FKIE_CVE-2020-24385
Vulnerability from fkie_nvd - Published: 2020-09-03 15:15 - Updated: 2024-11-21 05:14
Severity ?
Summary
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().
References
| URL | Tags | ||
|---|---|---|---|
| cve@mitre.org | http://www.midnightbsd.org/security/adv/MIDNIGHTBSD-SA-20:02.txt | Vendor Advisory | |
| cve@mitre.org | https://www.midnightbsd.org/notes/ | Release Notes, Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | http://www.midnightbsd.org/security/adv/MIDNIGHTBSD-SA-20:02.txt | Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://www.midnightbsd.org/notes/ | Release Notes, Vendor Advisory |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| midnightbsd | midnightbsd | * | |
| midnightbsd | midnightbsd | * | |
| freebsd | freebsd | * |
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"value": "En MidnightBSD versiones anteriores a 1.2.6 y versiones 1.3 anteriores a Agosto de 2020, y FreeBSD versiones anteriores a 7, se encontr\u00f3 una desreferencia del puntero NULL en la capa de emulaci\u00f3n de Linux que permite a atacantes bloquear el kernel en ejecuci\u00f3n.\u0026#xa0;Durante la interacci\u00f3n binaria, td-)td_emuldata en el archivo sys/compat/linux/linux_emul.h no se inicializa y devuelve NULL desde la funci\u00f3n em_find()"
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"lastModified": "2024-11-21T05:14:42.980",
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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