Medium severity5.5NVD Advisory· Published Apr 19, 2018· Updated Jun 17, 2026
CVE-2017-18261
CVE-2017-18261
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.
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Affected products
2- Range: <4.13
Patches
Vulnerability mechanics
References
2- git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/nvdPatchVendor Advisory
- github.com/torvalds/linux/commit/adb4f11e0a8f4e29900adb2b7af28b6bbd5c1fa4nvdPatchVendor Advisory
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