CVE-2023-45745: Input Validation

Published May 16, 2024
·
Updated

Improper input validation in some Intel(R) TDX module software before version 1.5.05.46.698 may allow a privileged user to potentially enable escalation of privilege via local access.

Affected Software

9 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<3.20240514.0ubuntu0.24.04.1
3.20240514.0ubuntu0.24.04.1
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
Intel TDX module<1.5.05.46.698
NetApp Hci Compute Node Bios

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 3.20240514.0ubuntu0.24.04.1
  6. Upgrade

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

    Fixed in 3.20240514.0ubuntu0.16.04.1+
  7. 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
  8. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 1.5.05.46.698

Event History

May 16, 2024
CVE Published
via Ubuntu·12:00 AM
CVE Published
via MITRE·08:47 PM
Data Sourced
via MITRE·08:47 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·09:15 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·09:15 PM
Affected Software
Jun 30, 2024
Data Sourced
via Launchpad·12:52 PM
Description

Parent advisories

This vulnerability appears in the following advisories.

Frequently Asked Questions

1

What is the severity of CVE-2023-45745?

CVE-2023-45745 is classified as a vulnerability that may allow escalation of privileges by a privileged user.

2

How do I fix CVE-2023-45745?

To fix CVE-2023-45745, upgrade the affected Intel microcode to the recommended version specific to your operating system.

3

Which versions of Intel microcode are affected by CVE-2023-45745?

Versions of Intel microcode before 1.5.05.46.698 are affected by CVE-2023-45745.

4

What type of systems are impacted by CVE-2023-45745?

CVE-2023-45745 impacts systems running specific versions of Intel microcode on Ubuntu and Debian distributions.

5

Is local access required to exploit CVE-2023-45745?

Yes, local access is required to exploit CVE-2023-45745.

Company

Resources

Contact

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