[Pkg-xen-devel] Bug#1029830: xen: CVE-2022-42330
Salvatore Bonaccorso
carnil at debian.org
Sat Jan 28 13:01:27 GMT 2023
Source: xen
Version: 4.17.0-1
Severity: important
Tags: security upstream
X-Debbugs-Cc: carnil at debian.org, Debian Security Team <team at security.debian.org>
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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