CVE-2016-9754
High
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.
SeverityHigh
CVSS7.8
Exploit probability—
Product
Linux Kernel
PublishedJan 5, 2017
First seenJan 5, 2017
How to fix
Update
- linux linux_kernel3.10.102, 3.12.61, 3.14.71, 3.16.37, 3.18.35, 4.1.26, 4.4.12, 4.5.6 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 3.5 ≤ v < 3.10.102, 3.11 ≤ v < 3.12.61, 3.13 ≤ v < 3.14.71, 3.15 ≤ v < 3.16.37, 3.17 ≤ v < 3.18.35, 3.19 ≤ v < 4.1.26, 4.2 ≤ v < 4.4.12, 4.5 ≤ v < 4.5.6, 4.6 | 3.10.102, 3.12.61, 3.14.71, 3.16.37, 3.18.35, 4.1.26, 4.4.12, 4.5.6 |
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