high8.2
CVE-2022-23085
A user-provided integer option was passed to nmreq_copyin() without checking if it would overflow.
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Freebsd | Freebsd | from 12.0 before 12.3 Versions 12.3, 13.0 |