{"id":"CVE-2016-2383","details":"The adjust_branches function in kernel/bpf/verifier.c in the Linux kernel before 4.5 does not consider the delta in the backward-jump case, which allows local users to obtain sensitive information from kernel memory by creating a packet filter and then loading crafted BPF instructions.","modified":"2026-03-15T22:21:56.958530Z","published":"2016-04-27T17:59:10.943Z","references":[{"type":"ADVISORY","url":"http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00015.html"},{"type":"ADVISORY","url":"http://www.openwall.com/lists/oss-security/2016/02/14/1"},{"type":"ADVISORY","url":"http://www.ubuntu.com/usn/USN-2947-1"},{"type":"ADVISORY","url":"http://www.ubuntu.com/usn/USN-2947-2"},{"type":"ADVISORY","url":"http://www.ubuntu.com/usn/USN-2947-3"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1308452"},{"type":"FIX","url":"http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=a1b14d27ed0965838350f1377ff97c93ee383492"},{"type":"FIX","url":"https://github.com/torvalds/linux/commit/a1b14d27ed0965838350f1377ff97c93ee383492"}],"affected":[{"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"0"},{"fixed":"4.5.0"}]},{"events":[{"introduced":"0"},{"last_affected":"4.5.0-rc1"}]},{"events":[{"introduced":"0"},{"last_affected":"4.5.0-rc2"}]},{"events":[{"introduced":"0"},{"last_affected":"4.5.0-rc3"}]},{"events":[{"introduced":"0"},{"last_affected":"14.04"}]},{"events":[{"introduced":"0"},{"last_affected":"15.10"}]},{"events":[{"introduced":"0"},{"last_affected":"42.1"}]}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2016-2383.json"}}],"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:N/A:N"}]}