{"id":"CVE-2017-7533","url":"https://www.cyber-defence.io/tools/cve/CVE-2017-7533","generatedAt":"2026-10-28T19:03:37.200Z","title":"Race condition in the fsnotify implementation in the Linux kernel through 4.12.4 allows local users to gain privileges or cause a denial of service (memory corruption) via a crafted application that leverages simultaneous execution of the…","description":"Race condition in the fsnotify implementation in the Linux kernel through 4.12.4 allows local users to gain privileges or cause a denial of service (memory corruption) via a crafted application that leverages simultaneous execution of the inotify_handle_event and vfs_rename functions.","published":"2017-08-05T16:29:00.000Z","lastModified":"2026-06-17T01:24:33.000Z","status":"Modified","sourceIdentifier":"secalert@redhat.com","cvss":{"version":"3.1","score":7,"severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-362"],"affected":["linux/linux kernel"],"epss":{"score":0.01223,"percentile":0.68583,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":1,"verified":false,"firstPublished":"2017-10-16","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":44302,"kind":"exploit","title":"Linux Kernel < 3.16.39 (Debian 8 x64) - 'inotfiy' Local Privilege Escalation","url":"https://www.exploit-db.com/exploits/44302","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/linux_x86-64/local/44302.c","file":"exploits/linux_x86-64/local/44302.c","published":"2017-10-16","added":"2018-03-19","updated":"2018-03-19","author":"Jeremy Huang","type":"local","platform":"linux_x86-64","port":null,"verified":false,"codes":["CVE-2017-7533"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":"https://github.com/hardenedlinux/offensive_poc/blob/4a71e00b07be66606a7cc7c9b1f2213e89188ab7/CVE-2017-7533/exploit.c"}]},"verdict":{"level":"urgent","text":"A public exploit is published in Exploit-DB and the impact is high, while EPSS rates exploitation at 1.2%. Anyone can run this; patch or mitigate before the next change window and check exposed instances for signs of use."},"changes":[],"references":[{"url":"http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=49d31c2f389acfe83417083e1208422b4091cd9e","tags":["Issue Tracking","Patch","Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"http://openwall.com/lists/oss-security/2017/08/03/2","tags":["Mailing List","Patch","Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"http://www.debian.org/security/2017/dsa-3927","tags":["Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"http://www.debian.org/security/2017/dsa-3945","tags":["Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"http://www.openwall.com/lists/oss-security/2019/06/27/7","tags":["Mailing List","Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"http://www.openwall.com/lists/oss-security/2019/06/28/1","tags":["Mailing List","Third Party 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Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.mail-archive.com/linux-kernel%40vger.kernel.org/msg1408967.html","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2017-7533","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."}