{"id":"CVE-2011-2496","url":"https://www.cyber-defence.io/tools/cve/CVE-2011-2496","generatedAt":"2026-10-27T17:57:57.681Z","title":"Integer overflow in the vma_to_resize function in mm/mremap.c in the Linux kernel before 2.6.39 allows local users to cause a denial of service (BUG_ON and system crash) via a crafted mremap system call that expands a memory mapping.","description":"Integer overflow in the vma_to_resize function in mm/mremap.c in the Linux kernel before 2.6.39 allows local users to cause a denial of service (BUG_ON and system crash) via a crafted mremap system call that expands a memory mapping.","published":"2012-06-13T10:24:56.000Z","lastModified":"2026-06-16T23:31:27.000Z","status":"Modified","sourceIdentifier":"secalert@redhat.com","cvss":{"version":"2.0","score":4.9,"severity":"MEDIUM","vector":"AV:L/AC:L/Au:N/C:N/I:N/A:C"},"cwe":["CWE-189"],"affected":["linux/linux kernel"],"epss":{"score":0.00487,"percentile":0.41631,"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 (0.49%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39","source":"secalert@redhat.com"},{"url":"http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=982134ba62618c2d69fbbbd166d0a11ee3b7e3d8","source":"secalert@redhat.com"},{"url":"http://www.openwall.com/lists/oss-security/2011/06/27/2","source":"secalert@redhat.com"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=716538","source":"secalert@redhat.com"},{"url":"https://github.com/torvalds/linux/commit/982134ba62618c2d69fbbbd166d0a11ee3b7e3d8","tags":["Exploit","Patch"],"source":"secalert@redhat.com"},{"url":"http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=982134ba62618c2d69fbbbd166d0a11ee3b7e3d8","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.openwall.com/lists/oss-security/2011/06/27/2","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=716538","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/torvalds/linux/commit/982134ba62618c2d69fbbbd166d0a11ee3b7e3d8","tags":["Exploit","Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2011-2496","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."}