High severity7.8NVD Advisory· Published Jan 5, 2017· Updated May 6, 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.

Affected products

Linux/Kernel2 versions
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*range: >=3.5,<3.10.102
- cpe:2.3:o:linux:linux_kernel:4.6:*:*:*:*:*:*:*

Patches

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

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

No linked articles in our index yet.

cvss	0.507
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000