{"id":"CVE-2016-9793","details":"The sock_setsockopt function in net/core/sock.c in the Linux kernel before 4.8.14 mishandles negative values of sk_sndbuf and sk_rcvbuf, which allows local users to cause a denial of service (memory corruption and system crash) or possibly have unspecified other impact by leveraging the CAP_NET_ADMIN capability for a crafted setsockopt system call with the (1) SO_SNDBUFFORCE or (2) SO_RCVBUFFORCE option.","modified":"2026-04-16T06:15:30.182218853Z","published":"2016-12-28T07:59:00.557Z","related":["SUSE-SU-2017:0181-1","SUSE-SU-2017:0333-1","SUSE-SU-2017:0407-1","SUSE-SU-2017:0437-1","SUSE-SU-2017:0464-1","SUSE-SU-2017:0471-1","SUSE-SU-2017:0494-1","SUSE-SU-2017:1102-1"],"references":[{"type":"ADVISORY","url":"https://source.android.com/security/bulletin/2017-03-01.html"},{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/94655"},{"type":"ADVISORY","url":"http://www.securitytracker.com/id/1037968"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2017:0931"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2017:0933"},{"type":"ADVISORY","url":"https://github.com/xairy/kernel-exploits/tree/master/CVE-2016-9793"},{"type":"ADVISORY","url":"http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.8.14"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2017:0932"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1402013"},{"type":"FIX","url":"http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b98b0bc8c431e3ceb4b26b0dfc8db509518fb290"},{"type":"FIX","url":"http://www.openwall.com/lists/oss-security/2016/12/03/1"},{"type":"FIX","url":"https://github.com/torvalds/linux/commit/b98b0bc8c431e3ceb4b26b0dfc8db509518fb290"}],"affected":[{"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2016-9793.json","unresolved_ranges":[{"events":[{"introduced":"3.5"},{"fixed":"3.12.69"}]},{"events":[{"introduced":"3.13"},{"fixed":"3.16.40"}]},{"events":[{"introduced":"3.17"},{"fixed":"3.18.52"}]},{"events":[{"introduced":"3.19"},{"fixed":"4.1.50"}]},{"events":[{"introduced":"4.2"},{"fixed":"4.4.38"}]},{"events":[{"introduced":"4.5"},{"fixed":"4.8.14"}]}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}