Description
Use-after-free vulnerability in the path_openat function in fs/namei.c in the Linux kernel 3.x and 4.x before 4.0.4 allows local users to cause a denial of service or possibly have unspecified other impact via O_TMPFILE filesystem operations that leverage a duplicate cleanup operation.
References (11)
Core 11
Core References
Patch, Third Party Advisory x_refsource_confirm
https://source.android.com/security/bulletin/2017-01-01.html
Broken Link x_refsource_misc
http://twitter.com/grsecurity/statuses/597127122910490624
Third Party Advisory vendor-advisory
x_refsource_ubuntu
http://www.ubuntu.com/usn/USN-2680-1
Release Notes, Vendor Advisory x_refsource_confirm
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.0.4
Issue Tracking, Patch, Third Party Advisory x_refsource_confirm
https://bugzilla.redhat.com/show_bug.cgi?id=1250047
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/76142
Third Party Advisory vendor-advisory
x_refsource_debian
http://www.debian.org/security/2015/dsa-3329
Patch, Third Party Advisory x_refsource_confirm
https://github.com/torvalds/linux/commit/f15133df088ecadd141ea1907f2c96df67c729f0
Patch, Vendor Advisory x_refsource_confirm
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f15133df088ecadd141ea1907f2c96df67c729f0
Third Party Advisory vendor-advisory
x_refsource_ubuntu
http://www.ubuntu.com/usn/USN-2681-1
Mailing List, Third Party Advisory mailing-list
x_refsource_mlist
http://www.openwall.com/lists/oss-security/2015/08/01/5
Scores
EPSS
0.0006
EPSS Percentile
17.9%
Details
CWE
CWE-416
Status
published
Products (5)
canonical/ubuntu_linux
12.04
canonical/ubuntu_linux
14.04
debian/debian_linux
7.0
debian/debian_linux
8.0
linux/linux_kernel
3.0 - 3.19.8
Published
Aug 31, 2015
Tracked Since
Feb 18, 2026