Source: xen
Version: 4.17.0-1
Severity: important
Tags: security upstream
X-Debbugs-Cc: [email protected], Debian Security Team <[email protected]>

Hi,

The following vulnerability was published for xen.

CVE-2022-42330[0]:
| 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.


If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2022-42330
    https://www.cve.org/CVERecord?id=CVE-2022-42330
[1] https://xenbits.xen.org/xsa/advisory-425.html

Regards,
Salvatore

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