An issue was discovered in the Linux kernel before 5.6.7. xdp_umem_reg in net/xdp/xdp_umem.c has an out-of-bounds write (by a user with the CAP_NET_ADMIN capability) because of a lack of headroom validation.
lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.html
bugzilla.kernel.org/show_bug.cgi?id=207225
cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.6.7
git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=99e3a236dd43d06c65af0a2ef9cb44306aef6e02
github.com/torvalds/linux/commit/99e3a236dd43d06c65af0a2ef9cb44306aef6e02
security.netapp.com/advisory/ntap-20200608-0001/
usn.ubuntu.com/4387-1/
usn.ubuntu.com/4388-1/
usn.ubuntu.com/4389-1/