https://vulnerability.circl.lu Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Tue, 29 Sep 2026 19:55:41 +0000 https://vulnerability.circl.lu/vuln/cve-2021-4147 <p><strong>Affected:</strong> libvirt</p> <p>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.</p> <p><strong>Affected:</strong> libvirt</p> <p>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.</p> https://vulnerability.circl.lu/vuln/cve-2021-4147 https://vulnerability.circl.lu/vuln/usn-5399-1 <p><strong>Affected:</strong> Ubuntu:18.04:LTS: libvirt, Ubuntu:20.04:LTS: libvirt</p> <p>It was discovered that libvirt incorrectly handled certain locking operations. A local attacker could possibly use this issue to cause libvirt to stop accepting connections, resulting in a denial of service. This issue only affected Ubuntu 20.04 LTS. (CVE-2021-3667)</p> <p>It was discovered that libvirt incorrectly handled threads during shutdown. A local attacker could possibly use this issue to cause libvirt to crash, resulting in a denial of service. This issue only affected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2021-3975)</p> <p>It was discovered that libvirt incorrectly handled the libxl driver. An attacker inside a guest could possibly use this issue to cause libvirtd to crash or stop responding, resulting in a denial of service. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, and Ubuntu 21.10. (CVE-2021-4147)</p> <p>It was discovered that libvirt incorrectly handled the nwfilter driver. A local attacker could possibly use this issue to cause libvirt to crash, resulting in a denial of service. (CVE-2022-0897)</p> <p>It was discovered that libvirt incorrectly handled the polkit access control driver. A local attacker could possibly use this issue to cause libvirt to crash, resulting in a denial of service. This issue only affected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2020-25637)</p> <p>It was discovered that libvirt incorrectly generated SELinux labels. In environments using SELinux, this issue could allow the sVirt confinement to be bypassed. This issue only affected Ubunt…</p> <p><strong>Affected:</strong> Ubuntu:18.04:LTS: libvirt, Ubuntu:20.04:LTS: libvirt</p> <p>It was discovered that libvirt incorrectly handled certain locking operations. A local attacker could possibly use this issue to cause libvirt to stop accepting connections, resulting in a denial of service. This issue only affected Ubuntu 20.04 LTS. (CVE-2021-3667)</p> <p>It was discovered that libvirt incorrectly handled threads during shutdown. A local attacker could possibly use this issue to cause libvirt to crash, resulting in a denial of service. This issue only affected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2021-3975)</p> <p>It was discovered that libvirt incorrectly handled the libxl driver. An attacker inside a guest could possibly use this issue to cause libvirtd to crash or stop responding, resulting in a denial of service. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, and Ubuntu 21.10. (CVE-2021-4147)</p> <p>It was discovered that libvirt incorrectly handled the nwfilter driver. A local attacker could possibly use this issue to cause libvirt to crash, resulting in a denial of service. (CVE-2022-0897)</p> <p>It was discovered that libvirt incorrectly handled the polkit access control driver. A local attacker could possibly use this issue to cause libvirt to crash, resulting in a denial of service. This issue only affected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2020-25637)</p> <p>It was discovered that libvirt incorrectly generated SELinux labels. In environments using SELinux, this issue could allow the sVirt confinement to be bypassed. This issue only affected Ubunt…</p> https://vulnerability.circl.lu/vuln/usn-5399-1