Medium severity6.5NVD Advisory· Published Mar 25, 2022· Updated Jun 17, 2026
CVE-2021-4147
CVE-2021-4147
Description
A flaw was found in the libvirt libxl driver. A malicious guest could continuously reboot itself and cause libvirtd on the host to deadlock or crash, resulting in a denial of service condition.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
44- osv-coords39 versionspkg:rpm/suse/libvirt&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP3pkg:rpm/suse/libvirt&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-LTSSpkg:rpm/suse/libvirt&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-BCLpkg:rpm/suse/libvirt&distro=SUSE%20Manager%20Retail%20Branch%20Server%204.1pkg:rpm/suse/libvirt&distro=SUSE%20Linux%20Enterprise%20Micro%205.1pkg:rpm/suse/libvirt&distro=SUSE%20Linux%20Enterprise%20Server%2015-LTSSpkg:rpm/suse/libvirt&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP5pkg:rpm/suse/libvirt&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg:rpm/suse/libvirt&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-ESPOSpkg:rpm/suse/libvirt&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP1pkg:rpm/suse/libvirt&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-LTSSpkg:rpm/opensuse/libvirt&distro=openSUSE%20Tumbleweedpkg:rpm/suse/libvirt&distro=SUSE%20OpenStack%20Cloud%208pkg:rpm/suse/libvirt&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3pkg:rpm/suse/libvirt&distro=SUSE%20OpenStack%20Cloud%20Crowbar%209pkg:rpm/suse/libvirt&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-LTSSpkg:rpm/suse/libvirt&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP2pkg:rpm/suse/libvirt&distro=SUSE%20Manager%20Server%204.1pkg:rpm/suse/libvirt&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-LTSSpkg:rpm/suse/libvirt&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/suse/libvirt&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-BCLpkg:rpm/suse/libvirt&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP4pkg:rpm/suse/libvirt&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4-LTSSpkg:rpm/opensuse/libvirt&distro=openSUSE%20Leap%2015.3pkg:rpm/suse/libvirt&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Server%20Applications%2015%20SP3pkg:rpm/suse/libvirt&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-ESPOSpkg:rpm/suse/libvirt&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-LTSSpkg:rpm/suse/libvirt&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015pkg:rpm/suse/libvirt&distro=HPE%20Helion%20OpenStack%208pkg:rpm/suse/libvirt&distro=SUSE%20OpenStack%20Cloud%20Crowbar%208pkg:rpm/suse/libvirt&distro=SUSE%20OpenStack%20Cloud%209pkg:rpm/suse/libvirt&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-ESPOSpkg:rpm/suse/libvirt&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-LTSSpkg:rpm/suse/libvirt&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-BCLpkg:rpm/suse/libvirt&distro=SUSE%20Manager%20Proxy%204.1pkg:rpm/suse/libvirt&distro=SUSE%20Linux%20Enterprise%20Micro%205.0pkg:rpm/suse/libvirt&distro=SUSE%20Enterprise%20Storage%207pkg:rpm/suse/libvirt&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2015%20SP2pkg:rpm/suse/libvirt&distro=SUSE%20Enterprise%20Storage%206
< 7.1.0-6.11.1+ 38 more
- (no CPE)range: < 7.1.0-6.11.1
- (no CPE)range: < 3.3.0-5.49.1
- (no CPE)range: < 3.3.0-5.49.1
- (no CPE)range: < 6.0.0-13.24.1
- (no CPE)range: < 7.1.0-6.11.1
- (no CPE)range: < 4.0.0-9.40.1
- (no CPE)range: < 5.1.0-13.28.2
- (no CPE)range: < 5.1.0-13.28.2
- (no CPE)range: < 5.1.0-17.1
- (no CPE)range: < 5.1.0-17.1
- (no CPE)range: < 5.1.0-17.1
- (no CPE)range: < 8.0.0-1.1
- (no CPE)range: < 3.3.0-5.49.1
- (no CPE)range: < 3.3.0-5.49.1
- (no CPE)range: < 4.0.0-8.26.1
- (no CPE)range: < 6.0.0-13.24.1
- (no CPE)range: < 6.0.0-13.24.1
- (no CPE)range: < 6.0.0-13.24.1
- (no CPE)range: < 5.1.0-17.1
- (no CPE)range: < 5.1.0-13.28.2
- (no CPE)range: < 5.1.0-17.1
- (no CPE)range: < 4.0.0-8.26.1
- (no CPE)range: < 4.0.0-8.26.1
- (no CPE)range: < 7.1.0-6.11.1
- (no CPE)range: < 7.1.0-6.11.1
- (no CPE)range: < 4.0.0-9.40.1
- (no CPE)range: < 4.0.0-9.40.1
- (no CPE)range: < 4.0.0-9.40.1
- (no CPE)range: < 3.3.0-5.49.1
- (no CPE)range: < 3.3.0-5.49.1
- (no CPE)range: < 4.0.0-8.26.1
- (no CPE)range: < 6.0.0-13.24.1
- (no CPE)range: < 6.0.0-13.24.1
- (no CPE)range: < 6.0.0-13.24.1
- (no CPE)range: < 6.0.0-13.24.1
- (no CPE)range: < 6.0.0-13.24.1
- (no CPE)range: < 6.0.0-13.24.1
- (no CPE)range: < 6.0.0-13.24.1
- (no CPE)range: < 5.1.0-17.1
- cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
- cpe:2.3:a:netapp:ontap_select_deploy_administration_utility:-:*:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
3- bugzilla.redhat.com/show_bug.cginvdIssue TrackingPatchVendor Advisory
- security.netapp.com/advisory/ntap-20220513-0004/nvdThird Party Advisory
- lists.debian.org/debian-lts-announce/2024/04/msg00000.htmlnvd
News mentions
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