CVE-2016-7911 Information

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.

CVSS Vector

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

Reference

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

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8