CVE-2022-42326: Xen xen

Affected products, as the CNA wrote them
Vendor	Product	Versions
Xen	xen	unknown consult Xen advisory XSA-421

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
5.5	Medium	3.1	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H	ADP (CISA-ADP)

CISA KEV Not listed.
EPSS 0.0031, the 23rd percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 1 Nov 2022. New records show when each source confirmed them.

Sources

References from the CNA

xenbits.xenproject.org/xsa/advisory-421.txt
xenbits.xen.org/xsa/advisory-421.html
www.openwall.com/lists/oss-security/2022/11/01/11 mailing-list
www.debian.org/security/2022/dsa-5272 vendor-advisory
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZLI2NPNEH7CNJO3VZGQNOI4M4EWLNKPZ/ vendor-advisory
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YZVXG7OOOXCX6VIPEMLFDPIPUTFAYWPE/ vendor-advisory
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YTMITQBGC23MSDHUCAPCVGLMVXIBXQTQ/ vendor-advisory
security.gentoo.org/glsa/202402-07 vendor-advisory

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.