CVE-2022-21123

MEDIUM

Xen - Incomplete Cleanup Information Disclosure

Title source: llm
STIX 2.1

Description

Incomplete cleanup of multi-core shared buffers for some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.

References (12)

Core 12
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/
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2022/07/msg00000.html
Third Party Advisory vendor-advisory x_refsource_debian
https://www.debian.org/security/2022/dsa-5173
Third Party Advisory vendor-advisory x_refsource_debian
https://www.debian.org/security/2022/dsa-5178
Third Party Advisory vendor-advisory x_refsource_debian
https://www.debian.org/security/2022/dsa-5184
Third Party Advisory vendor-advisory x_refsource_gentoo
https://security.gentoo.org/glsa/202208-23

Scores

CVSS v3 5.5
EPSS 0.0612
EPSS Percentile 92.5%
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 (12)
debian/debian_linux 9.0
debian/debian_linux 10.0
debian/debian_linux 11.0
fedoraproject/fedora 35
fedoraproject/fedora 36
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
... and 2 more
Published Jun 15, 2022
Tracked Since Feb 18, 2026