SB2017020201 - Privilege escalation in Linux kernel

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Main Vulnerability Database SB2017020201

SB2017020201 - Privilege escalation in Linux kernel

Published: February 2, 2017

Security Bulletin ID SB2017020201
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Race condition (CVE-ID: CVE-2017-6001)

The vulnerability allows a local user to elevate privileges.

The vulnerability is caused by a race condition in kernel/events/core.c file in the Linux kernel before 4.9.7. A local user can send concurrent perf_event_open system calls for moving a software group into a hardware context and execute arbitrary code on the system with elevated privileges.

Successful exploitation of this vulnerability may allow a local user to obtain root privileges.

Note: this vulnerability is caused by an incomplete fix for CVE-2016-6786.

Remediation

Install update from vendor's website.

References