CVE-2022-21166: Medium severity XEN Xen vulnerability
A flaw was found in hw. Incomplete cleanup in specific special register write operations for some Intel® Processors may allow an authenticated user to enable information disclosure via local access.
Other sources
Incomplete cleanup in specific special register write operations for some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
References:
https://www.intel.com/content/www/us/en/developer/articles/technical/software-security-guidance/technical-documentation/processor-mmio-stale-data-vulnerabilities.html
— Red Hat
Affected Software
Remediation
Information
Patch Available
Event History
Parent advisories
This vulnerability appears in the following advisories.
Frequently Asked Questions
What is the severity of CVE-2022-21166?
CVE-2022-21166 is considered a medium severity vulnerability due to potential information disclosure risks.
How do I fix CVE-2022-21166?
To fix CVE-2022-21166, ensure that you update to the latest kernel versions provided by Red Hat as specified in the advisory.
Who is affected by CVE-2022-21166?
CVE-2022-21166 affects certain Intel processors and may impact systems running specific versions of the Red Hat kernel.
What potential impact does CVE-2022-21166 have?
CVE-2022-21166 can potentially allow an authenticated user to gain access to sensitive information due to incomplete cleanup processes.
Is CVE-2022-21166 exploitable remotely?
CVE-2022-21166 is not remotely exploitable as it requires local authenticated access to the affected systems.