CVE-2022-33747

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

0.28% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 20.8% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

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

2022-10-11 00:00Z4 YR AGO

Last updated

2024-08-03 08:09Z2 YR AGO

Reserved

2022-06-15

Assigning CNA

XEN

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-404Improper Resource Shutdown or ReleaseClass

Data version

5.1

Document digest

71c48d160e72a4fce4f8efaf53dafc3722ee6caeef546dae261c2ea252db7767

• xenbits.xenproject.orghttps://xenbits.xenproject.org/xsa/advisory-409.txt
• xenbits.xen.orghttp://xenbits.xen.org/xsa/advisory-409.html
• www.openwall.com[oss-security] 20221011 Xen Security Advisory 409 v3 (CVE-2022-33747) - Arm: unbounded memory consumption for 2nd-level page tableshttp://www.openwall.com/lists/oss-security/2022/10/11/5mailing-list
• lists.fedoraproject.orgFEDORA-2022-5b594b82achttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XWSC77GS5NATI3TT7FMVPULUPXR635XQ/vendor-advisory
• www.debian.orgDSA-5272https://www.debian.org/security/2022/dsa-5272vendor-advisory
• lists.fedoraproject.orgFEDORA-2022-d80cc73088https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TJOMUNGW6VTK5CZZRLWLVVEOUPEQBRHI/vendor-advisory
• lists.fedoraproject.orgFEDORA-2022-99af00f60ehttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YZVXG7OOOXCX6VIPEMLFDPIPUTFAYWPE/vendor-advisory
• security.gentoo.orgGLSA-202402-07https://security.gentoo.org/glsa/202402-07vendor-advisory