CVE-2015-7550

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.3.4", "name": "http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.3.4", "tags": ["Vendor Advisory"], "refsource": "CONFIRM"}, {"url": "https://github.com/torvalds/linux/commit/b4a1b4f5047e4f54e194681125c74c0aa64d637d", "name": "https://github.com/torvalds/linux/commit/b4a1b4f5047e4f54e194681125c74c0aa64d637d", "tags": [], "refsource": "CONFIRM"}, {"url": "https://security-tracker.debian.org/tracker/CVE-2015-7550", "name": "https://security-tracker.debian.org/tracker/CVE-2015-7550", "tags": [], "refsource": "CONFIRM"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1291197", "name": "https://bugzilla.redhat.com/show_bug.cgi?id=1291197", "tags": [], "refsource": "CONFIRM"}, {"url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b4a1b4f5047e4f54e194681125c74c0aa64d637d", "name": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b4a1b4f5047e4f54e194681125c74c0aa64d637d", "tags": ["Vendor Advisory"], "refsource": "CONFIRM"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html", "name": "SUSE-SU-2016:2074", "tags": [], "refsource": "SUSE"}, {"url": "http://www.securityfocus.com/bid/79903", "name": "79903", "tags": [], "refsource": "BID"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00094.html", "name": "SUSE-SU-2016:0911", "tags": [], "refsource": "SUSE"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00045.html", "name": "SUSE-SU-2016:1102", "tags": [], "refsource": "SUSE"}, {"url": "http://www.ubuntu.com/usn/USN-2911-1", "name": "USN-2911-1", "tags": [], "refsource": "UBUNTU"}, {"url": "http://www.ubuntu.com/usn/USN-2890-1", "name": "USN-2890-1", "tags": [], "refsource": "UBUNTU"}, {"url": "http://www.ubuntu.com/usn/USN-2890-3", "name": "USN-2890-3", "tags": [], "refsource": "UBUNTU"}, {"url": "http://www.ubuntu.com/usn/USN-2890-2", "name": "USN-2890-2", "tags": [], "refsource": "UBUNTU"}, {"url": "http://www.ubuntu.com/usn/USN-2888-1", "name": "USN-2888-1", "tags": [], "refsource": "UBUNTU"}, {"url": "http://www.ubuntu.com/usn/USN-2911-2", "name": "USN-2911-2", "tags": [], "refsource": "UBUNTU"}, {"url": "http://www.debian.org/security/2016/dsa-3434", "name": "DSA-3434", "tags": [], "refsource": "DEBIAN"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "The keyctl_read_key function in security/keys/keyctl.c in the Linux kernel before 4.3.4 does not properly use a semaphore, which allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact via a crafted application that leverages a race condition between keyctl_revoke and keyctl_read calls."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-362"}, {"lang": "en", "value": "NVD-CWE-Other"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2015-7550", "ASSIGNER": "secalert@redhat.com"}}, "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", "impactScore": 6.9, "obtainAllPrivilege": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false}, "baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.0/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": "2016-02-08T03:59Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndIncluding": "4.3.3"}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2017-11-04T01:29Z"}