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CVE-2014-7975 Detail

Description

The do_umount function in fs/namespace.c in the Linux kernel through 3.17 does not require the CAP_SYS_ADMIN capability for do_remount_sb calls that change the root filesystem to read-only, which allows local users to cause a denial of service (loss of writability) by making certain unshare system calls, clearing the / MNT_LOCKED flag, and making an MNT_FORCE umount system call.


Metrics

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CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=0ef3a56b1c466629cd0bf482b09c7b0e5a085bb5 Mailing List  Patch  Vendor Advisory 
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=0ef3a56b1c466629cd0bf482b09c7b0e5a085bb5 Mailing List  Patch  Vendor Advisory 
http://secunia.com/advisories/60174 Broken Link 
http://secunia.com/advisories/60174 Broken Link 
http://secunia.com/advisories/61145 Broken Link 
http://secunia.com/advisories/61145 Broken Link 
http://secunia.com/advisories/62633 Broken Link 
http://secunia.com/advisories/62633 Broken Link 
http://secunia.com/advisories/62634 Broken Link 
http://secunia.com/advisories/62634 Broken Link 
http://thread.gmane.org/gmane.linux.kernel.stable/109312 Broken Link 
http://thread.gmane.org/gmane.linux.kernel.stable/109312 Broken Link 
http://www.openwall.com/lists/oss-security/2014/10/08/22 Mailing List  Third Party Advisory 
http://www.openwall.com/lists/oss-security/2014/10/08/22 Mailing List  Third Party Advisory 
http://www.securityfocus.com/bid/70314 Third Party Advisory  VDB Entry 
http://www.securityfocus.com/bid/70314 Third Party Advisory  VDB Entry 
http://www.securitytracker.com/id/1031180 Third Party Advisory  VDB Entry 
http://www.securitytracker.com/id/1031180 Third Party Advisory  VDB Entry 
http://www.ubuntu.com/usn/USN-2415-1 Third Party Advisory 
http://www.ubuntu.com/usn/USN-2415-1 Third Party Advisory 
http://www.ubuntu.com/usn/USN-2416-1 Third Party Advisory 
http://www.ubuntu.com/usn/USN-2416-1 Third Party Advisory 
http://www.ubuntu.com/usn/USN-2417-1 Third Party Advisory 
http://www.ubuntu.com/usn/USN-2417-1 Third Party Advisory 
http://www.ubuntu.com/usn/USN-2418-1 Third Party Advisory 
http://www.ubuntu.com/usn/USN-2418-1 Third Party Advisory 
http://www.ubuntu.com/usn/USN-2419-1 Third Party Advisory 
http://www.ubuntu.com/usn/USN-2419-1 Third Party Advisory 
http://www.ubuntu.com/usn/USN-2420-1 Third Party Advisory 
http://www.ubuntu.com/usn/USN-2420-1 Third Party Advisory 
http://www.ubuntu.com/usn/USN-2421-1 Third Party Advisory 
http://www.ubuntu.com/usn/USN-2421-1 Third Party Advisory 
https://access.redhat.com/errata/RHSA-2017:1842 Third Party Advisory 
https://access.redhat.com/errata/RHSA-2017:1842 Third Party Advisory 
https://access.redhat.com/errata/RHSA-2017:2077 Third Party Advisory 
https://access.redhat.com/errata/RHSA-2017:2077 Third Party Advisory 
https://bugzilla.redhat.com/show_bug.cgi?id=1151108 Issue Tracking  Patch  Third Party Advisory 
https://bugzilla.redhat.com/show_bug.cgi?id=1151108 Issue Tracking  Patch  Third Party Advisory 
https://exchange.xforce.ibmcloud.com/vulnerabilities/96994 Third Party Advisory  VDB Entry 
https://exchange.xforce.ibmcloud.com/vulnerabilities/96994 Third Party Advisory  VDB Entry 

Weakness Enumeration

CWE-ID CWE Name Source
NVD-CWE-noinfo Insufficient Information cwe source acceptance level NIST  

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Change History

10 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2014-7975
NVD Published Date:
10/13/2014
NVD Last Modified:
11/20/2024
Source:
MITRE