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Fixed

LIN5-22368 : Security Advisory - linux - CVE-2016-9754

Created: Jan 12, 2017    Updated: May 29, 2018
Resolved Date: Jan 17, 2017
Found In Version: 5.0.1.38
Fix Version: 5.0.1.39
Severity: Standard
Applicable for: Wind River Linux 5
Component/s: Kernel

Description

The ring_buffer_resize function in kernel/trace/ring_buffer.c in the profiling subsystem in the Linux kernel before 4.6.1 mishandles certain integer calculations, which allows local users to gain privileges by writing to the /sys/kernel/debug/tracing/buffer_size_kb file.

http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2016-9754

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