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CVE-2022-42330

Date: January 25, 2023

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.

Language: C

Severity Score

Related Resources (5)

https://security.gentoo.org/glsa/202402-07
https://xenbits.xenproject.org/xsa/advisory-425.txt
https://security-tracker.debian.org/tracker/CVE-2022-42330
https://nvd.nist.gov/vuln/detail/CVE-2022-42330
https://www.mend.io/vulnerability-database/CVE-2022-42330

Severity Score

Weakness Type (CWE)

Insufficient Information

NVD-CWE-noinfo

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

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