CVE-2016-7911

HIGH

Description

Race condition in the get_task_ioprio function in block/ioprio.c in the Linux kernel before 4.6.6 allows local users to gain privileges or cause a denial of service (use-after-free) via a crafted ioprio_get system call.

References

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=8ba8682107ee2ca3347354e018865d8e1967c5f4

http://source.android.com/security/bulletin/2016-11-01.html

http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.6.6

http://www.securityfocus.com/bid/94135

https://github.com/torvalds/linux/commit/8ba8682107ee2ca3347354e018865d8e1967c5f4

Details

Source: MITRE

Published: 2016-11-16

Updated: 2016-11-28

Type: CWE-416

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