SB2018010540 - Race condition in xen (Alpine package)
Published: January 5, 2018
Security Bulletin ID
SB2018010540
Severity
Low
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) Race condition (CVE-ID: CVE-2017-15597)
The vulnerability allows an adjacent administrative attacker to cause DoS condition on the target system.The weakness exists due to a race condition in certain grant copy operations. A local attacker can trigger a memory corruption error in the hypervisor and cause the application to crash.
Successful exploitation of the vulnerability results in denial of service.
Remediation
Install update from vendor's website.