CVE-2022-42330

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.

7.5

CVSS

Severity: High

CVSS 3.1 •

EPSS 0.18%

Vendor Advisory gentoo.org Vendor Advisory xenproject.org

Affected: Xen xen

References

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

Frequently Asked Questions

What is the severity of CVE-2022-42330?: CVE-2022-42330 has been scored as a high severity vulnerability.
How to fix CVE-2022-42330?: To fix CVE-2022-42330, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-42330 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2022-42330 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-42330?: CVE-2022-42330 affects Xen xen.

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