Debian Security Update Intel Microcode für CFL-S

Debian hat ein Update gegen die Intel CFL-S (Zombiload V2) Lücke für CPU’s vom Typ Coffe Lake veröffentlicht. Das Update war noch notwendig, weil das vorherige den Patch für Intels Coffe Lake CPU’s, noch nicht enthielt. Außerdem wird der Patch für HEDT und Xeon Prozessoren zurück genommen, da es zu einem Problem beim Neustart gab.

Debian Intel CPU Microcode Update Release Notes

CVE ID : CVE-2019-11135 CVE-2019-11139
Debian Bug : 946515

This update ships updated CPU microcode for CFL-S (Coffe Lake Desktop) models of Intel CPUs which were not yet included in the Intel microcode update released as DSA 4565-1. For details please refer to
https://www.intel.com/content/dam/www/public/us/en/security-advisory/documents/IPU-2019.2-microcode-update-guidance-v1.01.pdf

Additionally this update rolls back CPU microcode for HEDT and Xeon processors with signature 0x50654 which were affected by a regression causing hangs on warm reboots (Cf. #946515).

For the oldstable distribution (stretch), these problems have been fixed in version 3.20191115.2~deb9u1.

For the stable distribution (buster), these problems have been fixed in version 3.20191115.2~deb10u1.

We recommend that you upgrade your intel-microcode packages.

For the detailed security status of intel-microcode please refer to its security tracker page at: https://security-tracker.debian.org/tracker/intel-microcode

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