{"id":"CVE-2020-24385","url":"https://www.cyber-defence.io/tools/cve/CVE-2020-24385","generatedAt":"2026-10-27T20:21:41.980Z","title":"In MidnightBSD before 1.2.6 and 1.3 before August 2020, and FreeBSD before 7, a NULL pointer dereference was found in the Linux emulation layer that allows attackers to crash the running kernel.","description":"In MidnightBSD before 1.2.6 and 1.3 before August 2020, and FreeBSD before 7, a NULL pointer dereference was found in the Linux emulation layer that allows attackers to crash the running kernel. During binary interaction, td->td_emuldata in sys/compat/linux/linux_emul.h is not getting initialized and returns NULL from em_find().","published":"2020-09-03T15:15:11.000Z","lastModified":"2026-06-17T03:05:28.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":5.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},"cwe":["CWE-476"],"affected":["midnightbsd/midnightbsd","freebsd/freebsd"],"epss":{"score":0.00367,"percentile":0.3033,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.37%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"http://www.midnightbsd.org/security/adv/MIDNIGHTBSD-SA-20:02.txt","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://www.midnightbsd.org/notes/","tags":["Release Notes","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"http://www.midnightbsd.org/security/adv/MIDNIGHTBSD-SA-20:02.txt","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.midnightbsd.org/notes/","tags":["Release Notes","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-24385","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."}