CVE-2017-18261
kernel: Infinite recursion in arch/arm64/include/asm/arch_timer.h:arch_timer_reg_read_stable macro allows local users to cause denial of service
Severity
ModerateRed Hat Product Security
CVSS 3.0
Review impact separately from score.
Published · August 10, 2017
Updated · June 28, 2026
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.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.0 · 5.5CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-674 · Uncontrolled Recursion