CVE-2022-42330

7.5 highEPSS 1.4%

High (7.5) in xen xen. EPSS 1.4% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

7.5 high

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS: 1.4% chance of exploitation in the next 30 days; higher than 71% of CVEs (scores of 2026-10-31)
Published: 2023-01-26
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

xen:xen

References

https://security.gentoo.org/glsa/202402-07
https://xenbits.xenproject.org/xsa/advisory-425.txt
http://xenbits.xen.org/xsa/advisory-425.html
https://security.gentoo.org/glsa/202402-07
https://xenbits.xenproject.org/xsa/advisory-425.txt

Check your stack JSON