CVE-2022-21127

MEDIUM

Xen < 1.14.100.3 - Information Disclosure

Title source: rule
STIX 2.1

Description

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.

References (4)

Core 4
Core References
Mailing List, Patch, Third Party Advisory mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2022/06/16/1
Third Party Advisory x_refsource_confirm
https://security.netapp.com/advisory/ntap-20220624-0008/
Third Party Advisory vendor-advisory x_refsource_debian
https://www.debian.org/security/2022/dsa-5178

Scores

CVSS v3 5.5
EPSS 0.0551
EPSS Percentile 91.8%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-459
Status published
Products (8)
debian/debian_linux 10.0
debian/debian_linux 11.0
intel/sgx_dcap < 1.14.100.3 (2 CPE variants)
intel/sgx_psw < 2.16.100.3
intel/sgx_psw < 2.17.100.3
intel/sgx_sdk < 2.16.100.3
intel/sgx_sdk < 2.17.100.3
xen/xen
Published Jun 15, 2022
Tracked Since Feb 18, 2026