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CVE-2017-9985 Details

Description

The snd_msndmidi_input_read function in sound/isa/msnd/msnd_midi.c in the Linux kernel through 4.11.7 allows local users to cause a denial of service (over-boundary access) or possibly have unspecified other impact by changing the value of a message queue head pointer between two kernel reads of that value, aka a "double fetch" vulnerability.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.8 HIGHVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=20e2b791796bd68816fa115f12be5320de2b8021	CVE	Vendor Advisory
https://bugzilla.kernel.org/show_bug.cgi?id=196133	CVE	Issue Tracking
https://github.com/torvalds/linux/commit/20e2b791796bd68816fa115f12be5320de2b8021	CVE	Third Party Advisory
https://usn.ubuntu.com/3754-1/	CVE	Third Party Advisory
http://www.securityfocus.com/bid/99335	CVE	Third Party AdvisoryVDB Entry
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=20e2b791796bd68816fa115f12be5320de2b8021	[email protected]	Vendor Advisory
https://bugzilla.kernel.org/show_bug.cgi?id=196133	[email protected]	Issue Tracking
https://github.com/torvalds/linux/commit/20e2b791796bd68816fa115f12be5320de2b8021	[email protected]	Third Party Advisory
https://usn.ubuntu.com/3754-1/	[email protected]	Third Party Advisory
http://www.securityfocus.com/bid/99335	[email protected]	Third Party AdvisoryVDB Entry

see all 10 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-125	Out-of-bounds Read	[email protected]

Affected Products

Product	Versions
linux linux kernel	< 3.18.71 >= 3.19, < 4.1.45 >= 4.2, < 4.4.88 >= 4.5, < 4.9.50 >= 4.10, < 4.12.13
CPE cpe:2.3:o:linux:linux_kernel:::::::: Remediation No remediation found in references.
canonical ubuntu linux	14.04
CPE cpe:2.3:o:canonical:ubuntu_linux:14.04::::esm::: Remediation No remediation found in references.

Change History

9 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
May 13, 2026	CVE Status Change	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Feb 24, 2023	Modified Analysis	[email protected]
Aug 24, 2018	CVE Modified	[email protected]
Aug 8, 2017	CVE Modified	[email protected]
Jul 1, 2017	CVE Modified	[email protected]
Jun 30, 2017	Initial Analysis	[email protected]