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redhat/libvirtUse After Free

Risk 40
Severity
6.5
Use After Free
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

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.

1 / 3
Source: Launchpad
First published (updated )
CVE-2021-3975

Canonical snapdsnapd created ~/snap with too-wide permissions

Risk 33
Severity
5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Last updated 25 August 2025

1 / 2
Source: Ubuntu
First published (updated )
CVE-2021-3155

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