description: In FreeBSD before 11.2-STABLE(r340268) and 11.2-RELEASE-p5, due to incorrectly accounting for padding on 64-bit platforms, a buffer underwrite could occur when constructing an ICMP reply packet when using a non-standard value for the net.inet.icmp.quotelen sysctl.
problem types: Kernel buffer underwrite
affected:
{
product: FreeBSD
vendor: FreeBSD
versions:
status: affected, version: FreeBSD 11.2 before 11.2-RELEASE-p5
}