CVE-2016-8646

low-risk

Published 2016-11-28

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.

Do I need to act?

0.03% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 5.5/10 Medium

LOCAL / LOW complexity

Affected Products (1)

Linux Kernel

Affected Vendors

Linux

References (18)

Issue Tracking http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=4afa5f...

Release Notes http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.3.6

Mailing List http://www.openwall.com/lists/oss-security/2016/11/15/2

http://www.securityfocus.com/bid/94309

https://access.redhat.com/errata/RHSA-2017:1297

https://access.redhat.com/errata/RHSA-2017:1298

https://access.redhat.com/errata/RHSA-2017:1308

Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=1388821

Issue Tracking https://github.com/torvalds/linux/commit/4afa5f9617927453ac04b24b584f6c718dfb4f4...