K 10
svn:author
V 9
vmaffione
K 8
svn:date
V 27
2022-03-19T17:55:22.802061Z
K 7
svn:log
V 499
netmap: Fix TOCTOU vulnerability in nmreq_copyin

The total size of the user-provided nmreq was first computed and then
trusted during the copyin. This might lead to kernel memory corruption
and escape from jails/containers.

Reported by: Lucas Leong (@_wmliang_) of Trend Micro Zero Day Initiative
Security: CVE-2022-23084
MFC after:	3 days

(cherry picked from commit 393729916564ed13f966e09129a24e6931898d12)

Git Hash:   6fa8af618475024262fc99b0f0e6c2aa0e1340fe
Git Author: vmaffione@FreeBSD.org
END