Vulnerability Details 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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.02
EPSS Ranking 82.6%
CVSS Severity
CVSS v3 Score 7.8
CVSS v2 Score 7.2
Products affected by CVE-2021-29627
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cpe:2.3:o:freebsd:freebsd:12.0
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cpe:2.3:o:freebsd:freebsd:12.1
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cpe:2.3:o:freebsd:freebsd:12.2
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cpe:2.3:o:freebsd:freebsd:13.0