The ipv4_pktinfo_prepare function in net/ipv4/ip_sockglue.c in the Linux kernel through 4.9.9 allows attackers to cause a denial of service (system crash) via (1) an application that makes crafted system calls or possibly (2) IPv4 traffic with invalid IP options.
git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=34b2cef20f19c87999fff3da4071e66937db9644
www.debian.org/security/2017/dsa-3791
www.openwall.com/lists/oss-security/2017/02/12/3
www.securityfocus.com/bid/96233
access.redhat.com/errata/RHSA-2017:1842
access.redhat.com/errata/RHSA-2017:2077
access.redhat.com/errata/RHSA-2017:2669
bugzilla.redhat.com/show_bug.cgi?id=1421638
github.com/torvalds/linux/commit/34b2cef20f19c87999fff3da4071e66937db9644
patchwork.ozlabs.org/patch/724136/
source.android.com/security/bulletin/2017-07-01