{"document":{"aggregate_severity":{"namespace":"https://www.suse.com/support/security/rating/","text":"low"},"category":"csaf_vex","csaf_version":"2.0","distribution":{"text":"Copyright 2024 SUSE LLC. All rights reserved.","tlp":{"label":"WHITE","url":"https://www.first.org/tlp/"}},"lang":"en","notes":[{"category":"summary","text":"SUSE CVE-2015-2877","title":"Title"},{"category":"description","text":"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","title":"Description of the CVE"},{"category":"legal_disclaimer","text":"CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).","title":"Terms of use"}],"publisher":{"category":"vendor","contact_details":"https://www.suse.com/support/security/contact/","name":"SUSE Product Security Team","namespace":"https://www.suse.com/"},"references":[{"category":"external","summary":"CVE-2015-2877","url":"https://www.suse.com/security/cve/CVE-2015-2877"},{"category":"external","summary":"SUSE Security Ratings","url":"https://www.suse.com/support/security/rating/"},{"category":"external","summary":"SUSE Bug 941252 for CVE-2015-2877","url":"https://bugzilla.suse.com/941252"}],"title":"SUSE CVE CVE-2015-2877","tracking":{"current_release_date":"2025-07-08T00:26:05Z","generator":{"date":"2023-02-15T05:20:11Z","engine":{"name":"cve-database.git:bin/generate-csaf-vex.pl","version":"1"}},"id":"CVE-2015-2877","initial_release_date":"2023-02-15T05:20:11Z","revision_history":[{"date":"2023-02-15T05:20:11Z","number":"2","summary":"Current version"},{"date":"2025-07-08T00:26:05Z","number":"3","summary":"Current version"}],"status":"interim","version":"3"}}}