CVE-2017-5967

Description

The time subsystem in the Linux kernel through 4.9.9, when CONFIG_TIMER_STATS is enabled, allows local users to discover real PID values (as distinguished from PID values inside a PID namespace) by reading the /proc/timer_list file, related to the print_timer function in kernel/time/timer_list.c and the __timer_stats_timer_set_start_info function in kernel/time/timer.c.

Category

4.0
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.05%
Third-Party Advisory kernel.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://git.kernel.org/cgit/linux/kernel/git/tip/tip.git/commit/?id=dfb4357da6ddbdf57d583ba64361c9d792b0e0b1 issue tracking third party advisory patch
http://www.securityfocus.com/bid/96271 vdb entry
https://bugzilla.kernel.org/show_bug.cgi?id=193921 issue tracking

Frequently Asked Questions

What is the severity of CVE-2017-5967?
CVE-2017-5967 has been scored as a medium severity vulnerability.
How to fix CVE-2017-5967?
To fix CVE-2017-5967, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-5967 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2017-5967 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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