{"kind": "product", "path": "vulns/ubuntu-20.04-lts/libvirt", "name": "libvirt", "product": "libvirt", "ecosystem": "Ubuntu:20.04:LTS", "items": [{"id": "CVE-2024-2494", "noindex": false, "published": "2024-03-21T13:39:08.847Z", "modified": "2026-02-25T19:31:25.736Z", "cvss": 6.2, "cvss_vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "severity": "medium", "epss": 0.00367, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2024-2494", "title": "Libvirt: negative g_new0 length can lead to unbounded memory allocation", "description": "A flaw was found in the RPC library APIs of libvirt. The RPC server deserialization code allocates memory for arrays before the non-negative length check is performed by the C API entry points. Passing a negative length to the g_new0 function results in a crash due to the negative length being treated as a huge positive number. This flaw allows a local, unprivileged user to perform a denial of service attack by causing the libvirt daemon to crash.", "references": ["https://access.redhat.com/errata/RHSA-2024:2560", "https://access.redhat.com/errata/RHSA-2024:3253", "https://access.redhat.com/security/cve/CVE-2024-2494"], "fixes": ["6.0.0-0ubuntu8.19"], "products": [{"name": "libvirt", "path": "vulns/ubuntu-20.04-lts/libvirt", "ecosystem": "Ubuntu:20.04:LTS"}]}, {"id": "CVE-2024-2496", "noindex": false, "published": "2024-03-18T12:54:17.647Z", "modified": "2025-11-08T06:49:39.207Z", "cvss": 5, "cvss_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H", "severity": "medium", "epss": 0.00253, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2024-2496", "title": "Libvirt: null pointer dereference in udevconnectlistallinterfaces()", "description": "A NULL pointer dereference flaw was found in the udevConnectListAllInterfaces() function in libvirt. This issue can occur when detaching a host interface while at the same time collecting the list of interfaces via virConnectListAllInterfaces API. This flaw could be used to perform a denial of service attack by causing the libvirt daemon to crash.", "references": ["https://access.redhat.com/errata/RHSA-2024:2236", "https://access.redhat.com/security/cve/CVE-2024-2496", "https://bugzilla.redhat.com/show_bug.cgi?id=2269672"], "fixes": ["6.0.0-0ubuntu8.19"], "products": [{"name": "libvirt", "path": "vulns/ubuntu-20.04-lts/libvirt", "ecosystem": "Ubuntu:20.04:LTS"}]}, {"id": "CVE-2024-1441", "noindex": false, "published": "2024-03-11T13:37:54.724Z", "modified": "2025-11-08T08:05:37.056Z", "cvss": 5.5, "cvss_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "severity": "medium", "epss": 0.00401, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2024-1441", "title": "Libvirt: off-by-one error in udevlistinterfacesbystatus()", "description": "An off-by-one error flaw was found in the udevListInterfacesByStatus() function in libvirt when the number of interfaces exceeds the size of the `names` array. This issue can be reproduced by sending specially crafted data to the libvirt daemon, allowing an unprivileged client to perform a denial of service attack by causing the libvirt daemon to crash.", "references": ["https://access.redhat.com/errata/RHSA-2024:2560", "https://access.redhat.com/security/cve/CVE-2024-1441", "https://bugzilla.redhat.com/show_bug.cgi?id=2263841"], "fixes": ["6.0.0-0ubuntu8.19"], "products": [{"name": "libvirt", "path": "vulns/ubuntu-20.04-lts/libvirt", "ecosystem": "Ubuntu:20.04:LTS"}]}, {"id": "CVE-2021-3975", "noindex": false, "published": "2022-08-23T00:00:00.000Z", "modified": "2024-08-03T17:09:09.828Z", "cvss": 6.5, "cvss_vector": "", "severity": "medium", "epss": 0.01642, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2021-3975", "title": "CVE-2021-3975", "description": "A use-after-free flaw was found in libvirt. The qemuMonitorUnregister() function in qemuProcessHandleMonitorEOF is called using multiple threads without being adequately protected by a monitor lock. This flaw could be triggered by the virConnectGetAllDomainStats API when the guest is shutting down. An unprivileged client with a read-only connection could use this flaw to perform a denial of service attack by causing the libvirt daemon to crash.", "references": ["https://bugzilla.redhat.com/show_bug.cgi?id=2024326", "https://access.redhat.com/security/cve/CVE-2021-3975", "https://ubuntu.com/security/CVE-2021-3975"], "fixes": ["6.0.0-0ubuntu8.16"], "products": [{"name": "libvirt", "path": "vulns/ubuntu-20.04-lts/libvirt", "ecosystem": "Ubuntu:20.04:LTS"}]}, {"id": "CVE-2022-0897", "noindex": false, "published": "2022-03-25T00:00:00.000Z", "modified": "2024-08-02T23:47:42.099Z", "cvss": 