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.
https://bugzilla.redhat.com/show_bug.cgi?id=1388821
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.3.6
http://www.openwall.com/lists/oss-security/2016/11/15/2
https://github.com/torvalds/linux/commit/4afa5f9617927453ac04b24b584f6c718dfb4f45
http://www.securityfocus.com/bid/94309
https://access.redhat.com/errata/RHSA-2017:1308
Source: MITRE
Published: 2016-11-28
Updated: 2023-02-12
Type: CWE-476
Base Score: 4.9
Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C
Impact Score: 6.9
Exploitability Score: 3.9
Severity: MEDIUM
Base Score: 5.5
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Impact Score: 3.6
Exploitability Score: 1.8
Severity: MEDIUM