{"id":"CVE-2017-2634","details":"It was found that the Linux kernel's Datagram Congestion Control Protocol (DCCP) implementation before 2.6.22.17 used the IPv4-only inet_sk_rebuild_header() function for both IPv4 and IPv6 DCCP connections, which could result in memory corruptions. A remote attacker could use this flaw to crash the system.","modified":"2026-03-15T14:27:12.836307Z","published":"2018-07-27T19:29:00.580Z","references":[{"type":"ADVISORY","url":"http://rhn.redhat.com/errata/RHSA-2017-0347.html"},{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/96529"},{"type":"ADVISORY","url":"http://www.securitytracker.com/id/1037909"},{"type":"ADVISORY","url":"http://rhn.redhat.com/errata/RHSA-2017-0323.html"},{"type":"ADVISORY","url":"http://rhn.redhat.com/errata/RHSA-2017-0346.html"},{"type":"FIX","url":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2634"},{"type":"FIX","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=f53dc67c5e7babafe239b93a11678b0e05bead51"}],"affected":[{"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-2634.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"fixed":"2.6.22.17"}]},{"events":[{"introduced":"0"},{"last_affected":"5.0"}]},{"events":[{"introduced":"0"},{"last_affected":"5.0"}]},{"events":[{"introduced":"0"},{"last_affected":"5.6"}]},{"events":[{"introduced":"0"},{"last_affected":"5.9"}]},{"events":[{"introduced":"0"},{"last_affected":"5.0"}]}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}