In FreeBSD before 11.2-STABLE(r338986), 11.2-RELEASE-p4, 11.1-RELEASE-p15, 10.4-STABLE(r338985), and 10.4-RELEASE-p13, due to improper maintenance of IPv6 protocol control block flags through various failure paths, an unprivileged authenticated local user may be able to cause a NULL pointer dereference causing the kernel to crash.
[
{
"product": "FreeBSD",
"vendor": "FreeBSD",
"versions": [
{
"status": "affected",
"version": "11.2 before 11.2-RELEASE-p4"
},
{
"status": "affected",
"version": "11.1 before 11.1-RELEASE-p15"
},
{
"status": "affected",
"version": "10.x before 10.4-RELEASE-p13"
}
]
}
]