Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2017-18344

The timer_create syscall implementation in kernel/time/posix-timers.c in the Linux kernel before 4.14.8 doesn't properly validate the sigevent->sigev_notify field, which leads to out-of-bounds access in the show_timer function (called when /proc/$PID/timers is read). This allows userspace applications to read arbitrary kernel memory (on a kernel built with CONFIG_POSIX_TIMERS and CONFIG_CHECKPOINT_RESTORE).
Exploit prediction scoring system (EPSS) score
EPSS Score 0.088
EPSS Ranking 92.0%
CVSS Severity
CVSS v3 Score 5.5
CVSS v2 Score 2.1
References
Products affected by CVE-2017-18344


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