Linux Kernel up to 4.11.7 Message Queue msnd_pinnacle.c snd_msnd_interrupt out-of-bounds

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability, which was classified as critical, was found in Linux Kernel up to 4.11.7 (Operating System). Affected is the function snd_msnd_interrupt of the file sound/isa/msnd/msnd_pinnacle.c of the component Message Queue. The manipulation with an unknown input leads to a out-of-bounds vulnerability. CWE is classifying the issue as CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability.

The bug was discovered 06/27/2017. The weakness was disclosed 06/28/2017 (Website). The advisory is available at This vulnerability is traded as CVE-2017-9984 since 06/27/2017. Local access is required to approach this attack. A authentication is necessary for exploitation. Technical details are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 104321 (Ubuntu 14.04 LTS : linux-lts-xenial vulnerabilities (USN-3469-2)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Ubuntu Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 196961 (Ubuntu Security Notification for Linux, Linux-aws, Linux-gke, Linux-kvm, Linux-raspi2, Linux-snapdragon (USN-3469-1)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 5 months after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (104321). The entries 102883, 107418, 107763 and 107938 are pretty similar.







CPE 2.3info

CPE 2.2info


VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
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NVD Base Score: 7.8
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Class: Out-of-bounds
CWE: CWE-125 / CWE-119
ATT&CK: Unknown

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

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Nessus ID: 104321
Nessus Name: Ubuntu 14.04 LTS : linux-lts-xenial vulnerabilities (USN-3469-2)
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OpenVAS ID: 841810
OpenVAS Name: Ubuntu Update for linux-lts-xenial USN-3469-2
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Threat Intelligenceinfo

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Recommended: Upgrade
Status: 🔍

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06/27/2017 🔍
06/27/2017 +0 days 🔍
06/28/2017 +1 days 🔍
06/28/2017 +0 days 🔍
06/28/2017 +0 days 🔍
06/28/2017 +0 days 🔍
10/31/2017 +125 days 🔍
11/01/2017 +1 days 🔍
12/09/2022 +1864 days 🔍



Advisory: USN-3469-2
Researcher: Pengfei Wang
Status: Not defined

CVE: CVE-2017-9984 (🔍)
SecurityFocus: 99314 - Linux kernel CVE-2017-9984 Local Denial of Service Vulnerability

See also: 🔍


Created: 06/28/2017 04:34 PM
Updated: 12/09/2022 11:15 AM
Changes: 06/28/2017 04:34 PM (79), 10/21/2019 07:01 AM (5), 12/29/2020 08:42 PM (3), 12/09/2022 11:02 AM (4), 12/09/2022 11:08 AM (1), 12/09/2022 11:15 AM (1)
Complete: 🔍


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