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)
Core 5
Core References
Mailing List mailing-list
x_refsource_mlist
http://www.openwall.com/lists/oss-security/2015/06/04/5
Issue Tracking x_refsource_confirm
https://bugzilla.redhat.com/show_bug.cgi?id=1249442
Vendor Advisory x_refsource_confirm
https://github.com/torvalds/linux/commit/e0c9c0afd2fc958ffa34b697972721d81df8a56f
Vendor Advisory x_refsource_confirm
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.0.2
Vendor Advisory x_refsource_confirm
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e0c9c0afd2fc958ffa34b697972721d81df8a56f
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
Details
CWE
CWE-200
Status
published
Products (1)
linux/linux_kernel
< 4.0.1
Published
May 02, 2016
Tracked Since
Feb 18, 2026