High severity7.8NVD Advisory· Published Jan 5, 2017· Updated Jun 17, 2026

CVE-2016-9754

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Linux/Kernel3 versions
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*range: >=3.5,<3.10.102
- cpe:2.3:o:linux:linux_kernel:4.6:*:*:*:*:*:*:*
- (no CPE)range: <4.6.1

Patches

Vulnerability mechanics

References

github.com/torvalds/linux/commit/59643d1535eb220668692a5359de22545af579f6nvdPatchVendor Advisory
git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/nvdExploitPatchVendor Advisory
www.securityfocus.com/bid/95278nvdThird Party AdvisoryVDB Entry
source.android.com/security/bulletin/2017-01-01.htmlnvdThird Party Advisory
www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.6.1nvdRelease Notes

News mentions

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epss	0.000
exploit	0.000
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