7.2

CVE-2020-25637

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Redhat ≫ Libvirt Version < 6.8.0
Opensuse ≫ Leap Version15.1
Opensuse ≫ Leap Version15.2
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.12% 0.31
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 6.7 0.8 5.9
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
nvd@nist.gov 7.2 3.9 10
AV:L/AC:L/Au:N/C:C/I:C/A:C
CWE-415 Double Free

The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations.

https://bugzilla.redhat.com/show_bug.cgi?id=1881037
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