description: The sctp_do_peeloff function in net/sctp/socket.c in the Linux kernel before 4.14 does not check whether the intended netns is used in a peel-off action, which allows local users to cause a denial of service (use-after-free and system crash) or possibly have unspecified other impact via crafted system calls.
problem types: local crash
affected:
{
product: Linux kernel before 4.14-rc6
vendor: n/a
versions:
status: affected, version: Linux kernel before 4.14-rc6
}