{"id":"CVE-2012-5517","url":"https://www.cyber-defence.io/tools/cve/CVE-2012-5517","generatedAt":"2026-10-27T19:48:59.633Z","title":"The online_pages function in mm/memory_hotplug.c in the Linux kernel before 3.6 allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact in opportunistic circumstances by using…","description":"The online_pages function in mm/memory_hotplug.c in the Linux kernel before 3.6 allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact in opportunistic circumstances by using memory that was hot-added by an administrator.","published":"2012-12-21T11:47:37.000Z","lastModified":"2026-06-16T23:46:56.000Z","status":"Modified","sourceIdentifier":"secalert@redhat.com","cvss":{"version":"2.0","score":4,"severity":"MEDIUM","vector":"AV:L/AC:H/Au:N/C:N/I:N/A:C"},"cwe":[],"affected":["linux/linux kernel"],"epss":{"score":0.00387,"percentile":0.32549,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.39%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=08dff7b7d629807dbb1f398c68dd9cd58dd657a1","source":"secalert@redhat.com"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00005.html","source":"secalert@redhat.com"},{"url":"http://rhn.redhat.com/errata/RHSA-2012-1580.html","source":"secalert@redhat.com"},{"url":"http://www.kernel.org/pub/linux/kernel/v3.x/","source":"secalert@redhat.com"},{"url":"http://www.kernel.org/pub/linux/kernel/v3.x/patch-3.6.bz2","tags":["Patch"],"source":"secalert@redhat.com"},{"url":"http://www.openwall.com/lists/oss-security/2012/11/13/11","source":"secalert@redhat.com"},{"url":"http://www.securityfocus.com/bid/56527","source":"secalert@redhat.com"},{"url":"http://www.ubuntu.com/usn/USN-1671-1","source":"secalert@redhat.com"},{"url":"http://www.ubuntu.com/usn/USN-1673-1","source":"secalert@redhat.com"},{"url":"http://www.ubuntu.com/usn/USN-1677-1","source":"secalert@redhat.com"},{"url":"http://www.ubuntu.com/usn/USN-1678-1","source":"secalert@redhat.com"},{"url":"http://www.ubuntu.com/usn/USN-1679-1","source":"secalert@redhat.com"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=875374","source":"secalert@redhat.com"},{"url":"https://github.com/torvalds/linux/commit/08dff7b7d629807dbb1f398c68dd9cd58dd657a1","source":"secalert@redhat.com"},{"url":"https://www.suse.com/support/update/announcement/2012/suse-su-20121679-1.html","source":"secalert@redhat.com"},{"url":"http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=08dff7b7d629807dbb1f398c68dd9cd58dd657a1","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00005.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://rhn.redhat.com/errata/RHSA-2012-1580.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.kernel.org/pub/linux/kernel/v3.x/","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.kernel.org/pub/linux/kernel/v3.x/patch-3.6.bz2","tags":["Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.openwall.com/lists/oss-security/2012/11/13/11","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/56527","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.ubuntu.com/usn/USN-1671-1","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.ubuntu.com/usn/USN-1673-1","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.ubuntu.com/usn/USN-1677-1","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.ubuntu.com/usn/USN-1678-1","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.ubuntu.com/usn/USN-1679-1","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=875374","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/torvalds/linux/commit/08dff7b7d629807dbb1f398c68dd9cd58dd657a1","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.suse.com/support/update/announcement/2012/suse-su-20121679-1.html","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2012-5517","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}