{ "CVE_data_meta": { "ASSIGNER": "cve@mitre.org", "ID": "CVE-2014-7975", "STATE": "PUBLIC" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "n/a", "version": { "version_data": [ { "version_value": "n/a" } ] } } ] }, "vendor_name": "n/a" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "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." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "n/a" } ] } ] }, "references": { "reference_data": [ { "name": "USN-2418-1", "refsource": "UBUNTU", "url": "http://www.ubuntu.com/usn/USN-2418-1" }, { "name": "61145", "refsource": "SECUNIA", "url": "http://secunia.com/advisories/61145" }, { "name": "linux-kernel-cve20147975-dos(96994)", "refsource": "XF", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/96994" }, { "name": "USN-2416-1", "refsource": "UBUNTU", "url": "http://www.ubuntu.com/usn/USN-2416-1" }, { "name": "USN-2417-1", "refsource": "UBUNTU", "url": "http://www.ubuntu.com/usn/USN-2417-1" }, { "name": "USN-2415-1", "refsource": "UBUNTU", "url": "http://www.ubuntu.com/usn/USN-2415-1" }, { "name": "USN-2419-1", "refsource": "UBUNTU", "url": "http://www.ubuntu.com/usn/USN-2419-1" }, { "name": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=0ef3a56b1c466629cd0bf482b09c7b0e5a085bb5", "refsource": "CONFIRM", "url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=0ef3a56b1c466629cd0bf482b09c7b0e5a085bb5" }, { "name": "1031180", "refsource": "SECTRACK", "url": "http://www.securitytracker.com/id/1031180" }, { "name": "60174", "refsource": "SECUNIA", "url": "http://secunia.com/advisories/60174" }, { "name": "USN-2421-1", "refsource": "UBUNTU", "url": "http://www.ubuntu.com/usn/USN-2421-1" }, { "name": "USN-2420-1", "refsource": "UBUNTU", "url": "http://www.ubuntu.com/usn/USN-2420-1" }, { "name": "RHSA-2017:2077", "refsource": "REDHAT", "url": "https://access.redhat.com/errata/RHSA-2017:2077" }, { "name": "RHSA-2017:1842", "refsource": "REDHAT", "url": "https://access.redhat.com/errata/RHSA-2017:1842" }, { "name": "62633", "refsource": "SECUNIA", "url": "http://secunia.com/advisories/62633" }, { "name": "[oss-security] 20141008 CVE-2014-7975: 0-day umount denial of service", "refsource": "MLIST", "url": "http://www.openwall.com/lists/oss-security/2014/10/08/22" }, { "name": "62634", "refsource": "SECUNIA", "url": "http://secunia.com/advisories/62634" }, { "name": "[stable] 20141008 [PATCH] fs: Add a missing permission check to do_umount", "refsource": "MLIST", "url": "http://thread.gmane.org/gmane.linux.kernel.stable/109312" }, { "name": "70314", "refsource": "BID", "url": "http://www.securityfocus.com/bid/70314" }, { "name": "https://bugzilla.redhat.com/show_bug.cgi?id=1151108", "refsource": "CONFIRM", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1151108" } ] } }