Vulnerability Description
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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Novell | Suse Linux Enterprise Server | 11.0 |
| Linux | Linux Kernel | <= 3.17 |
| Canonical | Ubuntu Linux | 12.04 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00015.htmlMailing ListThird Party Advisory
- http://secunia.com/advisories/60174Broken Link
- http://secunia.com/advisories/61142Broken Link
- http://www.openwall.com/lists/oss-security/2014/10/08/21Mailing ListPatchThird Party Advisory
- http://www.securityfocus.com/bid/70319Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1030991Third Party AdvisoryVDB Entry
- http://www.spinics.net/lists/linux-fsdevel/msg79153.htmlExploitMailing ListPatch
- http://www.ubuntu.com/usn/USN-2419-1Third Party Advisory
- http://www.ubuntu.com/usn/USN-2420-1Third Party Advisory
- http://www.ubuntu.com/usn/USN-2513-1Third Party Advisory
- http://www.ubuntu.com/usn/USN-2514-1Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:1842Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:2077Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1151095Issue TrackingPatchThird Party Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/96921Third Party AdvisoryVDB Entry
FAQ
What is CVE-2014-7970?
CVE-2014-7970 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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 ...
How severe is CVE-2014-7970?
CVE-2014-7970 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2014-7970?
Check the references section above for vendor advisories and patch information. Affected products include: Novell Suse Linux Enterprise Server, Linux Linux Kernel, Canonical Ubuntu Linux.