{ "containers": { "cna": { "affected": [ { "product": "n/a", "vendor": "n/a", "versions": [ { "status": "affected", "version": "n/a" } ] } ], "datePublic": "2015-07-30T00:00:00.000Z", "descriptions": [ { "lang": "en", "value": "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" } ], "problemTypes": [ { "descriptions": [ { "description": "n/a", "lang": "en", "type": "text" } ] } ], "providerMetadata": { "dateUpdated": "2017-03-03T10:57:02.000Z", "orgId": "37e5125f-f79b-445b-8fad-9564f167944b", "shortName": "certcc" }, "references": [ { "name": "76256", "tags": [ "vdb-entry", "x_refsource_BID" ], "url": "http://www.securityfocus.com/bid/76256" }, { "name": "VU#935424", "tags": [ "third-party-advisory", "x_refsource_CERT-VN" ], "url": "http://www.kb.cert.org/vuls/id/935424" }, { "tags": [ "x_refsource_MISC" ], "url": "http://www.antoniobarresi.com/files/cain_advisory.txt" }, { "tags": [ "x_refsource_MISC" ], "url": "https://www.kb.cert.org/vuls/id/BGAR-A2CNKG" }, { "tags": [ "x_refsource_MISC" ], "url": "https://www.kb.cert.org/vuls/id/BLUU-9ZAHZH" }, { "tags": [ "x_refsource_MISC" ], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1252096" }, { "tags": [ "x_refsource_MISC" ], "url": "https://www.usenix.org/system/files/conference/woot15/woot15-paper-barresi.pdf" } ], "tags": [ "disputed" ], "x_legacyV4Record": { "CVE_data_meta": { "ASSIGNER": "cert@cert.org", "ID": "CVE-2015-2877", "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": "** 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": "eng", "value": "n/a" } ] } ] }, "references": { "reference_data": [ { "name": "76256", "refsource": "BID", "url": "http://www.securityfocus.com/bid/76256" }, { "name": "VU#935424", "refsource": "CERT-VN", "url": "http://www.kb.cert.org/vuls/id/935424" }, { "name": "http://www.antoniobarresi.com/files/cain_advisory.txt", "refsource": "MISC", "url": "http://www.antoniobarresi.com/files/cain_advisory.txt" }, { "name": "https://www.kb.cert.org/vuls/id/BGAR-A2CNKG", "refsource": "MISC", "url": "https://www.kb.cert.org/vuls/id/BGAR-A2CNKG" }, { "name": "https://www.kb.cert.org/vuls/id/BLUU-9ZAHZH", "refsource": "MISC", "url": "https://www.kb.cert.org/vuls/id/BLUU-9ZAHZH" }, { "name": "https://bugzilla.redhat.com/show_bug.cgi?id=1252096", "refsource": "MISC", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1252096" }, { "name": "https://www.usenix.org/system/files/conference/woot15/woot15-paper-barresi.pdf", "refsource": "MISC", "url": "https://www.usenix.org/system/files/conference/woot15/woot15-paper-barresi.pdf" } ] } } }, "adp": [ { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-06T05:32:20.252Z" }, "title": "CVE Program Container", "references": [ { "name": "76256", "tags": [ "vdb-entry", "x_refsource_BID", "x_transferred" ], "url": "http://www.securityfocus.com/bid/76256" }, { "name": "VU#935424", "tags": [ "third-party-advisory", "x_refsource_CERT-VN", "x_transferred" ], "url": "http://www.kb.cert.org/vuls/id/935424" }, { "tags": [ "x_refsource_MISC", "x_transferred" ], "url": "http://www.antoniobarresi.com/files/cain_advisory.txt" }, { "tags": [ "x_refsource_MISC", "x_transferred" ], "url": "https://www.kb.cert.org/vuls/id/BGAR-A2CNKG" }, { "tags": [ "x_refsource_MISC", "x_transferred" ], "url": "https://www.kb.cert.org/vuls/id/BLUU-9ZAHZH" }, { "tags": [ "x_refsource_MISC", "x_transferred" ], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1252096" }, { "tags": [ "x_refsource_MISC", "x_transferred" ], "url": "https://www.usenix.org/system/files/conference/woot15/woot15-paper-barresi.pdf" } ] } ] }, "cveMetadata": { "assignerOrgId": "37e5125f-f79b-445b-8fad-9564f167944b", "assignerShortName": "certcc", "cveId": "CVE-2015-2877", "datePublished": "2017-03-03T11:00:00.000Z", "dateReserved": "2015-04-03T00:00:00.000Z", "dateUpdated": "2024-08-06T05:32:20.252Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1" }