SB2020061069 - Information disclosure in xen (Alpine package)
Published: June 10, 2020
Security Bulletin ID
SB2020061069
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Information disclosure (CVE-ID: CVE-2020-0543)
The vulnerability allows a local user to gain access to potentially sensitive information.
The vulnerability exists due to incomplete cleanup from specific special register read operations in some Intel(R) Processors. A local user can gain unauthorized access to sensitive information on the system.
Remediation
Install update from vendor's website.
References
- https://git.alpinelinux.org/aports/commit/?id=3992359a2b257143f6d354a15e0d3b338c5d8e45
- https://git.alpinelinux.org/aports/commit/?id=8ca2c2f3ee3860f3f1f7f2c4297cf775bd912944
- https://git.alpinelinux.org/aports/commit/?id=93f2914ceba3d123c8748f10428ca48351957ccf
- https://git.alpinelinux.org/aports/commit/?id=b180bcb262c13cfed0346d5b2ed0e85aa113e302
- https://git.alpinelinux.org/aports/commit/?id=1a7f4d67e91ea980ce9149eee1ad1cb8dcf5163a