{"id":"CVE-2017-17863","details":"kernel/bpf/verifier.c in the Linux kernel 4.9.x through 4.9.71 does not check the relationship between pointer values and the BPF stack, which allows local users to cause a denial of service (integer overflow or invalid memory access) or possibly have unspecified other impact.","modified":"2026-03-12T22:36:35.101085Z","published":"2017-12-27T17:08:20.483Z","related":["MGASA-2018-0062","MGASA-2018-0063","MGASA-2018-0064"],"references":[{"type":"WEB","url":"https://usn.ubuntu.com/3523-3/"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/usn/usn-3523-2/"},{"type":"ADVISORY","url":"https://www.debian.org/security/2017/dsa-4073"},{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/102321"},{"type":"ADVISORY","url":"http://www.securitytracker.com/id/1040058"},{"type":"FIX","url":"https://www.spinics.net/lists/stable/msg206985.html"},{"type":"FIX","url":"https://anonscm.debian.org/cgit/kernel/linux.git/tree/debian/patches/bugfix/all/bpf-reject-out-of-bounds-stack-pointer-calculation.patch?h=stretch-security"}],"affected":[{"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2017-17863.json","unresolved_ranges":[{"events":[{"introduced":"4.9.0"},{"last_affected":"4.9.71"}]},{"events":[{"introduced":"0"},{"last_affected":"9.0"}]}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}