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LIN8-12954 : Security Advisory - libvirt - CVE-2020-25637

Created: Oct 11, 2020    Updated: Nov 29, 2020
Resolved Date: Nov 23, 2020
Found In Version: 8.0.0.1
Fix Version: 8.0.0.34
Severity: Standard
Applicable for: Wind River Linux 8
Component/s: Userspace

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.

CREATE(Triage):(User=admin) [CVE-2020-25637|https://nvd.nist.gov/vuln/detail/CVE-2020-25637]

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