{"id":"CVE-2013-0914","url":"https://www.cyber-defence.io/tools/cve/CVE-2013-0914","generatedAt":"2026-10-27T19:57:17.737Z","title":"The flush_signal_handlers function in kernel/signal.c in the Linux kernel before 3.8.4 preserves the value of the sa_restorer field across an exec operation, which makes it easier for local users to bypass the ASLR protection mechanism via a crafted…","description":"The flush_signal_handlers function in kernel/signal.c in the Linux kernel before 3.8.4 preserves the value of the sa_restorer field across an exec operation, which makes it easier for local users to bypass the ASLR protection mechanism via a crafted application containing a sigaction system call.","published":"2013-03-22T11:59:12.000Z","lastModified":"2026-06-16T23:50:21.000Z","status":"Modified","sourceIdentifier":"chrome-cve-admin@google.com","cvss":{"version":"2.0","score":3.6,"severity":"LOW","vector":"AV:L/AC:L/Au:N/C:P/I:P/A:N"},"cwe":["CWE-264"],"affected":["linux/linux kernel"],"epss":{"score":0.00461,"percentile":0.3971,"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 (0.46%). 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=2ca39528c01a933f6689cd6505ce65bd6d68a530","source":"chrome-cve-admin@google.com"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2013-07/msg00018.html","source":"chrome-cve-admin@google.com"},{"url":"http://lists.opensuse.org/opensuse-updates/2013-12/msg00129.html","source":"chrome-cve-admin@google.com"},{"url":"http://rhn.redhat.com/errata/RHSA-2013-1051.html","source":"chrome-cve-admin@google.com"},{"url":"http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.8.4","source":"chrome-cve-admin@google.com"},{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2013:176","source":"chrome-cve-admin@google.com"},{"url":"http://www.openwall.com/lists/oss-security/2013/03/11/8","source":"chrome-cve-admin@google.com"},{"url":"http://www.ubuntu.com/usn/USN-1787-1","source":"chrome-cve-admin@google.com"},{"url":"http://www.ubuntu.com/usn/USN-1788-1","source":"chrome-cve-admin@google.com"},{"url":"http://www.ubuntu.com/usn/USN-1792-1","source":"chrome-cve-admin@google.com"},{"url":"http://www.ubuntu.com/usn/USN-1793-1","source":"chrome-cve-admin@google.com"},{"url":"http://www.ubuntu.com/usn/USN-1794-1","source":"chrome-cve-admin@google.com"},{"url":"http://www.ubuntu.com/usn/USN-1795-1","source":"chrome-cve-admin@google.com"},{"url":"http://www.ubuntu.com/usn/USN-1796-1","source":"chrome-cve-admin@google.com"},{"url":"http://www.ubuntu.com/usn/USN-1797-1","source":"chrome-cve-admin@google.com"},{"url":"http://www.ubuntu.com/usn/USN-1798-1","source":"chrome-cve-admin@google.com"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=920499","source":"chrome-cve-admin@google.com"},{"url":"https://github.com/torvalds/linux/commit/2ca39528c01a933f6689cd6505ce65bd6d68a530","source":"chrome-cve-admin@google.com"},{"url":"http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=2ca39528c01a933f6689cd6505ce65bd6d68a530","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2013-07/msg00018.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-updates/2013-12/msg00129.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://rhn.redhat.com/errata/RHSA-2013-1051.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.8.4","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2013:176","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.openwall.com/lists/oss-security/2013/03/11/8","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.ubuntu.com/usn/USN-1787-1","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.ubuntu.com/usn/USN-1788-1","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.ubuntu.com/usn/USN-1792-1","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.ubuntu.com/usn/USN-1793-1","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.ubuntu.com/usn/USN-1794-1","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.ubuntu.com/usn/USN-1795-1","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.ubuntu.com/usn/USN-1796-1","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.ubuntu.com/usn/USN-1797-1","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.ubuntu.com/usn/USN-1798-1","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=920499","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/torvalds/linux/commit/2ca39528c01a933f6689cd6505ce65bd6d68a530","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2013-0914","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."}