CVE-2022-42326

MediumCVSS 5.5/10Last modified Jun 17, 2026

Description

Xenstore: Guests can create arbitrary number of nodes via transactions T[his CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] In case a node has been created in a transaction and it is later deleted in the same transaction, the transaction will be terminated with an error. As this error is encountered only when handling the deleted node at transaction finalization, the transaction will have been performed partially and without updating the accounting information. This will enable a malicious guest to create arbitrary number of nodes.

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Nov 1, 2022
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2022

CVE-2022-423277.1x86: unintended memory sharing between guests On Intel systems that support the "virtualize APIC accesses" feature, a guest can read and wriCVE-2022-423285.5Guests can trigger deadlock in Linux netback driver T[his CNA information record relates to multiple CVEs; the text explains which aspects/vCVE-2022-423295.5Guests can trigger deadlock in Linux netback driver T[his CNA information record relates to multiple CVEs; the text explains which aspects/vCVE-2022-42336.1A vulnerability has been found in SourceCodester Event Registration System 1.0 and classified as problematic. Affected by this vulnerabilityCVE-2022-423307.5Guests can cause Xenstore crash via soft reset When a guest issues a "Soft Reset" (e.g. for performing a kexec) the libxl based Xen toolstacCVE-2022-423315.5x86: speculative vulnerability in 32bit SYSCALL path Due to an oversight in the very original Spectre/Meltdown security work (XSA-254), one CVE-2022-423327.8x86 shadow plus log-dirty mode use-after-free In environments where host assisted address translation is necessary but Hardware Assisted PagCVE-2022-423338.6x86/HVM pinned cache attributes mis-handling T[his CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabCVE-2022-423346.5x86/HVM pinned cache attributes mis-handling T[his CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabCVE-2022-423357.8x86 shadow paging arbitrary pointer dereference In environments where host assisted address translation is necessary but Hardware Assisted PCVE-2022-423363.3Mishandling of guest SSBD selection on AMD hardware The current logic to set SSBD on AMD Family 17h and Hygon Family 18h processors requiresCVE-2022-423397.8Adobe Acrobat Reader versions 22.002.20212 (and earlier) and 20.005.30381 (and earlier) are affected by a Stack-based Buffer Overflow vulner
CVE-2022-42326: Medium severity, CVSS 5.5 | Vulnix