CVE-2023-22655
First published: Tue Mar 12 2024(Updated: )
Protection mechanism failure in some 3rd and 4th Generation Intel(R) Xeon(R) Processors when using Intel(R) SGX or Intel(R) TDX may allow a privileged user to potentially enable escalation of privilege 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 | <3.20240514.0ubuntu0.16.04.1+ | 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://lists.debian.org/debian-lts-announce/2024/05/msg00003.html
- https://security.netapp.com/advisory/ntap-20240405-0006/
- https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00960.html
- https://www.cve.org/CVERecord?id=CVE-2023-22655
- https://ubuntu.com/security/notices/USN-6797-1
- https://nvd.nist.gov/vuln/detail/CVE-2023-22655
- https://launchpad.net/bugs/cve/CVE-2023-22655
- https://security-tracker.debian.org/tracker/CVE-2023-22655
- https://ubuntu.com/security/CVE-2023-22655
- https://github.com/intel/Intel-Linux-Processor-Microcode-Data-Files/releases/tag/microcode-20240312
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2270720
- https://access.redhat.com/errata/RHSA-2024:9401
- https://bugzilla.redhat.com/show_bug.cgi?id=2270698
Frequently Asked Questions
What is the severity of CVE-2023-22655?
CVE-2023-22655 has a high severity level due to its potential to allow escalation of privilege for privileged users.
How do I fix CVE-2023-22655?
To mitigate CVE-2023-22655, update to the latest versions of the intel-microcode package available for your specific Ubuntu or Debian release.
What platforms are affected by CVE-2023-22655?
CVE-2023-22655 affects 3rd and 4th Generation Intel Xeon Processors utilizing Intel SGX or Intel TDX technologies.
Can local access escalate privileges due to CVE-2023-22655?
Yes, CVE-2023-22655 allows a privileged user with local access to potentially escalate their privileges.
Which versions of intel-microcode are safe from CVE-2023-22655?
Versions of intel-microcode that are updated to at least 3.20240514.*, based on your OS version, are considered safe from CVE-2023-22655.
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