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Vulnerability record · CVE-2022-21123 · published 15 June 2022

CVE-2022-21123: Xen vulnerability

Xen · Xen

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.

5.5 CVSS 3.1 Medium EPSS 6.2% · top 6.8% CWE-459 · CWE-459
5.5CVSS 3.1 base score, v2 2.1
6.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
7Affected product versions listed by NVD
24References
17 Jun 2026Last modified by NVD

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.

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Affected products

7 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.openwall.com/lists/oss-security/2022/06/16/1 Mailing ListPatchThird Party Advisory
https://lists.debian.org/debian-lts-announce/2022/07/msg00000.html Mailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FHTEW3RXU2GW6S3RCPQG4VN
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MCVOMHBQRH4KP7IN6U24CW7
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RKRXZ4LHGCGMOG24ZCEJNY6
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T4P2KJYL74KGLHE4JZETVW7
https://security.gentoo.org/glsa/202208-23 Third Party Advisory
https://security.netapp.com/advisory/ntap-20220624-0008/ Third Party Advisory
https://www.debian.org/security/2022/dsa-5173 Third Party Advisory
https://www.debian.org/security/2022/dsa-5178 Third Party Advisory
https://www.debian.org/security/2022/dsa-5184 Third Party Advisory
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00615.html PatchVendor Advisory
http://www.openwall.com/lists/oss-security/2022/06/16/1 Mailing ListPatchThird Party Advisory
https://lists.debian.org/debian-lts-announce/2022/07/msg00000.html Mailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FHTEW3RXU2GW6S3RCPQG4VN
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MCVOMHBQRH4KP7IN6U24CW7
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RKRXZ4LHGCGMOG24ZCEJNY6
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T4P2KJYL74KGLHE4JZETVW7
https://security.gentoo.org/glsa/202208-23 Third Party Advisory
https://security.netapp.com/advisory/ntap-20220624-0008/ Third Party Advisory
https://www.debian.org/security/2022/dsa-5173 Third Party Advisory
https://www.debian.org/security/2022/dsa-5178 Third Party Advisory
https://www.debian.org/security/2022/dsa-5184 Third Party Advisory
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00615.html PatchVendor Advisory

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Source: NIST National Vulnerability Database (record CVE-2022-21123), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.