CVE-2020-7460

Severity: high (CVSS 7.0 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-08-06 · updated 2026-06-17
Weakness: CWE-367

Description

In FreeBSD 12.1-STABLE before r363918, 12.1-RELEASE before p8, 11.4-STABLE before r363919, 11.4-RELEASE before p2, and 11.3-RELEASE before p12, the sendmsg system call in the compat32 subsystem on 64-bit platforms has a time-of-check to time-of-use vulnerability allowing a mailcious userspace program to modify control message headers after they were validation.

Affected products

FreeBSD: 11.3, 11.3-p1, 11.3-p10, 11.3-p11, 11.3-p2, 11.3-p3 (+15)

References

https://security.FreeBSD.org/advisories/FreeBSD-SA-20:23.sendmsg.asc
https://security.netapp.com/advisory/ntap-20200821-0005/
https://www.zerodayinitiative.com/advisories/ZDI-20-949/
https://security.FreeBSD.org/advisories/FreeBSD-SA-20:23.sendmsg.asc
https://security.netapp.com/advisory/ntap-20200821-0005/
https://www.zerodayinitiative.com/advisories/ZDI-20-949/

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