SB2017082402 - Denial of service in Xen
Published: August 24, 2017
Security Bulletin ID
SB2017082402
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Adjecent network
Highest impact
Partial DoS
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Denial of service (CVE-ID: CVE-2017-15596)
CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls
CVSSv4: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local administrative attacker on the guest system to cause DoS condition on the host system.
The weakness exists in ARM systems due to an error condition in add-to-physmap operations. A local attacker can prevent the use of a physical CPU for an arbitrary period of time.
Successful exploitation of the vulnerability results in denial of service.
Remediation
Install update from vendor's website.