CVE-2016-9313

HIGH

Description

security/keys/big_key.c in the Linux kernel before 4.8.7 mishandles unsuccessful crypto registration in conjunction with successful key-type registration, which allows local users to cause a denial of service (NULL pointer dereference and panic) or possibly have unspecified other impact via a crafted application that uses the big_key data type.

References

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=7df3e59c3d1df4f87fe874c7956ef7a3d2f4d5fb

http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.8.7

http://www.openwall.com/lists/oss-security/2016/07/22/1

http://www.securityfocus.com/bid/94546

https://github.com/torvalds/linux/commit/7df3e59c3d1df4f87fe874c7956ef7a3d2f4d5fb

Details

Source: MITRE

Published: 2016-11-28

Updated: 2016-11-30

Type: CWE-476

Risk Information

CVSS v2.0

Base Score: 9.3

Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C

Impact Score: 10

Exploitability Score: 8.6

Severity: HIGH

CVSS v3.0

Base Score: 7.8

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

Impact Score: 5.9

Exploitability Score: 1.8

Severity: HIGH