This update ships updated CPU microcode for some types of Intel CPUs. In particular it provides mitigations for the TAA (TSX Asynchronous Abort) vulnerability. For affected CPUs, to fully mitigate the vulnerability it is also necessary to update the Linux kernel packages as released in DSA

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Debian Security Advisory DSA-4565-1                   This email address is being protected from spambots. You need JavaScript enabled to view it.
https://www.debian.org/security/                     Salvatore Bonaccorso
November 13, 2019                     https://www.debian.org/security/faq
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Package        : intel-microcode
CVE ID         : CVE-2019-11135 CVE-2019-11139

This update ships updated CPU microcode for some types of Intel CPUs. In
particular it provides mitigations for the TAA (TSX Asynchronous Abort)
vulnerability. For affected CPUs, to fully mitigate the vulnerability it
is also necessary to update the Linux kernel packages as released in DSA
4564-1.

For the oldstable distribution (stretch), these problems have been fixed
in version 3.20191112.1~deb9u1.

For the stable distribution (buster), these problems have been fixed in
version 3.20191112.1~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

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

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