Resource exhaustion in Linux Kernel
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.
Vulnerability class: DoS (Denial of Service)
EPSS: 0.007 (48.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Linux Linux_kernel
- Novell Suse_linux_enterprise_server — versions 11.0
- Canonical Ubuntu_linux — versions 12.04, 14.04
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (vendor-advisory, Mailing List, Third Party Advisory, x_refsource_SUSE)
- cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- cve@mitre.org (x_refsource_CONFIRM, Patch, Mailing List, Vendor Advisory)
- cve@mitre.org (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
- cve@mitre.org (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
- cve@mitre.org (x_refsource_CONFIRM, Patch, Third Party Advisory, Issue Tracking)
- cve@mitre.org (x_refsource_SECUNIA, Broken Link, third-party-advisory)
- cve@mitre.org (mailing-list, x_refsource_MLIST, Patch, Mailing List, Third Party Advisory)
- cve@mitre.org (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
- cve@mitre.org (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2014-7970?
- CVE-2014-7970 is a medium-severity vulnerability in Linux Kernel, classified under Uncontrolled Resource Consumption. CVSS score: 5.5/10. Published 2014-10-13.
- How severe is CVE-2014-7970?
- Medium severity. CVSS v3 base score is 5.5 out of 10.