Use-after-free in QEMU - CVE-2014-3471

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Main Vulnerability Database Vulnerabilities #VU37670

Use-after-free in QEMU - CVE-2014-3471

Published: January 12, 2018 / Updated: August 8, 2020


Vulnerability identifier: #VU37670
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2014-3471
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: QEMU
Affected software:
QEMU

Detailed vulnerability description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error when processing hotplug and hotunplug operations of Virtio block devices. A local guest OS users can cause a denial of service (QEMU instance crash).

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.


How to mitigate CVE-2014-3471

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Sources