Vulnerability Details CVE-2022-23085
A user-provided integer option was passed to nmreq_copyin() without checking if it would overflow. This insufficient bounds checking could lead to kernel memory corruption.
On systems configured to include netmap in their devfs_ruleset, a privileged process running in a jail can affect the host environment.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 27.6%
CVSS Severity
CVSS v3 Score 8.2
References
Products affected by CVE-2022-23085
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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:12.3
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cpe:2.3:o:freebsd:freebsd:13.0