CVE-2017-9985 Race condition in n/a

What is CVE-2017-9985?

CVE-2017-9985 is a high-severity vulnerability in Canonical Ubuntu Linux, published on 28 Jun 2017. It can only be exploited from the same machine or local network, with no action from the victim.

Official 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.

Weakness: CWE-125

Which versions are affected by CVE-2017-9985?

It affects 2 products.

Products include Canonical Ubuntu Linux, Linux kernel.

How do I fix CVE-2017-9985?

Apply the vendor's patch.

Is CVE-2017-9985 being exploited?

There is no known exploitation of CVE-2017-9985 in the wild and no public exploit code.

Other vulnerabilities in Canonical Ubuntu Linux

• CVE-2020-11651 SaltStack Salt Authentication Bypass Exploited Critical 9.8
• CVE-2020-7247 OpenSMTPD Remote Code Execution Exploited Critical 9.8
• CVE-2019-16928 Exim Out-of-bounds Write Exploited Critical 9.8
• CVE-2018-6789 Exim Buffer Overflow Exploited Critical 9.8
• CVE-2015-2590 Oracle Java SE and Java SE Embedded Remote Code Execution Exploited Critical 9.8

All Canonical Ubuntu Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2017-9985, GHSA-3585-3w46-j654, UBUNTU-CVE-2017-9985.