CVE-2022-23034

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

0.34% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 26.5% of scored records. A rank, not a probability.

NVD base score

5.5 (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:N/I:N/A:H

NVD analysis status

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

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

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

2022-01-25 13:43Z4 YR AGO

Last updated

2024-08-03 03:28Z2 YR AGO

Reserved

2022-01-10

Assigning CNA

XEN

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-191Integer Underflow (Wrap or Wraparound)Base

Data version

5.1

Document digest

ce9ab03a07b228342f86528efdf508b6c847552290fd5703329f65733dd953ba

• xenbits.xenproject.orghttps://xenbits.xenproject.org/xsa/advisory-394.txtx_refsource_MISC
• www.openwall.com[oss-security] 20220125 Xen Security Advisory 394 v3 (CVE-2022-23034) - A PV guest could DoS Xen while unmapping a granthttp://www.openwall.com/lists/oss-security/2022/01/25/3mailing-listx_refsource_MLIST
• lists.fedoraproject.orgFEDORA-2022-0cc3916e08https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OMR6UBGJW6JKND7IILGQ2CU35EQPF3E3/vendor-advisoryx_refsource_FEDORA
• www.debian.orgDSA-5117https://www.debian.org/security/2022/dsa-5117vendor-advisoryx_refsource_DEBIAN
• security.gentoo.orgGLSA-202208-23https://security.gentoo.org/glsa/202208-23vendor-advisoryx_refsource_GENTOO