CVE-2023-39368: Medium severity ubuntu/intel-microcode vulnerability

Published Mar 12, 2024
·
Updated

Protection mechanism failure of bus lock regulator for some Intel(R) Processors may allow an unauthenticated user to potentially enable denial of service via network access.

Affected Software

6 affected componentsFixes available
ubuntu/intel-microcode<3.20240514.0ubuntu0.18.04.1+
3.20240514.0ubuntu0.18.04.1+
ubuntu/intel-microcode<3.20240514.0ubuntu0.20.04.1
3.20240514.0ubuntu0.20.04.1
ubuntu/intel-microcode<3.20240514.0ubuntu0.22.04.1
3.20240514.0ubuntu0.22.04.1
ubuntu/intel-microcode<3.20240514.0ubuntu0.23.10.1
3.20240514.0ubuntu0.23.10.1
ubuntu/intel-microcode<3.20240514.0ubuntu0.16.04.1+
3.20240514.0ubuntu0.16.04.1+
debian/intel-microcode<=3.20231114.1~deb11u1, <=3.20231114.1~deb12u1
3.20240514.1~deb11u13.20240514.1~deb12u13.20240813.2

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade ubuntu/intel-microcode to a version that resolves this vulnerability.

    Fixed in 3.20240514.0ubuntu0.18.04.1+
  2. Upgrade

    Upgrade ubuntu/intel-microcode to a version that resolves this vulnerability.

    Fixed in 3.20240514.0ubuntu0.20.04.1
  3. Upgrade

    Upgrade ubuntu/intel-microcode to a version that resolves this vulnerability.

    Fixed in 3.20240514.0ubuntu0.22.04.1
  4. Upgrade

    Upgrade ubuntu/intel-microcode to a version that resolves this vulnerability.

    Fixed in 3.20240514.0ubuntu0.23.10.1
  5. Upgrade

    Upgrade ubuntu/intel-microcode to a version that resolves this vulnerability.

    Fixed in 3.20240514.0ubuntu0.16.04.1+
  6. Upgrade

    Upgrade debian/intel-microcode to a version that resolves this vulnerability.

    Fixed in 3.20240514.1~deb11u1Fixed in 3.20240514.1~deb12u1Fixed in 3.20240813.2

Event History

Mar 12, 2024
CVE Published
via Ubuntu·12:00 AM
Mar 14, 2024
CVE Published
via MITRE·04:45 PM
Data Sourced
via MITRE·04:45 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·05:15 PM
DescriptionSeverityWeakness
Mar 21, 2024
Data Sourced
via Red Hat·01:52 PM
DescriptionSeverityAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Frequently Asked Questions

1

What is the severity of CVE-2023-39368?

CVE-2023-39368 is classified as a medium severity vulnerability that could lead to a denial of service.

2

How do I fix CVE-2023-39368?

To fix CVE-2023-39368, update the intel-microcode package to the specified versions based on your distribution.

3

What are the affected systems for CVE-2023-39368?

CVE-2023-39368 affects certain Intel processors that utilize the intel-microcode package on Ubuntu and Debian systems.

4

Can CVE-2023-39368 be exploited remotely?

Yes, CVE-2023-39368 can potentially be exploited by an unauthenticated user via network access.

5

How can I determine if I am vulnerable to CVE-2023-39368?

You can determine your vulnerability to CVE-2023-39368 by checking the version of the intel-microcode package installed on your system.

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