The hash_accept function in crypto/algif_hash.c in the Linux kernel before 4.3.6 allows local users to cause a denial of service (OOPS) by attempting to trigger use of in-kernel hash algorithms for a socket that has received zero bytes of data.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-8646
Reference (s):
- BID:94309
- URL: http://www.securityfocus.com/bid/94309
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=4afa5f9617927453ac04b24b584f6c718dfb4f45
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.3.6
- https://bugzilla.redhat.com/show_bug.cgi?id=1388821