{"id":"CVE-2020-24385","aliases":["EUVD-2020-17117","GHSA-p9x8-8fhr-66mg"],"status":"published","title":"In MidnightBSD before 1.2.6 and 1.3 before August 2020, and FreeBSD before 7, a NULL pointer...","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-\u003etd_emuldata in sys/compat/linux/linux_emul.h is not getting initialized and returns NULL from em_find().","severity":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00367,"percentile":0.30849,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-476"],"published":"2020-09-03T14:35:36Z","modified":"2026-10-24T10:30:31Z","products":[{"vendor":"freebsd","product":"freebsd"},{"vendor":"midnightbsd","product":"midnightbsd"}],"references":[{"url":"https://www.midnightbsd.org/notes/","tags":["x_refsource_MISC","x_transferred","Release Notes","Vendor Advisory","advisory"]},{"url":"http://www.midnightbsd.org/security/adv/MIDNIGHTBSD-SA-20:02.txt","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-24385"},{"url":"https://github.com/advisories/GHSA-p9x8-8fhr-66mg"}],"sources":{"cve":[{"id":"CVE-2020-24385","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-\u003etd_emuldata in sys/compat/linux/linux_emul.h is not getting initialized and returns NULL from em_find().","status":"published","published":"2020-09-03T14:35:36Z","modified":"2024-08-04T15:12:08.69Z","updated_at":"2026-11-02T14:35:54.170199Z"}],"euvd":[{"id":"EUVD-2020-17117","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-\u003etd_emuldata in sys/compat/linux/linux_emul.h is not getting initialized and returns NULL from em_find().","status":"published","published":"2020-09-03T14:35:36Z","modified":"2024-08-04T15:12:08Z","updated_at":"2026-11-03T03:07:20.249898Z"}],"ghsa":[{"id":"GHSA-p9x8-8fhr-66mg","title":"In MidnightBSD before 1.2.6 and 1.3 before August 2020, and FreeBSD before 7, a NULL pointer...","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-\u003etd_emuldata in sys/compat/linux/linux_emul.h is not getting initialized and returns NULL from em_find().","status":"published","published":"2022-05-24T17:27:19Z","modified":"2023-01-29T05:03:57Z","updated_at":"2026-11-02T14:45:26.08688Z"}],"nvd":[{"id":"CVE-2020-24385","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-\u003etd_emuldata in sys/compat/linux/linux_emul.h is not getting initialized and returns NULL from em_find().","status":"published","published":"2020-09-03T15:15:11.457Z","modified":"2026-06-17T03:05:28.367Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":4.9,"vector":"AV:L/AC:L/Au:N/C:N/I:N/A:C","level":"medium","assessor":"primary"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:06:13.600965Z"}],"osv":[{"id":"CVE-2020-24385","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-\u003etd_emuldata in sys/compat/linux/linux_emul.h is not getting initialized and returns NULL from em_find().","status":"published","published":"2020-09-03T15:15:11.457Z","modified":"2026-10-24T10:30:31.296982722Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:44:15.879068Z"}]}}