4.3, "cvss_vector": "", "severity": "medium", "epss": 0.01049, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2022-0897", "title": "CVE-2022-0897", "description": "A flaw was found in the libvirt nwfilter driver. The virNWFilterObjListNumOfNWFilters method failed to acquire the driver->nwfilters mutex before iterating over virNWFilterObj instances. There was no protection to stop another thread from concurrently modifying the driver->nwfilters object. This flaw allows a malicious, unprivileged user to exploit this issue via libvirt's API virConnectNumOfNWFilters to crash the network filter management daemon (libvirtd/virtnwfilterd).", "references": ["https://bugzilla.redhat.com/show_bug.cgi?id=2063883", "https://security.gentoo.org/glsa/202210-06", "https://lists.debian.org/debian-lts-announce/2024/04/msg00000.html"], "fixes": ["6.0.0-0ubuntu8.16"], "products": [{"name": "libvirt", "path": "vulns/ubuntu-20.04-lts/libvirt", "ecosystem": "Ubuntu:20.04:LTS"}]}, {"id": "CVE-2021-4147", "noindex": false, "published": "2022-03-25T00:00:00.000Z", "modified": "2024-08-03T17:16:04.272Z", "cvss": 6.5, "cvss_vector": "", "severity": "medium", "epss": 0.00244, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2021-4147", "title": "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.", "references": ["https://bugzilla.redhat.com/show_bug.cgi?id=2034195", "https://security.netapp.com/advisory/ntap-20220513-0004/", "https://lists.debian.org/debian-lts-announce/2024/04/msg00000.html"], "fixes": ["6.0.0-0ubuntu8.16"], "products": [{"name": "libvirt", "path": "vulns/ubuntu-20.04-lts/libvirt", "ecosystem": "Ubuntu:20.04:LTS"}]}, {"id": "CVE-2021-3667", "noindex": false, "published": "2022-03-02T00:00:00.000Z", "modified": "2025-02-13T16:28:25.782Z", "cvss": 6.5, "cvss_vector": "", "severity": "medium", "epss": 0.01366, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2021-3667", "title": "CVE-2021-3667", "description": "An improper locking issue was found in the virStoragePoolLookupByTargetPath API of libvirt. It occurs in the storagePoolLookupByTargetPath function where a locked virStoragePoolObj object is not properly released on ACL permission failure. Clients connecting to the read-write socket with limited ACL permissions could use this flaw to acquire the lock and prevent other users from accessing storage pool/volume APIs, resulting in a denial of service condition. The highest threat from this vulnerability is to system availability.", "references": ["https://bugzilla.redhat.com/show_bug.cgi?id=1986094", "https://libvirt.org/git/?p=libvirt.git%3Ba=commit%3Bh=447f69dec47e1b0bd15ecd7cd49a9fd3b050fb87", "https://gitlab.com/libvirt/libvirt/-/commit/447f69dec47e1b0bd15ecd7cd49a9fd3b050fb87"], "fixes": ["6.0.0-0ubuntu8.16"], "products": [{"name": "libvirt", "path": "vulns/ubuntu-20.04-lts/libvirt", "ecosystem": "Ubuntu:20.04:LTS"}]}, {"id": "CVE-2021-3631", "noindex": false, "published": "2022-03-02T00:00:00.000Z", "modified": "2024-11-19T19:33:55.041Z", "cvss": 6.3, "cvss_vector": "", "severity": "medium", "epss": 0.00493, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2021-3631", "title": "CVE-2021-3631", "description": "A flaw was found in libvirt while it generates SELinux MCS category pairs for VMs' dynamic labels. This flaw allows one exploited guest to access files labeled for another guest, resulting in the breaking out of sVirt confinement. The highest threat from this vulnerability is to confidentiality and integrity.", "references": ["https://bugzilla.redhat.com/show_bug.cgi?id=1977726", "https://gitlab.com/libvirt/libvirt/-/issues/153", "https://gitlab.com/libvirt/libvirt/-/commit/15073504dbb624d3f6c911e85557019d3620fdb2"], "fixes": ["6.0.0-0ubuntu8.16"], "products": [{"name": "libvirt", "path": "vulns/ubuntu-20.04-lts/libvirt", "ecosystem": "Ubuntu:20.04:LTS"}]}, {"id": "CVE-2020-15708", "noindex": false, "published": "2020-11-06T01:40:13.864Z", "modified": "2024-09-16T17:37:51.206Z", "cvss": 9.3, "cvss_vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H", "severity": "critical", "epss": 0.004, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2020-15708", "title": "Libvirt Service Arbitrary File Write Privilege Escalation Vulnerability", "description": "Ubuntu's