CVE-2015-8963

HIGH

Description

Race condition in kernel/events/core.c in the Linux kernel before 4.4 allows local users to gain privileges or cause a denial of service (use-after-free) by leveraging incorrect handling of an swevent data structure during a CPU unplug operation.

References

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=12ca6ad2e3a896256f086497a7c7406a547ee373

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

http://www.securityfocus.com/bid/94207

https://github.com/torvalds/linux/commit/12ca6ad2e3a896256f086497a7c7406a547ee373

Details

Source: MITRE

Published: 2016-11-16

Updated: 2016-11-28

Type: CWE-416

Risk Information

CVSS v2.0

Base Score: 7.6

Vector: (AV:N/AC:H/Au:N/C:C/I:C/A:C)

Impact Score: 10

Exploitability Score: 4.9

Severity: HIGH

CVSS v3.0

Base Score: 7

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

Impact Score: 5.9

Exploitability Score: 1

Severity: HIGH