In arch/x86/lib/insn-eval.c in the Linux kernel before 5.1.9, there is a use-after-free for access to an LDT entry because of a race condition between modify_ldt() and a #BR exception for an MPX bounds violation.
lists.opensuse.org/opensuse-security-announce/2019-07/msg00025.html
packetstormsecurity.com/files/154408/Kernel-Live-Patch-Security-Notice-LSN-0055-1.html
access.redhat.com/errata/RHSA-2019:3309
access.redhat.com/errata/RHSA-2019:3517
bugs.chromium.org/p/project-zero/issues/detail?id=1879
cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.1.9
git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=de9f869616dd95e95c00bdd6b0fcd3421e8a4323
github.com/torvalds/linux/commit/de9f869616dd95e95c00bdd6b0fcd3421e8a4323
seclists.org/bugtraq/2019/Aug/13
security.netapp.com/advisory/ntap-20190806-0001/
support.f5.com/csp/article/K13331647?utm_source=f5support&%3Butm_medium=RSS
usn.ubuntu.com/4093-1/
usn.ubuntu.com/4094-1/
usn.ubuntu.com/4117-1/
usn.ubuntu.com/4118-1/
www.debian.org/security/2019/dsa-4495