CVE-2017-18261
Medium
Description
The arch_timer_reg_read_stable macro in arch/arm64/include/asm/arch_timer.h in the Linux kernel before 4.13 allows local users to cause a denial of service (infinite recursion) by writing to a file under /sys/kernel/debug in certain circumstances, as demonstrated by a scenario involving debugfs, ftrace, PREEMPT_TRACER, and FUNCTION_GRAPH_TRACER.
SeverityMedium
CVSS5.5
Exploit probability—
Product
Linux Kernel
PublishedApr 19, 2018
First seenApr 19, 2018
How to fix
Update
- linux linux_kernel4.13 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | v < 4.13 | 4.13 |
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