{"id":"CVE-2017-5123","url":"https://www.cyber-defence.io/tools/cve/CVE-2017-5123","generatedAt":"2026-10-28T21:20:01.962Z","title":"Insufficient data validation in waitid allowed an user to escape sandboxes on Linux.","description":"Insufficient data validation in waitid allowed an user to escape sandboxes on Linux.","published":"2021-11-02T22:15:08.000Z","lastModified":"2026-06-17T01:20:00.000Z","status":"Modified","sourceIdentifier":"chrome-cve-admin@google.com","cvss":{"version":"3.1","score":8.8,"severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H"},"cwe":["CWE-20"],"affected":["linux/linux kernel","netapp/cloud backup","netapp/h300s firmware","netapp/h500s firmware","netapp/h700s firmware","netapp/h300e firmware","netapp/h500e firmware","netapp/h700e firmware","netapp/h410s firmware"],"epss":{"score":0.03745,"percentile":0.89807,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":2,"verified":false,"firstPublished":"2017-10-22","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":43127,"kind":"exploit","title":"Linux Kernel 4.13 (Ubuntu 17.10) - 'waitid()' SMEP/SMAP/Chrome Sandbox Privilege Escalation","url":"https://www.exploit-db.com/exploits/43127","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/linux/local/43127.c","file":"exploits/linux/local/43127.c","published":"2017-11-06","added":"2017-11-07","updated":"2017-11-08","author":"Chris Salls","type":"local","platform":"linux","port":null,"verified":false,"codes":["CVE-2017-5123"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":"https://salls.github.io/Linux-Kernel-CVE-2017-5123/"},{"edbId":43029,"kind":"exploit","title":"Linux Kernel 4.14.0-rc4+ - 'waitid()' Local Privilege Escalation","url":"https://www.exploit-db.com/exploits/43029","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/linux/local/43029.c","file":"exploits/linux/local/43029.c","published":"2017-10-22","added":"2017-10-23","updated":"2017-11-07","author":"@XeR_0x2A & @chaign_c","type":"local","platform":"linux","port":null,"verified":false,"codes":["CVE-2017-5123"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":"https://github.com/nongiach/CVE/blob/5c2b0a15c89f2687e2a0c3fca7d2acc0d37273db/CVE-2017-5123/exploit/exploit_null_ptr_deref.c"}]},"verdict":{"level":"urgent","text":"2 public exploits are published in Exploit-DB and the impact is high, while EPSS rates exploitation at 3.7%. Anyone can run this; patch or mitigate before the next change window and check exposed instances for signs of use."},"changes":[],"references":[{"url":"https://crbug.com/772848","tags":["Vendor Advisory"],"source":"chrome-cve-admin@google.com"},{"url":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=96ca579a1ecc943b75beba58bebb0356f6cc4b51","tags":["Patch","Vendor Advisory"],"source":"chrome-cve-admin@google.com"},{"url":"https://security.netapp.com/advisory/ntap-20211223-0003/","tags":["Third Party Advisory"],"source":"chrome-cve-admin@google.com"},{"url":"https://crbug.com/772848","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=96ca579a1ecc943b75beba58bebb0356f6cc4b51","tags":["Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.netapp.com/advisory/ntap-20211223-0003/","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2017-5123","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."}