In the Linux kernel before 5.1, there is a memory leak in __feat_register_sp() in net/dccp/feat.c, which may cause denial of service, aka CID-1d3ff0950e2b.
lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html
packetstormsecurity.com/files/156455/Kernel-Live-Patch-Security-Notice-LSN-0063-1.html
cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.1
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=1d3ff0950e2b40dc861b1739029649d03f591820
lists.debian.org/debian-lts-announce/2020/03/msg00001.html
usn.ubuntu.com/4285-1/
usn.ubuntu.com/4286-1/
usn.ubuntu.com/4286-2/
usn.ubuntu.com/4287-1/
usn.ubuntu.com/4287-2/