cbcvebase.
CVE-2022-42330
published 2023-01-26

CVE-2022-42330: 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…

PriorityP337high7.5CVSS 3.1
AVNACLPRNUINSUCNINAH
EPSS
1.36%
68.7th percentile
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.

Affected

5 ranges
VendorProductVersion rangeFixed in
debianxen< xen 4.17.0+24-g2f8851c37f-2 (bookworm)xen 4.17.0+24-g2f8851c37f-2 (bookworm)
xenxen
xenxen>= 0 < 4.17.0+24-g2f8851c37f-24.17.0+24-g2f8851c37f-2
xenxen>= 0 < 4.17.0+24-g2f8851c37f-24.17.0+24-g2f8851c37f-2
xenxen>= 0 < 4.17.0+24-g2f8851c37f-24.17.0+24-g2f8851c37f-2

CVSS provenance

nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
osv7.5HIGH
vendor_debian7.5HIGH
Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.