MNBSD-2020-4: NULL pointer dereference in the Linux compatibility subsystem

Description

A NULL pointer dereference vulnerability in the Linux compatibility subsystem. On systems where the Linux binary compatibility layer is enabled and the protection against mapping low memory addresses has been disabled, a local user could trigger the flaw. Originally published as MIDNIGHTBSD-SA-20:02.

Affected Versions

kernel

Recommendations

No specific recommendations provided.

References

• https://www.cve.org/CVERecord?id=CVE-2020-24385
• https://www.midnightbsd.org/security/adv/MIDNIGHTBSD-SA-20:02.txt

Additional Information

Aliases: CVE-2020-24385

Published: September 02, 2020
Last Modified: September 02, 2020