PT-2021-22700
CVE-2021-3975
·
تاريخ النشر
2021-03-11
·
تاريخ التحديث
2026-09-30
الوصف من
CVSS 3.1
6.5
متوسطةالمقاييسAV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Name of the Vulnerable Software and Affected Versions:
libvirt (affected versions not specified)
Description:
A use-after-free flaw was found in libvirt, where the
qemuMonitorUnregister() function in qemuProcessHandleMonitorEOF is called using multiple threads without adequate protection by a monitor lock. This issue can be triggered by the virConnectGetAllDomainStats API when the guest is shutting down, allowing an unprivileged client with a read-only connection to perform a denial of service attack by causing the libvirt daemon to crash.Recommendations:
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
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