CVE-2022-42335

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

0.26% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 18.3% of scored records. A rank, not a probability.

NVD base score

7.8 (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:U/C:H/I:H/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

2023-04-25 00:00Z3 YR AGO

Last updated

2024-08-03 13:03Z2 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-476NULL Pointer DereferenceBase

Data version

5.1

Document digest

b988c13f8e77ec379f9d42f656613932f9b048b788cbd42ab26be78c260ec93a

• xenbits.xenproject.orghttps://xenbits.xenproject.org/xsa/advisory-430.txt
• xenbits.xen.orghttp://xenbits.xen.org/xsa/advisory-430.html
• www.openwall.com[oss-security] 20230425 Xen Security Advisory 430 v2 (CVE-2022-42335) - x86 shadow paging arbitrary pointer dereferencehttp://www.openwall.com/lists/oss-security/2023/04/25/1mailing-list
• lists.fedoraproject.orgFEDORA-2023-d28433ead1https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PSPFWSY6UOPGMADQGOGN2PAAS5LJRPTG/vendor-advisory
• security.gentoo.orgGLSA-202402-07https://security.gentoo.org/glsa/202402-07vendor-advisory