SB2018010533 - Memory leak in xen (Alpine package)
Published: January 5, 2018
Security Bulletin ID
SB2018010533
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Adjecent network
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Memory leak (CVE-ID: CVE-2017-15589)
CWE-ID: CWE-401 - Missing release of memory after effective lifetime
CVSSv4: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows an adjacent attacker to obtain potentially sensitive information on the target system.
The weakness exists due to hypervisor stack leak in x86 I/O intercept code. An adjacent attacker can write data from uninitialized hypervisor stack memory and read arbitrary information.
Remediation
Install update from vendor's website.