CVE-2022-21127
First published: Wed Jun 15 2022(Updated: )
Incomplete cleanup in specific special register read operations for some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.
Credit: secure@intel.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/intel-microcode | 3.20240813.1~deb11u1 3.20241112.1~deb11u1 3.20241112.1~deb12u1 3.20231114.1~deb12u1 3.20241112.1 | |
| Xen xen-unstable | ||
| Intel sgx dcap linux | <1.14.100.3 | |
| Intel sgx dcap windows | <1.14.100.3 | |
| Intel sgx psw windows | <2.16.100.3 | |
| Intel sgx psw linux | <2.17.100.3 | |
| Intel sgx sdk windows | <2.16.100.3 | |
| Intel sgx sdk linux | <2.17.100.3 | |
| Debian GNU/Linux | =10.0 | |
| Debian GNU/Linux | =11.0 |
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Reference Links
- http://www.openwall.com/lists/oss-security/2022/06/16/1
- https://security.netapp.com/advisory/ntap-20220624-0008/
- https://www.debian.org/security/2022/dsa-5178
- https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00615.html
- https://launchpad.net/bugs/cve/CVE-2022-21127
- https://www.intel.com/content/www/us/en/developer/articles/technical/software-security-guidance/technical-documentation/processor-mmio-stale-data-vulnerabilities.html#SRBDS-Update
- https://xenbits.xen.org/xsa/advisory-404.html
- https://security-tracker.debian.org/tracker/CVE-2022-21127
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-21127
- https://nvd.nist.gov/vuln/detail/CVE-2022-21127
- https://ubuntu.com/security/CVE-2022-21127
Frequently Asked Questions
What is the vulnerability ID for this issue?
The vulnerability ID for this issue is CVE-2022-21127.
What is the description of the vulnerability?
The vulnerability allows an authenticated user to potentially enable information disclosure via local access.
What is the affected software?
The affected software is intel-microcode with versions 3.20220510.1 and earlier.
How can I fix this vulnerability?
To fix this vulnerability, it is recommended to update the intel-microcode package to version 3.20220510.1 or later.
Where can I find more information about this vulnerability?
More information about this vulnerability can be found at the following references: [Intel Security Advisory](https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00615.html), [Openwall OSS Security Mailing List](http://www.openwall.com/lists/oss-security/2022/06/16/1), [NetApp Security Advisory](https://security.netapp.com/advisory/ntap-20220624-0008/)
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