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CVE-2016-9754

Published: Jan 5, 2017

Modified: Aug 6, 2024

PUBLISHED

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.

Vendor	Product	Versions
n/a	n/a	affected `n/a`

References

https://source.android.com/security/bulletin/2017-01-01.html

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http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.6.1

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vdb-entry

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https://github.com/torvalds/linux/commit/59643d1535eb220668692a5359de22545af579f6

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http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=59643d1535eb220668692a5359de22545af579f6

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