MNBSD-2020-12: ICMPv6 read of freed kernel memory

Description

A remote host could trigger a read of freed kernel memory by sending malformed ICMPv6 error messages. This may trigger a kernel panic if the address had been unmapped.

Affected Versions

kernel

Recommendations

No specific recommendations provided.

References

• https://www.freebsd.org/security/advisories/FreeBSD-SA-20:31.icmp6.asc
• https://www.cve.org/CVERecord?id=CVE-2020-7469

Additional Information

Aliases: CVE-2020-7469

Published: December 01, 2020
Last Modified: December 01, 2020