SB2020040412 - Memory leak in xen (Alpine package)
Published: April 4, 2020
Security Bulletin ID
SB2020040412
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Memory leak (CVE-ID: CVE-2019-17340)
The vulnerability allows a local user to perform DoS attack or escalate privileges on the target system.
The vulnerability exists due memory leak when processing grant table transfer requests. A local user from one domain can gain access to data stored in memory that belong to another domain or consume all available memory resources on the system.
Successful exploitation of the vulnerability may allow an attacker to perform a denial of service attack or, in certain cases, to allow privilege escalation.
Remediation
Install update from vendor's website.