CVE-2017-9985

HIGH

7.8

CVSS Score

Published: June 28, 2017 at 06:00 AM UTC

Updated: June 17, 2026 at 01:29 AM UTC

2 products affected across 2 vendorsLinux KernelUbuntu Linux

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Severity

HIGH7.8

Exploit prediction

EPSS 0.3%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Ubuntu Linux · Canonicalrubygems

95%

14.04

Linux Kernel · Linux

95%

v < 3.18.713.19 ≤ v < 4.1.454.10 ≤ v < 4.12.134.2 ≤ v < 4.4.884.5 ≤ v < 4.9.50

Affected range stops below 3.18.71, so it looks safe — our inference, not a vendor statement

Affected range stops below 4.1.45, so it looks safe — our inference, not a vendor statement

Affected range stops below 4.12.13, so it looks safe — our inference, not a vendor statement

Affected range stops below 4.4.88, so it looks safe — our inference, not a vendor statement

Affected range stops below 4.9.50, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (5)

x_refsource_MISCVendor Advisory

Source: [email protected]

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=20e2b791796bd68816fa115f12be5320de2b8021

VDB Entryx_refsource_BIDThird Party Advisory

Source: [email protected]

http://www.securityfocus.com/bid/99335

x_refsource_MISCIssue Tracking

Source: [email protected]

https://bugzilla.kernel.org/show_bug.cgi?id=196133

x_refsource_MISCThird Party Advisory

Source: [email protected]

https://github.com/torvalds/linux/commit/20e2b791796bd68816fa115f12be5320de2b8021

Vendor Advisoryx_refsource_UBUNTUThird Party Advisory

Source: [email protected]

https://usn.ubuntu.com/3754-1/

CVSS

7.8HIGH[email protected]

Attack Vector: LOCAL
Complexity: LOW
Privileges: LOW
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: HIGH
Availability: HIGH

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-125

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