Description
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
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
FreeBSD FreeBSD
Default version status: unknown
13.1-RC1 to < p1affected13.0-RELEASE to < p11affected12.3-RELEASE to < p5affected