CVE-2014-7970
Moderate
CVE-2014-7970
The pivot_root implementation in fs/namespace.c in the Linux kernel through 3.17 does not properly interact with certain locations of a chroot directory, which allows local users to cause a denial of service (mount-tree loop) via . (dot) values in both arguments to the pivot_root system call.
Exploit probability
0.7%
Published
October 13, 2014
Required by
Not available
Last source change
April 16, 2026
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
Open Source Vulnerabilities
CVE-2014-7970
View original source
The pivot_root implementation in fs/namespace.c in the Linux kernel through 3.17 does not properly interact with certain locations of a chroot directory, which allows local users to cause a denial of service (mount-tree loop) via . (dot) values in both arguments to the pivot_root system call.
05 / REFERENCES
Further evidence
- http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00015.html
- http://secunia.com/advisories/60174
- http://secunia.com/advisories/61142
- http://www.openwall.com/lists/oss-security/2014/10/08/21
- http://www.securityfocus.com/bid/70319
- http://www.securitytracker.com/id/1030991
- http://www.spinics.net/lists/linux-fsdevel/msg79153.html
- http://www.ubuntu.com/usn/USN-2419-1
- http://www.ubuntu.com/usn/USN-2420-1
- http://www.ubuntu.com/usn/USN-2513-1
- http://www.ubuntu.com/usn/USN-2514-1
- https://access.redhat.com/errata/RHSA-2017:1842
- https://access.redhat.com/errata/RHSA-2017:2077
- https://bugzilla.redhat.com/show_bug.cgi?id=1151095
- https://exchange.xforce.ibmcloud.com/vulnerabilities/96921
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=0d0826019e529f21c84687521d03f60cd241ca7d