SB2020092334 - Resource management error in xen (Alpine package)
Published: September 23, 2020
Security Bulletin ID
SB2020092334
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Partial DoS
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Resource management error (CVE-ID: CVE-2020-25596)
CWE-ID: CWE-399 - Resource Management Errors
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper management of internal resources within guest VM when processing state sanitization activities. A local user or application on the guest operating system can abuse SYSENTER to cause a crash of the guest VM.
Remediation
Install update from vendor's website.