Debian Security Advisory DSA 4565-1 (intel-microcode - security update)

Published: 2019-11-14 03:00:20
CVE Author: NIST National Vulnerability Database (NVD)

CVSS Base Vector:
AV:N/AC:L/Au:N/C:P/I:N/A:N

Summary:
The remote host is missing an update for the 'intel-microcode' Linux Distribution Package(s) announced via the DSA-4565-1 advisory.

Detection Method:
Checks if a vulnerable Linux Distribution Package version is present on the target host.

Technical Details:
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 Linux Distribution Packages as released in DSA 4564-1.

Affected Versions:
'intel-microcode' Linux Distribution Package(s) on Debian Linux.

Recommendations:
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 Linux Distribution Packages.

Solution Type:
Vendor Patch

Detection Type:
Linux Distribution Package

NIST (National Institute of Standards and Technology) NVD (National Vulnerability Database)

https://nvd.nist.gov/vuln/detail/CVE-2019-11135
https://nvd.nist.gov/vuln/detail/CVE-2019-11139

References:

https://www.debian.org/security/2019/dsa-4565.html
https://security-tracker.debian.org/tracker/DSA-4565-1

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Severity
Medium
CVSS Score
5.0

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