VulnerabilityModified
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 .
MEDIUM 5.5EPSS 0.67%
Does this matter?
Lower severity and a low EPSS score (0.67%). Track it; it rarely justifies an emergency change on its own.
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 3.1
- 5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.67% probability · 50th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-400
- Affected
- novell/suse linux enterprise server · linux/linux kernel · canonical/ubuntu linux
- Source
- cve@mitre.org
References
- http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00015.htmlMailing List, Third 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 List, Patch, Third Party Advisory
- http://www.securityfocus.com/bid/70319Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1030991Third Party Advisory, VDB Entry
- http://www.spinics.net/lists/linux-fsdevel/msg79153.htmlExploit, Mailing List, Patch, Third Party Advisory
- 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 Tracking, Patch, Third Party Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/96921Third Party Advisory, VDB Entry
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=0d0826019e529f21c84687521d03f60cd241ca7dMailing List, Patch, Vendor Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00015.htmlMailing List, Third 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 List, Patch, Third Party Advisory
- http://www.securityfocus.com/bid/70319Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1030991Third Party Advisory, VDB Entry
- http://www.spinics.net/lists/linux-fsdevel/msg79153.htmlExploit, Mailing List, Patch, Third Party Advisory
- 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 Tracking, Patch, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.