CVE-2015-2877

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://www.usenix.org/system/files/conference/woot15/woot15-paper-barresi.pdf", "name": "https://www.usenix.org/system/files/conference/woot15/woot15-paper-barresi.pdf", "tags": ["Technical Description", "Third Party Advisory"], "refsource": "MISC"}, {"url": "https://www.kb.cert.org/vuls/id/BLUU-9ZAHZH", "name": "https://www.kb.cert.org/vuls/id/BLUU-9ZAHZH", "tags": ["Third Party Advisory", "US Government Resource"], "refsource": "MISC"}, {"url": "https://www.kb.cert.org/vuls/id/BGAR-A2CNKG", "name": "https://www.kb.cert.org/vuls/id/BGAR-A2CNKG", "tags": ["Third Party Advisory", "US Government Resource"], "refsource": "MISC"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1252096", "name": "https://bugzilla.redhat.com/show_bug.cgi?id=1252096", "tags": ["Issue Tracking", "Third Party Advisory"], "refsource": "MISC"}, {"url": "http://www.securityfocus.com/bid/76256", "name": "76256", "tags": ["Third Party Advisory", "VDB Entry"], "refsource": "BID"}, {"url": "http://www.kb.cert.org/vuls/id/935424", "name": "VU#935424", "tags": ["Third Party Advisory", "US Government Resource"], "refsource": "CERT-VN"}, {"url": "http://www.antoniobarresi.com/files/cain_advisory.txt", "name": "http://www.antoniobarresi.com/files/cain_advisory.txt", "tags": ["Technical Description", "Third Party Advisory"], "refsource": "MISC"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "** DISPUTED ** Kernel Samepage Merging (KSM) in the Linux kernel 2.6.32 through 4.x does not prevent use of a write-timing side channel, which allows guest OS users to defeat the ASLR protection mechanism on other guest OS instances via a Cross-VM ASL INtrospection (CAIN) attack. NOTE: the vendor states \"Basically if you care about this attack vector, disable deduplication.\" Share-until-written approaches for memory conservation among mutually untrusting tenants are inherently detectable for information disclosure, and can be classified as potentially misunderstood behaviors rather than vulnerabilities."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-200"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2015-2877", "ASSIGNER": "cert@cert.org"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 2.1, "accessVector": "LOCAL", "vectorString": "AV:L/AC:L/Au:N/C:P/I:N/A:N", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "NONE", "confidentialityImpact": "PARTIAL"}, "severity": "LOW", "impactScore": 2.9, "obtainAllPrivilege": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 3.3, "attackVector": "LOCAL", "baseSeverity": "LOW", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "LOW"}, "impactScore": 1.4, "exploitabilityScore": 1.8}}, "publishedDate": "2017-03-03T11:59Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndIncluding": "4.20.15", "versionStartIncluding": "2.6.32"}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:redhat:enterprise_linux:4.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:redhat:enterprise_linux:5.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2020-06-04T19:29Z"}