{"id":"CVE-2017-17863","url":"https://www.cyber-defence.io/tools/cve/CVE-2017-17863","generatedAt":"2026-10-28T21:23:50.680Z","title":"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…","description":"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.","published":"2017-12-27T17:08:20.000Z","lastModified":"2026-06-17T01:11:48.000Z","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-190"],"affected":["linux/linux kernel","debian/debian linux"],"epss":{"score":0.00409,"percentile":0.34965,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.41%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"http://www.securityfocus.com/bid/102321","tags":["Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"http://www.securitytracker.com/id/1040058","tags":["Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"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","tags":["Patch"],"source":"cve@mitre.org"},{"url":"https://usn.ubuntu.com/3523-3/","source":"cve@mitre.org"},{"url":"https://usn.ubuntu.com/usn/usn-3523-2/","source":"cve@mitre.org"},{"url":"https://www.debian.org/security/2017/dsa-4073","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://www.spinics.net/lists/stable/msg206985.html","tags":["Issue Tracking","Patch"],"source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/bid/102321","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securitytracker.com/id/1040058","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"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","tags":["Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://usn.ubuntu.com/3523-3/","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://usn.ubuntu.com/usn/usn-3523-2/","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.debian.org/security/2017/dsa-4073","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.spinics.net/lists/stable/msg206985.html","tags":["Issue Tracking","Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2017-17863","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."}