CVE-2023-45733: Race Condition
First published: Thu May 16 2024(Updated: )
Hardware logic contains race conditions in some Intel(R) Processors may allow an authenticated user to potentially enable partial information disclosure via local access.
Credit: secure@intel.com secure@intel.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| 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~deb11u1 3.20240514.1~deb12u1 3.20240813.2 |
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Reference Links
- https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01051.html
- https://www.cve.org/CVERecord?id=CVE-2023-45733
- https://github.com/intel/Intel-Linux-Processor-Microcode-Data-Files/releases/tag/microcode-20240514
- https://ubuntu.com/security/notices/USN-6797-1
- https://nvd.nist.gov/vuln/detail/CVE-2023-45733
- https://launchpad.net/bugs/cve/CVE-2023-45733
- https://security-tracker.debian.org/tracker/CVE-2023-45733
- https://ubuntu.com/security/CVE-2023-45733
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2292297
- https://access.redhat.com/errata/RHSA-2024:9401
- https://bugzilla.redhat.com/show_bug.cgi?id=2292296
Frequently Asked Questions
What is the severity of CVE-2023-45733?
CVE-2023-45733 has a medium severity rating due to the potential for partial information disclosure through race conditions in Intel processors.
How do I fix CVE-2023-45733?
To fix CVE-2023-45733, update the intel-microcode package to the recommended versions for your specific Ubuntu or Debian distribution.
What are the affected Intel processor versions in CVE-2023-45733?
CVE-2023-45733 affects various Intel processors, particularly those associated with specific microcode updates.
Is CVE-2023-45733 exploitable remotely?
CVE-2023-45733 is not considered exploitable remotely as it requires local authenticated access to be leveraged.
What could an attacker gain from exploiting CVE-2023-45733?
An attacker exploiting CVE-2023-45733 may gain access to partial information that could assist in further malicious activities.
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