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.
| Product | Vendor | Version |
|---|---|---|
| Linux kernel before 4.14-rc6 | n/a | 12.2(18)IXB1 |