CVE-2018-10902

CVE Details

Release Date:	2018-08-21
Impact:	Important	What is this?

Description

It was found that the raw midi kernel driver does not protect against concurrent access which leads to a double realloc (double free) in snd_rawmidi_input_params() and snd_rawmidi_output_status() which are part of snd_rawmidi_ioctl() handler in rawmidi.c file. A malicious local attacker could possibly use this for privilege escalation.

See more information about CVE-2018-10902 from MITRE CVE dictionary and NIST NVD

NOTE: The following CVSS metrics and score provided are preliminary and subject to review.

CVSS v3 metrics

Base Score:	7.8
Vector String:	CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Version:	3.0
Attack Vector:	Local
Attack Complexity:	Low
Privileges Required:	Low
User Interaction:	None
Scope:	Unchanged
Confidentiality Impact:	High
Integrity Impact:	High
Availability Impact:	High

Errata information

Platform	Errata	Release Date
Oracle Linux version 6 (dtrace-modules-3.8.13-118.28.1.el6uek)	ELSA-2018-4300	2018-12-06
Oracle Linux version 6 (dtrace-modules-3.8.13-118.29.1.el6uek)	ELSA-2019-4316	2019-01-04
Oracle Linux version 6 (kernel)	ELSA-2019-0415	2019-02-26
Oracle Linux version 6 (kernel-uek)	ELSA-2018-4299	2018-12-06
Oracle Linux version 6 (kernel-uek)	ELSA-2018-4300	2018-12-06
Oracle Linux version 6 (kernel-uek)	ELSA-2019-4316	2019-01-04
Oracle Linux version 7 (dtrace-modules-3.8.13-118.28.1.el7uek)	ELSA-2018-4300	2018-12-06
Oracle Linux version 7 (dtrace-modules-3.8.13-118.29.1.el7uek)	ELSA-2019-4316	2019-01-04
Oracle Linux version 7 (kernel)	ELSA-2018-3083	2018-11-05
Oracle Linux version 7 (kernel-uek)	ELSA-2018-4299	2018-12-06
Oracle Linux version 7 (kernel-uek)	ELSA-2018-4300	2018-12-06
Oracle Linux version 7 (kernel-uek)	ELSA-2019-4316	2019-01-04
Oracle VM version 3.4 (kernel-uek)	OVMSA-2018-0286	2018-12-07