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Debian: Security Advisory for intel-microcode (DSA-4701-1)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
The remote host is missing an update for the 'intel-microcode' package(s) announced via the DSA-4701-1 advisory.
Insight
Insight
This update ships updated CPU microcode for some types of Intel CPUs and provides mitigations for the Special Register Buffer Data Sampling (CVE-2020-0543), Vector Register Sampling (CVE-2020-0548) and L1D Eviction Sampling (CVE-2020-0549 ) hardware vulnerabilities. The microcode update for HEDT and Xeon CPUs with signature 0x50654 which was reverted in DSA 4565-2 is now included again with a fixed release. The upstream update for Skylake-U/Y (signature 0x406e3) had to be excluded from this update due to reported hangs on boot.
Affected Software
Affected Software
'intel-microcode' 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 oldstable distribution (stretch), these problems have been fixed in version 3.20200609.2~deb9u1. For the stable distribution (buster), these problems have been fixed in version 3.20200609.2~deb10u1. We recommend that you upgrade your intel-microcode packages.