Advisory Details

August 30th, 2018

Linux Kernel MIDI Race Condition Privilege Escalation Vulnerability

ZDI-18-965
ZDI-CAN-6201

CVE ID CVE-2018-10902
CVSS SCORE 6.9, AV:L/AC:M/Au:N/C:C/I:C/A:C
AFFECTED VENDORS Linux
AFFECTED PRODUCTS Linux Kernel
VULNERABILITY DETAILS


This vulnerability allows local attackers to escalate privileges on vulnerable installations of Linux Kernel. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.

The specific flaw exists within the handling of MIDI devices. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to escalate privileges to the level of kernel.
ADDITIONAL DETAILS Linux has issued an update to correct this vulnerability. More details can be found at:
https://bugzilla.redhat.com/show_bug.cgi?id=1590720
DISCLOSURE TIMELINE
  • 2018-06-13 - Vulnerability reported to vendor
  • 2018-08-30 - Coordinated public release of advisory
  • 2018-08-30 - Advisory Updated
CREDIT 9462acee94608ea1643688d026aa95dd
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