Information Exposure Affecting perf-debuginfo package, versions <0:4.9.27-14.31.amzn1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Start learning- Snyk IDSNYK-AMZN201803-PERFDEBUGINFO-1705456
- published27 Sept 2021
- disclosed14 Feb 2017
Introduced: 14 Feb 2017
CVE-2017-5967 (opens in a new tab)How to fix?
Upgrade Amazon-Linux:2018.03 perf-debuginfo to version 0:4.9.27-14.31.amzn1 or higher.
This issue was patched in ALAS-2017-828.
NVD Description
Note: Versions mentioned in the description apply only to the upstream perf-debuginfo package and not the perf-debuginfo package as distributed by Amazon-Linux.
See How to fix? for Amazon-Linux:2018.03 relevant fixed versions and status.
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.