Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 3.5, < 3.10.102 |
Related Weaknesses (CWE)
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=59643dExploitPatchVendor Advisory
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.6.1Release Notes
- http://www.securityfocus.com/bid/95278Third Party AdvisoryVDB Entry
- https://github.com/torvalds/linux/commit/59643d1535eb220668692a5359de22545af579fPatchVendor Advisory
- https://source.android.com/security/bulletin/2017-01-01.htmlThird Party Advisory
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=59643dExploitPatchVendor Advisory
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.6.1Release Notes
- http://www.securityfocus.com/bid/95278Third Party AdvisoryVDB Entry
- https://github.com/torvalds/linux/commit/59643d1535eb220668692a5359de22545af579fPatchVendor Advisory
- https://source.android.com/security/bulletin/2017-01-01.htmlThird Party Advisory
FAQ
What is CVE-2016-9754?
CVE-2016-9754 is a vulnerability with a CVSS score of 7.8 (HIGH). 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 priv...
How severe is CVE-2016-9754?
CVE-2016-9754 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2016-9754?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.