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Category:   OS (Linux)  >   Linux Kernel Vendors:   kernel.org
(Ubuntu Issues Fix) Linux Kernel Double-Free Memory Error in MIDI Driver Lets Local Users Gain Elevated Privileges
SecurityTracker Alert ID:  1041773
SecurityTracker URL:  http://securitytracker.com/id/1041773
CVE Reference:   CVE-2018-10902   (Links to External Site)
Date:  Oct 3 2018
Impact:   Execution of arbitrary code via local system, Root access via local system, User access via local system
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): Ubuntu 16.04 LTS
Description:   A vulnerability was reported in the Linux kernel. A local user can obtain elevated privileges on the target system.

A local user can trigger a double-free memory error in snd_rawmidi_input_params() and snd_rawmidi_output_status() in 'rawmidi.c' to execute arbitrary code on the target system with elevated privileges.

9462acee94608ea1643688d026aa95dd (via Trend Micro Zero Day Initiative) reported this vulnerability.

Impact:   A local user can obtain elevated privileges on the target system.
Solution:   Ubuntu has issued a fix.

The Ubuntu advisory is available at:

https://usn.ubuntu.com/usn/usn-3776-1

Vendor URL:  usn.ubuntu.com/usn/usn-3776-1 (Links to External Site)
Cause:   Access control error

Message History:   This archive entry is a follow-up to the message listed below.
Aug 21 2018 Linux Kernel Double-Free Memory Error in MIDI Driver Lets Local Users Gain Elevated Privileges



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