CVE-2015-4176

MEDIUM

Linux Kernel < 4.0.1 - Information Disclosure

Title source: rule

Description

fs/namespace.c in the Linux kernel before 4.0.2 does not properly support mount connectivity, which allows local users to read arbitrary files by leveraging user-namespace root access for deletion of a file or directory.

References (5)

[Vendor Advisory] http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e0c9c0afd2fc958ffa34b697972721d81df8a56f

[Vendor Advisory] http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.0.2

[Issue Tracking] https://bugzilla.redhat.com/show_bug.cgi?id=1249442

[Vendor Advisory] https://github.com/torvalds/linux/commit/e0c9c0afd2fc958ffa34b697972721d81df8a56f

View Writeup ZIP pw:eip

[Mailing List] http://www.openwall.com/lists/oss-security/2015/06/04/5

Scores

CVSS v3 5.5

EPSS 0.0005

EPSS Percentile 15.4%

Attack Vector LOCAL

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Classification

CWE

CWE-200

Status draft

Affected Products (1)

linux/linux_kernel < 4.0.1

Timeline

Published May 02, 2016

Tracked Since Feb 18, 2026