National Vulnerability Database

National Vulnerability Database

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    Vulnerabilities Detail

CVE-2018-10902 Detail

Current 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.

Source:  MITRE
Description Last Modified:  08/21/2018
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 7.8 HIGH
Vector: AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H (V3 legend)
Impact Score: 5.9
Exploitability Score: 1.8

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 4.6 MEDIUM
Vector: (AV:L/AC:L/Au:N/C:P/I:P/A:P) (V2 legend)
Impact Subscore: 6.4
Exploitability Subscore: 3.9

Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): Partial
Integrity (I): Partial
Availability (A): Partial
Additional Information:
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://www.securityfocus.com/bid/105119 Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1041529 Patch Third Party Advisory VDB Entry
https://access.redhat.com/errata/RHSA-2018:3083 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:3096 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10902 Issue Tracking Patch Third Party Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=39675f7a7c7e7702f7d5341f1e0d01db746543a0 Patch Vendor Advisory
https://lists.debian.org/debian-lts-announce/2018/10/msg00003.html Mailing List Third Party Advisory
https://usn.ubuntu.com/3776-1/ Third Party Advisory
https://usn.ubuntu.com/3776-2/ Third Party Advisory
https://www.debian.org/security/2018/dsa-4308 Third Party Advisory

Technical Details

Vulnerability Type (View All)

Change History

5 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2018-10902
NVD Published Date:
08/21/2018
NVD Last Modified:
11/01/2018