SB2018011218 - Use-after-free in QEMU
Published: January 12, 2018 Updated: August 8, 2020
Security Bulletin ID
SB2018011218
Severity
Medium
Patch available
NO
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Use-after-free (CVE-ID: CVE-2014-3471)
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.
Remediation
Cybersecurity Help is not aware of any official remediation provided by the vendor.