SB2016122816 - Permissions, privileges, and access controls in Linux kernel events

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Main Vulnerability Database SB2016122816

SB2016122816 - Permissions, privileges, and access controls in Linux kernel events

Published: December 28, 2016

Security Bulletin ID SB2016122816
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) Permissions, privileges, and access controls (CVE-ID: CVE-2016-6787)

The vulnerability allows a local user to execute arbitrary code.

The vulnerability exists due to permissions, privileges, and access controls error within the put_ctx(), __perf_event_disable(), raw_spin_unlock_irq(), perf_event_enable(), perf_event_refresh(), perf_remove_from_owner(), perf_event_read_group(), perf_read(), perf_poll(), perf_event_for_each_child(), perf_event_for_each(), perf_event_set_output(), perf_ioctl(), perf_compat_ioctl(), perf_event_task_enable(), mutex_lock_double(), syscall_define5() and perf_pmu_migrate_context() functions in kernel/events/core.c. A local user can execute arbitrary code.


Remediation

Install update from vendor's website.

References