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Debian: Security Advisory for xen (DSA-5184-1)

Information

Severity

Severity

High

Family

Family

Debian Local Security Checks

CVSSv2 Base

CVSSv2 Base

7.2

CVSSv2 Vector

CVSSv2 Vector

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

Solution Type

Solution Type

Vendor Patch

Created

Created

3 weeks ago

Modified

Modified

3 weeks ago

Summary

The remote host is missing an update for the 'xen' package(s) announced via the DSA-5184-1 advisory.

Insight

Insight

Multiple vulnerabilities have been discovered in the Xen hypervisor, which could result in privilege escalation. In addition this updates provides mitigations for the Retbleed speculative execution attack and the MMIO stale data vulnerabilities. For additional information please refer to the following pages: [link moved to references]

Affected Software

Affected Software

'xen' package(s) on Debian Linux.

Detection Method

Detection Method

Checks if a vulnerable package version is present on the target host.

Solution

Solution

For the stable distribution (bullseye), these problems have been fixed in version 4.14.5+24-g87d90d511c-1. We recommend that you upgrade your xen packages.