Medium severity5.5NVD Advisory· Published Nov 1, 2022· Updated Jun 17, 2026
CVE-2022-42326
CVE-2022-42326
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
38- osv-coords36 versionspkg:rpm/opensuse/xen&distro=openSUSE%20Leap%2015.3pkg:rpm/opensuse/xen&distro=openSUSE%20Leap%2015.4pkg:rpm/opensuse/xen&distro=openSUSE%20Leap%20Micro%205.2pkg:rpm/suse/xen&distro=SUSE%20Enterprise%20Storage%206pkg:rpm/suse/xen&distro=SUSE%20Enterprise%20Storage%207pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-ESPOSpkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-LTSSpkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-ESPOSpkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-LTSSpkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-ESPOSpkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-LTSSpkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Micro%205.1pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Micro%205.2pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Micro%205.3pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP3pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP4pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Server%20Applications%2015%20SP3pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Server%20Applications%2015%20SP4pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-BCLpkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4-LTSSpkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-BCLpkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-LTSSpkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-BCLpkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-LTSSpkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP4pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP1pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP2pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP5pkg:rpm/suse/xen&distro=SUSE%20Manager%20Proxy%204.1pkg:rpm/suse/xen&distro=SUSE%20Manager%20Retail%20Branch%20Server%204.1pkg:rpm/suse/xen&distro=SUSE%20Manager%20Server%204.1pkg:rpm/suse/xen&distro=SUSE%20OpenStack%20Cloud%209pkg:rpm/suse/xen&distro=SUSE%20OpenStack%20Cloud%20Crowbar%209
< 4.14.5_08-150300.3.40.1+ 35 more
- (no CPE)range: < 4.14.5_08-150300.3.40.1
- (no CPE)range: < 4.16.2_08-150400.4.16.1
- (no CPE)range: < 4.14.5_08-150300.3.40.1
- (no CPE)range: < 4.12.4_30-150100.3.80.1
- (no CPE)range: < 4.13.4_16-150200.3.65.1
- (no CPE)range: < 4.12.4_30-150100.3.80.1
- (no CPE)range: < 4.12.4_30-150100.3.80.1
- (no CPE)range: < 4.13.4_16-150200.3.65.1
- (no CPE)range: < 4.13.4_16-150200.3.65.1
- (no CPE)range: < 4.10.4_40-150000.3.84.1
- (no CPE)range: < 4.10.4_40-150000.3.84.1
- (no CPE)range: < 4.14.5_08-150300.3.40.1
- (no CPE)range: < 4.14.5_08-150300.3.40.1
- (no CPE)range: < 4.16.2_08-150400.4.16.1
- (no CPE)range: < 4.14.5_08-150300.3.40.1
- (no CPE)range: < 4.16.2_08-150400.4.16.1
- (no CPE)range: < 4.14.5_08-150300.3.40.1
- (no CPE)range: < 4.16.2_08-150400.4.16.1
- (no CPE)range: < 4.9.4_34-3.114.1
- (no CPE)range: < 4.11.4_34-2.83.1
- (no CPE)range: < 4.12.4_30-3.82.1
- (no CPE)range: < 4.12.4_30-150100.3.80.1
- (no CPE)range: < 4.12.4_30-150100.3.80.1
- (no CPE)range: < 4.13.4_16-150200.3.65.1
- (no CPE)range: < 4.13.4_16-150200.3.65.1
- (no CPE)range: < 4.11.4_34-2.83.1
- (no CPE)range: < 4.12.4_30-3.82.1
- (no CPE)range: < 4.10.4_40-150000.3.84.1
- (no CPE)range: < 4.12.4_30-150100.3.80.1
- (no CPE)range: < 4.13.4_16-150200.3.65.1
- (no CPE)range: < 4.12.4_30-3.82.1
- (no CPE)range: < 4.13.4_16-150200.3.65.1
- (no CPE)range: < 4.13.4_16-150200.3.65.1
- (no CPE)range: < 4.13.4_16-150200.3.65.1
- (no CPE)range: < 4.11.4_34-2.83.1
- (no CPE)range: < 4.11.4_34-2.83.1
Patches
Vulnerability mechanics
References
8- www.openwall.com/lists/oss-security/2022/11/01/11nvdMailing ListPatchThird Party Advisory
- xenbits.xen.org/xsa/advisory-421.htmlnvdPatchVendor Advisory
- xenbits.xenproject.org/xsa/advisory-421.txtnvdPatchVendor Advisory
- www.debian.org/security/2022/dsa-5272nvdThird Party Advisory
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YTMITQBGC23MSDHUCAPCVGLMVXIBXQTQ/nvd
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YZVXG7OOOXCX6VIPEMLFDPIPUTFAYWPE/nvd
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZLI2NPNEH7CNJO3VZGQNOI4M4EWLNKPZ/nvd
- security.gentoo.org/glsa/202402-07nvd
News mentions
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