CVE intelligence

CVE-2017-5967

Vulnerability intelligence

Published Feb 14, 2017Sources checked Oct 21, 2026

4.0MEDIUMCVSS out of 10

What this means

Review the available evidence

CVE-2017-5967 and is rated Medium severity with a CVSS score of 4.0. It is not in the current CISA KEV record we collected. That does not prove exploitation has not occurred.

What to do next

Remediation and response

Ubuntu Security Notices guidance

Vendor revision: Oct 13, 2026

This update corrects flaws in the following subsystems: - IPv6 networking; - Netfilter; (CVE-2026-53131)

CISA KEVNot listedBased on the latest collected catalog

EPSS0.3%Estimated 30-day exploitation probability

Ransomware useNot markedCISA KEV ransomware field

Threat actors0Source-linked actor relationships

Overview

What is CVE-2017-5967?

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.

Source: NVD