CVE-2016-8646

medium

Description

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.

References

Advisories
More

https://github.com/torvalds/linux/commit/4afa5f9617927453ac04b24b584f6c718dfb4f45

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

https://euvd.enisa.europa.eu/vulnerability/EUVD-2016-9486

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

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

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

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

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

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

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=4afa5f9617927453ac04b24b584f6c718dfb4f45

Details

Source: Mitre, NVD

Published: 2016-11-28

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 4.9

Vector: CVSS2#AV:L/AC:L/Au:N/C:N/I:N/A:C

Severity: Medium

CVSS v3

Base Score: 5.5

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H