CVE-2023-46103
First published: Thu May 16 2024(Updated: )
Sequence of processor instructions leads to unexpected behavior in Intel(R) Core(TM) Ultra Processors may allow an authenticated user to potentially enable denial of service 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-01052.html
- https://launchpad.net/bugs/cve/CVE-2023-46103
- https://www.cve.org/CVERecord?id=CVE-2023-46103
- 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-2023-46103
- https://security-tracker.debian.org/tracker/CVE-2023-46103
- https://ubuntu.com/security/CVE-2023-46103
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2292301
- https://access.redhat.com/errata/RHSA-2024:9401
- https://bugzilla.redhat.com/show_bug.cgi?id=2292300
Frequently Asked Questions
What is the severity of CVE-2023-46103?
CVE-2023-46103 has a medium severity rating, potentially allowing denial of service through a sequence of processor instructions.
How do I fix CVE-2023-46103?
To fix CVE-2023-46103, you should update the intel-microcode package to the specific versions indicated for your Ubuntu or Debian distribution.
Which processors are affected by CVE-2023-46103?
CVE-2023-46103 affects Intel Core Ultra Processors.
Can CVE-2023-46103 be exploited remotely?
No, CVE-2023-46103 requires local access to exploit, as it affects authenticated users.
Is there a patch available for CVE-2023-46103?
Yes, patches for CVE-2023-46103 are available in the form of updated intel-microcode packages.
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