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CVE-2016-1583

HighPublished

The ecryptfs_privileged_open function in fs/ecryptfs/kthread.c in the Linux kernel before 4.6.3 allows local users to gain privileges or cause a denial of...

Published: Jun 27, 2016
Updated: Aug 5, 2024
Assigning CNA: canonical
Evidence observed: Jun 21, 2016

Primary CVSS

7.8/ 10High

nvd · CVSS 3.1

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS probability estimate

1.4%

Low · next 30 days

Percentile: 70.7%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

The ecryptfs_privileged_open function in fs/ecryptfs/kthread.c in the Linux kernel before 4.6.3 allows local users to gain privileges or cause a denial of service (stack memory consumption) via vectors involving crafted mmap calls for /proc pathnames, leading to recursive pagefault handling.

Sources

Linux Kernel - 'ecryptfs' '/proc/$pid/environ' Local Privilege EscalationExploit
Google Security Research · linux · Jun 21, 2016

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