{"id":"CVE-2013-6834","url":"https://www.cyber-defence.io/tools/cve/CVE-2013-6834","generatedAt":"2026-10-27T19:56:43.339Z","title":"The ql_eioctl function in sys/dev/qlxgbe/ql_ioctl.c in the kernel in FreeBSD 10 and earlier does not validate a certain size parameter, which allows local users to obtain sensitive information from kernel memory via a crafted ioctl call.","description":"The ql_eioctl function in sys/dev/qlxgbe/ql_ioctl.c in the kernel in FreeBSD 10 and earlier does not validate a certain size parameter, which allows local users to obtain sensitive information from kernel memory via a crafted ioctl call.","published":"2013-11-21T04:40:59.000Z","lastModified":"2026-06-17T00:01:01.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"2.0","score":4.9,"severity":"MEDIUM","vector":"AV:L/AC:L/Au:N/C:C/I:N/A:N"},"cwe":["CWE-20"],"affected":["freebsd/freebsd"],"epss":{"score":0.0044,"percentile":0.37956,"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 (0.44%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"http://archives.neohapsis.com/archives/fulldisclosure/2013-11/0107.html","tags":["Exploit","Patch"],"source":"cve@mitre.org"},{"url":"http://archives.neohapsis.com/archives/fulldisclosure/2013-11/0107.html","tags":["Exploit","Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2013-6834","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."}