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CVE ID:CVE-2014-7975
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.
Test IDs: None available
Cross References: Common Vulnerability Exposure (CVE) ID: CVE-2014-7975
BugTraq ID: 70314
http://www.securityfocus.com/bid/70314
http://www.openwall.com/lists/oss-security/2014/10/08/22
http://thread.gmane.org/gmane.linux.kernel.stable/109312
RedHat Security Advisories: RHSA-2017:1842
https://access.redhat.com/errata/RHSA-2017:1842
RedHat Security Advisories: RHSA-2017:2077
https://access.redhat.com/errata/RHSA-2017:2077
http://www.securitytracker.com/id/1031180
http://secunia.com/advisories/60174
http://secunia.com/advisories/61145
http://secunia.com/advisories/62633
http://secunia.com/advisories/62634
http://www.ubuntu.com/usn/USN-2415-1
http://www.ubuntu.com/usn/USN-2416-1
http://www.ubuntu.com/usn/USN-2417-1
http://www.ubuntu.com/usn/USN-2418-1
http://www.ubuntu.com/usn/USN-2419-1
http://www.ubuntu.com/usn/USN-2420-1
http://www.ubuntu.com/usn/USN-2421-1
XForce ISS Database: linux-kernel-cve20147975-dos(96994)
https://exchange.xforce.ibmcloud.com/vulnerabilities/96994




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