CVE-2016-9754
Last modified
CVE-2016-9754 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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.. EPSS estimates a 0.53% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 3.5, < 3.10.102 |
| Linux | Linux Kernel | >= 3.11, < 3.12.61 |
| Linux | Linux Kernel | >= 3.13, < 3.14.71 |
| Linux | Linux Kernel | >= 3.15, < 3.16.37 |
| Linux | Linux Kernel | >= 3.17, < 3.18.35 |
| Linux | Linux Kernel | >= 3.19, < 4.1.26 |
| Linux | Linux Kernel | >= 4.2, < 4.4.12 |
| Linux | Linux Kernel | >= 4.5, < 4.5.6 |
| Linux | Linux Kernel | 4.6 |
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=59643d1535eb220668692a5359de22545af579f6Exploit, Patch, Vendor Advisory
- http://www.securityfocus.com/bid/95278Third Party Advisory, VDB Entry
- https://github.com/torvalds/linux/commit/59643d1535eb220668692a5359de22545af579f6Patch, Vendor 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=59643d1535eb220668692a5359de22545af579f6Exploit, Patch, Vendor Advisory
- http://www.securityfocus.com/bid/95278Third Party Advisory, VDB Entry
- https://github.com/torvalds/linux/commit/59643d1535eb220668692a5359de22545af579f6Patch, Vendor Advisory
- https://source.android.com/security/bulletin/2017-01-01.htmlThird Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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