CVE-2022-42333

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

1.18% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 67.6% of scored records. A rank, not a probability.

NVD base score

8.6 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

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

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2023-03-21 00:00Z3 YR AGO

Last updated

2025-02-13 16:33Z1 YR AGO

Reserved

2022-10-03

Assigning CNA

XEN

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-770Allocation of Resources Without Limits or ThrottlingBase

Data version

5.1

Document digest

36e720c0a5206d716b88b22526e4fc5d7f889d35cc8ca695ca77ae83b27f6bef

• xenbits.xenproject.orghttps://xenbits.xenproject.org/xsa/advisory-428.txt
• xenbits.xen.orghttp://xenbits.xen.org/xsa/advisory-428.html
• www.openwall.com[oss-security] 20230321 Xen Security Advisory 428 v3 (CVE-2022-42333,CVE-2022-42334) - x86/HVM pinned cache attributes mis-handlinghttp://www.openwall.com/lists/oss-security/2023/03/21/2mailing-list
• lists.fedoraproject.orgFEDORA-2023-703f133eb3https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/APBMS2Q6746AXAFAITNJMGBNFGNMVLWR/vendor-advisory
• lists.fedoraproject.orgFEDORA-2023-da8315e641https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5L6PM4RE7MUE6OWA32ZVOXCP235RM2TM/vendor-advisory
• www.debian.orgDSA-5378https://www.debian.org/security/2023/dsa-5378vendor-advisory
• security.gentoo.orghttps://security.gentoo.org/glsa/202402-07