{"id":"CVE-2017-15649","url":"https://www.cyber-defence.io/tools/cve/CVE-2017-15649","generatedAt":"2026-10-28T21:20:55.367Z","title":"net/packet/af_packet.c in the Linux kernel before 4.13.6 allows local users to gain privileges via crafted system calls that trigger mishandling of packet_fanout data structures, because of a race condition (involving fanout_add and packet_do_bind) that…","description":"net/packet/af_packet.c in the Linux kernel before 4.13.6 allows local users to gain privileges via crafted system calls that trigger mishandling of packet_fanout data structures, because of a race condition (involving fanout_add and packet_do_bind) that leads to a use-after-free, a different vulnerability than CVE-2017-6346.","published":"2017-10-19T22:29:00.000Z","lastModified":"2026-06-17T01:08:03.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.0","score":7.8,"severity":"HIGH","vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-362"],"affected":["linux/linux kernel"],"epss":{"score":0.00962,"percentile":0.61462,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":1,"verified":false,"firstPublished":"2017-10-17","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":44053,"kind":"exploit","title":"Linux Kernel - 'AF_PACKET' Use-After-Free (2)","url":"https://www.exploit-db.com/exploits/44053","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/linux/dos/44053.md","file":"exploits/linux/dos/44053.md","published":"2017-10-17","added":"2018-02-15","updated":"2018-12-12","author":"SecuriTeam","type":"dos","platform":"linux","port":null,"verified":false,"codes":["CVE-2017-15649"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":"https://blogs.securiteam.com/index.php/archives/3484"}]},"verdict":{"level":"urgent","text":"A public exploit is published in Exploit-DB and the impact is high, while EPSS rates exploitation at 1.0%. Anyone can run this; patch or mitigate before the next change window and check exposed instances for signs of use."},"changes":[],"references":[{"url":"http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=008ba2a13f2d04c947adc536d19debb8fe66f110","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=4971613c1639d8e5f102c4e797c3bf8f83a5a69e","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"http://patchwork.ozlabs.org/patch/813945/","tags":["Issue Tracking","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"http://patchwork.ozlabs.org/patch/818726/","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.6","tags":["Exploit","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/bid/101573","tags":["Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"https://access.redhat.com/errata/RHSA-2018:0151","source":"cve@mitre.org"},{"url":"https://access.redhat.com/errata/RHSA-2018:0152","source":"cve@mitre.org"},{"url":"https://access.redhat.com/errata/RHSA-2018:0181","source":"cve@mitre.org"},{"url":"https://blogs.securiteam.com/index.php/archives/3484","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://github.com/torvalds/linux/commit/008ba2a13f2d04c947adc536d19debb8fe66f110","tags":["Patch","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://github.com/torvalds/linux/commit/4971613c1639d8e5f102c4e797c3bf8f83a5a69e","tags":["Patch","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://lists.debian.org/debian-lts-announce/2017/12/msg00004.html","source":"cve@mitre.org"},{"url":"https://usn.ubuntu.com/3754-1/","source":"cve@mitre.org"},{"url":"http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=008ba2a13f2d04c947adc536d19debb8fe66f110","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=4971613c1639d8e5f102c4e797c3bf8f83a5a69e","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://patchwork.ozlabs.org/patch/813945/","tags":["Issue Tracking","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://patchwork.ozlabs.org/patch/818726/","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.6","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/101573","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://access.redhat.com/errata/RHSA-2018:0151","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://access.redhat.com/errata/RHSA-2018:0152","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://access.redhat.com/errata/RHSA-2018:0181","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://blogs.securiteam.com/index.php/archives/3484","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/torvalds/linux/commit/008ba2a13f2d04c947adc536d19debb8fe66f110","tags":["Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/torvalds/linux/commit/4971613c1639d8e5f102c4e797c3bf8f83a5a69e","tags":["Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2017/12/msg00004.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://usn.ubuntu.com/3754-1/","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2017-15649","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."}