CVE-2017-9985

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.

Category

7.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.11%
Vendor Advisory ubuntu.com Vendor Advisory kernel.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://bugzilla.kernel.org/show_bug.cgi?id=196133 issue tracking
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=20e2b791796bd68816fa115f12be5320de2b8021 vendor advisory
http://www.securityfocus.com/bid/99335 third party advisory vdb entry
https://usn.ubuntu.com/3754-1/ third party advisory vendor advisory
https://github.com/torvalds/linux/commit/20e2b791796bd68816fa115f12be5320de2b8021 third party advisory

Frequently Asked Questions

What is the severity of CVE-2017-9985?
CVE-2017-9985 has been scored as a high severity vulnerability.
How to fix CVE-2017-9985?
To fix CVE-2017-9985, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-9985 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2017-9985 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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