CVE-2014-7975

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "http://www.openwall.com/lists/oss-security/2014/10/08/22", "name": "[oss-security] 20141008 CVE-2014-7975: 0-day umount denial of service", "tags": ["Mailing List", "Third Party Advisory"], "refsource": "MLIST"}, {"url": "http://thread.gmane.org/gmane.linux.kernel.stable/109312", "name": "[stable] 20141008 [PATCH] fs: Add a missing permission check to do_umount", "tags": ["Broken Link"], "refsource": "MLIST"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1151108", "name": "https://bugzilla.redhat.com/show_bug.cgi?id=1151108", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "refsource": "CONFIRM"}, {"url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=0ef3a56b1c466629cd0bf482b09c7b0e5a085bb5", "name": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=0ef3a56b1c466629cd0bf482b09c7b0e5a085bb5", "tags": ["Mailing List", "Patch", "Vendor Advisory"], "refsource": "CONFIRM"}, {"url": "http://www.securityfocus.com/bid/70314", "name": "70314", "tags": ["Third Party Advisory", "VDB Entry"], "refsource": "BID"}, {"url": "http://secunia.com/advisories/61145", "name": "61145", "tags": ["Broken Link"], "refsource": "SECUNIA"}, {"url": "http://www.ubuntu.com/usn/USN-2415-1", "name": "USN-2415-1", "tags": ["Third Party Advisory"], "refsource": "UBUNTU"}, {"url": "http://www.ubuntu.com/usn/USN-2421-1", "name": "USN-2421-1", "tags": ["Third Party Advisory"], "refsource": "UBUNTU"}, {"url": "http://www.ubuntu.com/usn/USN-2419-1", "name": "USN-2419-1", "tags": ["Third Party Advisory"], "refsource": "UBUNTU"}, {"url": "http://www.ubuntu.com/usn/USN-2420-1", "name": "USN-2420-1", "tags": ["Third Party Advisory"], "refsource": "UBUNTU"}, {"url": "http://www.ubuntu.com/usn/USN-2416-1", "name": "USN-2416-1", "tags": ["Third Party Advisory"], "refsource": "UBUNTU"}, {"url": "http://www.ubuntu.com/usn/USN-2418-1", "name": "USN-2418-1", "tags": ["Third Party Advisory"], "refsource": "UBUNTU"}, {"url": "http://www.ubuntu.com/usn/USN-2417-1", "name": "USN-2417-1", "tags": ["Third Party Advisory"], "refsource": "UBUNTU"}, {"url": "http://secunia.com/advisories/62634", "name": "62634", "tags": ["Broken Link"], "refsource": "SECUNIA"}, {"url": "http://secunia.com/advisories/62633", "name": "62633", "tags": ["Broken Link"], "refsource": "SECUNIA"}, {"url": "http://secunia.com/advisories/60174", "name": "60174", "tags": ["Broken Link"], "refsource": "SECUNIA"}, {"url": "http://www.securitytracker.com/id/1031180", "name": "1031180", "tags": ["Third Party Advisory", "VDB Entry"], "refsource": "SECTRACK"}, {"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/96994", "name": "linux-kernel-cve20147975-dos(96994)", "tags": ["Third Party Advisory", "VDB Entry"], "refsource": "XF"}, {"url": "https://access.redhat.com/errata/RHSA-2017:2077", "name": "RHSA-2017:2077", "tags": ["Third Party Advisory"], "refsource": "REDHAT"}, {"url": "https://access.redhat.com/errata/RHSA-2017:1842", "name": "RHSA-2017:1842", "tags": ["Third Party Advisory"], "refsource": "REDHAT"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "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": "en", "value": "NVD-CWE-noinfo"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2014-7975", "ASSIGNER": "cve@mitre.org"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 4.9, "accessVector": "LOCAL", "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "NONE"}, "severity": "MEDIUM", "acInsufInfo": false, "impactScore": 6.9, "obtainAllPrivilege": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}}, "publishedDate": "2014-10-13T10:55Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndIncluding": "3.17"}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:10.04:*:*:*:-:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:14.10:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2020-08-14T18:15Z"}