packaging of libvirt in 20.04 LTS created a control socket with world read and write permissions. An attacker could use this to overwrite arbitrary files or execute arbitrary code.", "references": ["https://usn.ubuntu.com/usn/usn-4452-1", "https://nvd.nist.gov/vuln/detail/CVE-2020-15708"], "fixes": ["6.0.0-0ubuntu8.3"], "products": [{"name": "libvirt", "path": "vulns/ubuntu-20.04-lts/libvirt", "ecosystem": "Ubuntu:20.04:LTS"}]}, {"id": "CVE-2020-25637", "noindex": false, "published": "2020-10-06T00:00:00.000Z", "modified": "2024-08-04T15:40:35.483Z", "cvss": 6.7, "cvss_vector": "", "severity": "medium", "epss": 0.00529, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2020-25637", "title": "CVE-2020-25637", "description": "A double free memory issue was found to occur in the libvirt API, in versions before 6.8.0, responsible for requesting information about network interfaces of a running QEMU domain. This flaw affects the polkit access control driver. Specifically, clients connecting to the read-write socket with limited ACL permissions could use this flaw to crash the libvirt daemon, resulting in a denial of service, or potentially escalate their privileges on the system. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.", "references": ["https://bugzilla.redhat.com/show_bug.cgi?id=1881037", "http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00072.html", "http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00073.html"], "fixes": ["6.0.0-0ubuntu8.16"], "products": [{"name": "libvirt", "path": "vulns/ubuntu-20.04-lts/libvirt", "ecosystem": "Ubuntu:20.04:LTS"}]}, {"id": "CVE-2020-12430", "noindex": false, "published": "2020-04-28T00:00:00.000Z", "modified": "2024-08-04T11:56:52.057Z", "cvss": 6.5, "cvss_vector": "", "severity": "medium", "epss": 0.02275, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2020-12430", "title": "CVE-2020-12430", "description": "An issue was discovered in qemuDomainGetStatsIOThread in qemu/qemu_driver.c in libvirt 4.10.0 though 6.x before 6.1.0. A memory leak was found in the virDomainListGetStats libvirt API that is responsible for retrieving domain statistics when managing QEMU guests. This flaw allows unprivileged users with a read-only connection to cause a memory leak in the domstats command, resulting in a potential denial of service.", "references": ["https://bugzilla.redhat.com/show_bug.cgi?id=1804548", "https://bugzilla.redhat.com/show_bug.cgi?id=1828190", "https://libvirt.org/git/?p=libvirt.git%3Ba=commit%3Bh=9bf9e0ae6af38c806f4672ca7b12a6b38d5a9581"], "fixes": ["6.0.0-0ubuntu6"], "products": [{"name": "libvirt", "path": "vulns/ubuntu-20.04-lts/libvirt", "ecosystem": "Ubuntu:20.04:LTS"}]}], "total": 11, "unknown_count": 0, "release_unconfirmed": false, "page": 1, "pages": 1, "filtered": false, "noindex": false, "filters": {}, "page_size": 20, "products": [{"name": "libvirt", "path": "vulns/ubuntu-20.04-lts/libvirt", "ecosystem": "Ubuntu:20.04:LTS"}], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}, {"name": "web", "path": "vulns/stack/web", "slug": "web"}, {"name": "php", "path": "vulns/stack/php", "slug": "php"}, {"name": "python", "path": "vulns/stack/python", "slug": "python"}, {"name": "node", "path": "vulns/stack/node", "slug": "node"}, {"name": "database", "path": "vulns/stack/database", "slug": "database"}, {"name": "containers", "path": "vulns/stack/containers", "slug": "containers"}, {"name": "network", "path": "vulns/stack/network", "slug": "network"}, {"name": "applications", "path": "vulns/stack/applications", "slug": "applications"}], "versions": [], "stats": {"recent": 0, "kev": 0}, "lastmod": "2026-02-25T19:31:25.736Z", "early_advisories": [], "license": "Sie dürfen die Auswahl von PatchFirst und unsere Ergänzungen (Prioritäten, Frühwarnungen, Texte, Zusammenfassungen und Aggregate) für eigene Zwecke einschließlich interner geschäftlicher Aufgaben frei nutzen. Weiterverkauf, kommerzielle Verbreitung und massenhafte Spiegelung dieser Auswahl oder Ergänzungen erfordern eine schriftliche Vereinbarung mit dem Betreiber. Nennen Sie bei jeder Nutzung oder Veröffentlichung der Auswahl oder unserer Ergänzungen PatchFirst (https://patchfirst.dev/vulns/) mit diesem Link zur Feedseite Ihrer Region als Quelle. Originaleinträge aus offenen Quellen unterliegen weiterhin ihren jeweiligen Lizenzen und Bedingungen. Diese Bedingungen beschränken Ihre Rechte an den Originaldaten nicht, die Sie direkt bei