{"id":"CVE-2017-6074","url":"https://www.cyber-defence.io/tools/cve/CVE-2017-6074","generatedAt":"2026-10-29T01:41:34.274Z","title":"The dccp_rcv_state_process function in net/dccp/input.c in the Linux kernel through 4.9.11 mishandles DCCP_PKT_REQUEST packet data structures in the LISTEN state, which allows local users to obtain root privileges or cause a denial of service (double…","description":"The dccp_rcv_state_process function in net/dccp/input.c in the Linux kernel through 4.9.11 mishandles DCCP_PKT_REQUEST packet data structures in the LISTEN state, which allows local users to obtain root privileges or cause a denial of service (double free) via an application that makes an IPV6_RECVPKTINFO setsockopt system call.","published":"2017-02-18T21:59:00.000Z","lastModified":"2026-06-17T01:21:45.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":7.8,"severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-415"],"affected":["linux/linux kernel","debian/debian linux"],"epss":{"score":0.0596,"percentile":0.93249,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":2,"verified":false,"firstPublished":"2017-02-26","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":41458,"kind":"exploit","title":"Linux Kernel 4.4.0 (Ubuntu) - DCCP Double-Free Privilege Escalation","url":"https://www.exploit-db.com/exploits/41458","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/linux/local/41458.c","file":"exploits/linux/local/41458.c","published":"2017-02-26","added":"2017-02-26","updated":"2017-02-26","author":"Andrey Konovalov","type":"local","platform":"linux","port":null,"verified":false,"codes":["CVE-2017-6074"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":"https://github.com/xairy/kernel-exploits/blob/0c3cef1d8aea824d07978fc71bfaa4b1d3bea267/CVE-2017-6074/poc.c"},{"edbId":41457,"kind":"exploit","title":"Linux Kernel 4.4.0 (Ubuntu) - DCCP Double-Free (PoC)","url":"https://www.exploit-db.com/exploits/41457","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/linux/dos/41457.c","file":"exploits/linux/dos/41457.c","published":"2017-02-26","added":"2017-02-26","updated":"2017-03-06","author":"Andrey Konovalov","type":"dos","platform":"linux","port":null,"verified":false,"codes":["CVE-2017-6074"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":"https://github.com/xairy/kernel-exploits/blob/0c3cef1d8aea824d07978fc71bfaa4b1d3bea267/CVE-2017-6074/trigger.c"}]},"verdict":{"level":"urgent","text":"2 public exploits are published in Exploit-DB and the impact is high, while EPSS rates exploitation at 6.0%. Anyone can run this; patch or mitigate before the next change window and check exposed instances for signs of use."},"changes":[],"references":[{"url":"http://rhn.redhat.com/errata/RHSA-2017-0293.html","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"http://rhn.redhat.com/errata/RHSA-2017-0294.html","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"http://rhn.redhat.com/errata/RHSA-2017-0295.html","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"http://rhn.redhat.com/errata/RHSA-2017-0316.html","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"http://rhn.redhat.com/errata/RHSA-2017-0323.html","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"http://rhn.redhat.com/errata/RHSA-2017-0324.html","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"http://rhn.redhat.com/errata/RHSA-2017-0345.html","tags":["Third Party 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