A memory leak in the kernel_read_file function in fs/exec.c in the Linux kernel through 4.20.11 allows attackers to cause a denial of service (memory consumption) by triggering vfs_read failures.
lists.opensuse.org/opensuse-security-announce/2019-04/msg00052.html
www.securityfocus.com/bid/107120
lists.debian.org/debian-lts-announce/2019/05/msg00002.html
support.f5.com/csp/article/K56480726
usn.ubuntu.com/3930-1/
usn.ubuntu.com/3930-2/
usn.ubuntu.com/3931-1/
usn.ubuntu.com/3931-2/
www.mail-archive.com/linux-kernel%40vger.kernel.org/msg1935698.html
www.mail-archive.com/linux-kernel%40vger.kernel.org/msg1935705.html