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Debian Security Advisory DSA 4232-1 (xen - security update)

Information

Severity

Severity

Medium

Family

Family

Debian Local Security Checks

CVSSv2 Base

CVSSv2 Base

4.7

CVSSv2 Vector

CVSSv2 Vector

AV:L/AC:M/Au:N/C:C/I:N/A:N

Solution Type

Solution Type

Vendor Patch

Created

Created

5 years ago

Modified

Modified

5 years ago

Summary

This update provides mitigations for the lazy FPU vulnerability affecting a range of Intel CPUs, which could result in leaking CPU register states belonging to another vCPU previously scheduled on the same CPU. For additional information please

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), this problem has been fixed in version 4.8.3+xsa267+shim4.10.1+xsa267-1+deb9u8. 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.

Common Vulnerabilities and Exposures (CVE)