F5 Networks BIG-IP : Kernel vulnerability (K62442245)
Medium Nessus Plugin ID 122622
SynopsisThe remote device is missing a vendor-supplied security patch.
DescriptionThe tcp_check_send_head function in include/net/tcp.h in the Linux kernel before 4.7.5 does not properly maintain certain SACK state after a failed data copy, which allows local users to cause a denial of service (tcp_xmit_retransmit_queue use-after-free and system crash) via a crafted SACK option. (CVE-2016-6828)
SolutionUpgrade to one of the non-vulnerable versions listed in the F5 Solution K62442245.