please refer to its security tracker page linked in the references.