CVE-2022-42330

High

Description

Guests can cause Xenstore crash via soft reset When a guest issues a "Soft Reset" (e.g. for performing a kexec) the libxl based Xen toolstack will normally perform a XS_RELEASE Xenstore operation. Due to a bug in xenstored this can result in a crash of xenstored. Any other use of XS_RELEASE will have the same impact.

SeverityHigh

CVSS7.5

Exploit probability—

ProductXen

PublishedJan 26, 2023

First seenJan 26, 2023

How to fix

Vendor advisories

security.gentoo.org/glsa/202402-07

Affected products

Product	Affected versions	Fixed in
xen xen	4.17.0	—

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