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CVE-2020-7457

Published: Jul 9, 2020

Modified: Aug 4, 2024

PUBLISHED

Description

In FreeBSD 12.1-STABLE before r359565, 12.1-RELEASE before p7, 11.4-STABLE before r362975, 11.4-RELEASE before p1, and 11.3-RELEASE before p11, missing synchronization in the IPV6_2292PKTOPTIONS socket option set handler contained a race condition allowing a malicious application to modify memory after being freed, possibly resulting in code execution.

Vendor	Product	Versions
n/a	FreeBSD	affected `FreeBSD 12.1-RELEASE before p7, 11.4-RELEASE before p1, 11.3-RELEASE before p11`

References

https://security.FreeBSD.org/advisories/FreeBSD-SA-20:20.ipv6.asc

x_refsource_MISC

https://security.netapp.com/advisory/ntap-20200724-0002/

x_refsource_CONFIRM

http://packetstormsecurity.com/files/158695/FreeBSD-ip6_setpktopt-Use-After-Free-Privilege-Escalation.html

x_refsource_MISC

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