SB2016122701 - Permissions, Privileges, and Access Controls in xen (Alpine package)
Published: December 27, 2016
Security Bulletin ID
SB2016122701
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2016-10013)
The vulnerability allows a local authenticated user to execute arbitrary code.
Xen through 4.8.x allows local 64-bit x86 HVM guest OS users to gain privileges by leveraging mishandling of SYSCALL singlestep during emulation.
Remediation
Install update from vendor's website.
References
- https://git.alpinelinux.org/aports/commit/?id=2aae6d20dcc445e55f3afde8a9c1c91f9bb4b7f5
- https://git.alpinelinux.org/aports/commit/?id=da8fdc46be4a3e48a559102b6ff9f2cc78d4a37c
- https://git.alpinelinux.org/aports/commit/?id=28447a61b20ea75536ad2e5ddc7252428ef28fc6
- https://git.alpinelinux.org/aports/commit/?id=19ab9bbd0fd35536a4435e502949ebcefce07b65