den Quellen beziehen können.", "terms_url": "https://patchfirst.dev/de/vulns/#feed-terms", "attribution": {"name": "PatchFirst", "url": "https://patchfirst.dev/vulns/"}, "source_changes": "PatchFirst wählt Einträge aus, normalisiert und kombiniert sie; Zusammenfassungen und Übersetzungen können hinzukommen. Nachrichten werden im jeweiligen Eintrag mit einem Link zur Originalquelle belegt.", "sources": [{"id": "cve", "name": "CVE List / CVE.org", "url": "https://www.cve.org/", "license": "CVE Terms of Use", "terms_url": "https://www.cve.org/Legal/TermsOfUse", "notice": "Copyright © 1999–2021, The MITRE Corporation. LICENSE Submissions : For all materials you submit to the Common Vulnerabilities and Exposures (CVE™), you hereby grant to The MITRE Corporation (MITRE) and all CVE Numbering Authorities (CNAs) a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute such materials and derivative works. Unless required by applicable law or agreed to in writing, you provide such materials on an \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied, including, without limitation, any warranties or conditions of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A PARTICULAR PURPOSE. CVE Usage : MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy. DISCLAIMERS ALL DOCUMENTS AND THE INFORMATION CONTAINED THEREIN PROVIDED BY MITRE ARE PROVIDED ON AN \"AS IS\" BASIS AND THE CONTRIBUTOR, THE ORGANIZATION HE/SHE REPRESENTS OR IS SPONSORED BY (IF ANY), THE MITRE CORPORATION, ITS BOARD OF TRUSTEES, OFFICERS, AGENTS, AND EMPLOYEES, DISCLAIM ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTY THAT THE USE OF THE INFORMATION THEREIN WILL NOT INFRINGE ANY RIGHTS OR ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE."}, {"id": "osv", "name": "OSV", "url": "https://osv.dev/", "terms_url": "https://google.github.io/osv.dev/data/", "terms": "Die Lizenzen der Ursprungsdatenbanken unterscheiden sich; siehe Quellenkatalog."}, {"id": "kev", "name": "CISA KEV", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog", "license": "CC0-1.0", "terms_url": "https://github.com/cisagov/kev-data/blob/develop/LICENSE"}, {"id": "epss", "name": "FIRST EPSS", "url": "https://www.first.org/epss/", "terms_url": "https://www.first.org/epss/faq", "terms": "Frei zugängliche Bewertungen; Quellenangabe erbeten (FIRST EPSS, Bewertungen von Empirical Security)."}, {"id": "github-advisory", "name": "GitHub Advisory Database", "url": "https://github.com/advisories", "license": "CC-BY-4.0", "terms_url": "https://github.com/github/advisory-database/blob/main/LICENSE.md"}, {"id": "exploitdb", "name": "Exploit-DB", "url": "https://www.exploit-db.com/", "license": "GPL-2.0", "terms_url": "https://gitlab.com/exploit-database/exploitdb/-/blob/main/LICENSE.md"}, {"id": "metasploit", "name": "Metasploit", "url": "https://github.com/rapid7/metasploit-framework", "license": "BSD-3-Clause", "terms_url": "https://github.com/rapid7/metasploit-framework/blob/master/LICENSE", "notice": "Copyright (c) 2006-2026, Rapid7, Inc.\nLicense: BSD-3-clause\n Redistribution and use in source and binary forms, with or without modification,\n are permitted provided that the following conditions are met:\n .\n * Redistributions of source code must retain the above copyright notice,\n this list of conditions and the following disclaimer.\n .\n * Redistributions in binary form must reproduce the above copyright notice,\n this list of conditions and the following disclaimer in the documentation\n and/or other materials provided with the distribution.\n .\n * Neither the name of Rapid7, Inc. nor the names of its contributors\n may be used to endorse or promote products derived from this software\n without specific prior written permission.\n .\n THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS \"AS IS\" AND\n ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED\n WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE\n DISCLAIMED. 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IN NO EVENT SHALL THE\nAUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\nLIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\nOUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\nSOFTWARE."}, {"id": "linux-kernel", "name": "Linux kernel releases", "url": "https://www.kernel.org/", "license": "CC-BY-SA-4.0", "terms_url": "https://www.kernel.org/legal.html", "notice": "Copyright (C) 1997-2014 by The Linux Kernel Organization, Inc."}]}