Debian DSA-4565-1 : intel-microcode - security update

medium Nessus Plugin ID 130983

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Synopsis

The remote Debian host is missing a security-related update.

Description

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.

Solution

Upgrade the intel-microcode packages.

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.

Plugin Details

Severity: Medium

ID: 130983

File Name: debian_DSA-4565.nasl

Version: 1.5

Type: local

Agent: unix

Family: Debian Local Security Checks

Published: 11/14/2019

Updated: 12/13/2019

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.2

CVSS v2

Risk Factor: Low

Base Score: 2.1

Temporal Score: 1.6

Vector: CVSS2#AV:L/AC:L/Au:N/C:P/I:N/A:N

CVSS Score Source: CVE-2019-11135

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:debian:debian_linux:10.0, p-cpe:/a:debian:debian_linux:intel-microcode, cpe:/o:debian:debian_linux:9.0

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Exploit Ease: No known exploits are available

Patch Publication Date: 11/13/2019

Vulnerability Publication Date: 11/14/2019

Reference Information

CVE: CVE-2019-11135, CVE-2019-11139

DSA: 4565

Detections

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