SB2019060532 - NULL pointer dereference in libvirt (Alpine package)
Published: June 5, 2019
Security Bulletin ID
SB2019060532
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Adjecent network
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) NULL pointer dereference (CVE-ID: CVE-2019-3840)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dreference error in libvirt in the way it processes interface information through the QEMU agent. An attacker in a guest VM can use this flaw to crash libvirtd and cause a denial of service (DoS).
Remediation
Install update from vendor's website.