A possible DoS issue was found in cifs/smbencrypt.c when smbencrypt() points a scatterlist to the stack. This affects only kernels with CONFIG_VMAP_STACK enabled. Upstream patch: https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=06deeec77a5a689cc94b21a8a91a76e42176685d CVE assignment: http://seclists.org/oss-sec/2017/q1/161
Created kernel tracking bugs for this issue: Affects: fedora-all [bug 1416128]
This was fixed in the 4.9.1 stable kernels and is currently on all supported Fedora releases.