{"id":"CVE-2013-7270","url":"https://www.cyber-defence.io/tools/cve/CVE-2013-7270","generatedAt":"2026-10-27T21:41:35.237Z","title":"The packet_recvmsg function in net/packet/af_packet.c in the Linux kernel before 3.12.4 updates a certain length value before ensuring that an associated data structure has been initialized, which allows local users to obtain sensitive information from…","description":"The packet_recvmsg function in net/packet/af_packet.c in the Linux kernel before 3.12.4 updates a certain length value before ensuring that an associated data structure has been initialized, which allows local users to obtain sensitive information from kernel memory via a (1) recvfrom, (2) recvmmsg, or (3) recvmsg system call.","published":"2014-01-06T16:55:09.000Z","lastModified":"2026-06-17T00:01:38.000Z","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":["linux/linux kernel"],"epss":{"score":0.0048,"percentile":0.41127,"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 (0.48%). 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=f3d3342602f8bcbf37d7c46641cb9bca7618eb1c","source":"cve@mitre.org"},{"url":"http://secunia.com/advisories/55882","source":"cve@mitre.org"},{"url":"http://secunia.com/advisories/56036","source":"cve@mitre.org"},{"url":"http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.12.4","source":"cve@mitre.org"},{"url":"http://www.openwall.com/lists/oss-security/2013/12/31/7","source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/bid/64744","source":"cve@mitre.org"},{"url":"http://www.ubuntu.com/usn/USN-2109-1","source":"cve@mitre.org"},{"url":"http://www.ubuntu.com/usn/USN-2110-1","source":"cve@mitre.org"},{"url":"http://www.ubuntu.com/usn/USN-2113-1","source":"cve@mitre.org"},{"url":"http://www.ubuntu.com/usn/USN-2117-1","source":"cve@mitre.org"},{"url":"http://www.ubuntu.com/usn/USN-2128-1","source":"cve@mitre.org"},{"url":"http://www.ubuntu.com/usn/USN-2129-1","source":"cve@mitre.org"},{"url":"http://www.ubuntu.com/usn/USN-2135-1","source":"cve@mitre.org"},{"url":"http://www.ubuntu.com/usn/USN-2136-1","source":"cve@mitre.org"},{"url":"http://www.ubuntu.com/usn/USN-2138-1","source":"cve@mitre.org"},{"url":"http://www.ubuntu.com/usn/USN-2139-1","source":"cve@mitre.org"},{"url":"http://www.ubuntu.com/usn/USN-2141-1","source":"cve@mitre.org"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1039845","source":"cve@mitre.org"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/90131","source":"cve@mitre.org"},{"url":"https://github.com/torvalds/linux/commit/f3d3342602f8bcbf37d7c46641cb9bca7618eb1c","source":"cve@mitre.org"},{"url":"http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=f3d3342602f8bcbf37d7c46641cb9bca7618eb1c","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/55882","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/56036","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.12.4","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.openwall.com/lists/oss-security/2013/12/31/7","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/64744","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.ubuntu.com/usn/USN-2109-1","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.ubuntu.com/usn/USN-2110-1","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.ubuntu.com/usn/USN-2113-1","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.ubuntu.com/usn/USN-2117-1","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.ubuntu.com/usn/USN-2128-1","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.ubuntu.com/usn/USN-2129-1","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.ubuntu.com/usn/USN-2135-1","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.ubuntu.com/usn/USN-2136-1","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.ubuntu.com/usn/USN-2138-1","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.ubuntu.com/usn/USN-2139-1","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.ubuntu.com/usn/USN-2141-1","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1039845","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/90131","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/torvalds/linux/commit/f3d3342602f8bcbf37d7c46641cb9bca7618eb1c","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2013-7270","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."}