CVE-2022-23033

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 26.9% 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

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 13:36Z4 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-404Improper Resource Shutdown or ReleaseClass
• CWE-863Incorrect AuthorizationClass

Data version

5.1

Document digest

d84527319fe53810c3f28637fdf4698f89ba72db830bad928f9f0157ca90e0ef

• xenbits.xenproject.orghttps://xenbits.xenproject.org/xsa/advisory-393.txtx_refsource_MISC
• www.openwall.com[oss-security] 20220125 Xen Security Advisory 393 v2 (CVE-2022-23033) - arm: guest_physmap_remove_page not removing the p2m mappingshttp://www.openwall.com/lists/oss-security/2022/01/25/2mailing-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