VULNERABILITY INTELLIGENCE

CVE-2016-9754

CVSS score7.8 HIGH
EPSS probability0.53%
CISA KEVNot currently listed
Published2017-01-05
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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.

Weakness classification

  • CWE-190: Integer Overflow or Wraparound

Primary references