CVE-2021-29627

In FreeBSD 13.0-STABLE before n245050, 12.2-STABLE before r369525, 13.0-RC4 before p0, and 12.2-RELEASE before p6, listening socket accept filters implementing the accf_create callback incorrectly freed a process supplied argument string. Additional operations on the socket can lead to a double free or use after free.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.8 HIGH
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
freebsdCNA
---
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CVEADP
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---
Base Score
CVSS 3.x
EPSS Score
Percentile: 76%
VendorProductVersion
freebsdfreebsd
12.0 ≤
𝑥
< 12.2
freebsdfreebsd
12.2
freebsdfreebsd
12.2:p1
freebsdfreebsd
12.2:p2
freebsdfreebsd
13.0:beta1
freebsdfreebsd
13.0:beta2
freebsdfreebsd
13.0:beta3
freebsdfreebsd
13.0:beta4
freebsdfreebsd
13.0:rc1
freebsdfreebsd
13.0:rc2
freebsdfreebsd
13.0:rc3
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://security.FreeBSD.org/advisories/FreeBSD-SA-21:09.accept_filter.asc
https://security.netapp.com/advisory/ntap-20210423-0007/
https://security.FreeBSD.org/advisories/FreeBSD-SA-21:09.accept_filter.asc
https://security.netapp.com/advisory/ntap-20210423-0007/