Information Disclosure in Intel Processors Due to Incomplete Cleanup of Multi-Core Shared Buffers
CVE-2022-21123

5.5MEDIUM

Key Information:

Vendor

Xen Project
Status
Intel(r) Processors
Vendor
CVE Published:
15 June 2022

What is CVE-2022-21123?

A security issue exists in certain Intel processors due to the incomplete cleanup of multi-core shared buffers. This vulnerability potentially allows an authenticated user to access sensitive information via local means. Mitigation measures should be taken to ensure that shared buffers are properly cleared to prevent unauthorized access to confidential data.

Affected Version(s)

Intel(R) Processors See references

References

https://www.intel.com/content/www/us/en/security-center/a...
x_refsource_MISC
http://www.openwall.com/lists/oss-security/2022/06/16/1
mailing-listx_refsource_MLIST
https://lists.fedoraproject.org/archives/list/package-ann...
vendor-advisoryx_refsource_FEDORA

CVSS V3.1

Score:
5.5
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.
CVE-2022-21123 : Information Disclosure in Intel Processors Due to Incomplete Cleanup of Multi-Core Shared Buffers