CVE-2017-9687

Description

In Android for MSM, Firefox OS for MSM, QRD Android, with all Android releases from CAF using the Linux kernel, two concurrent threads/processes can write the value of "0" to the debugfs file that controls ipa ipc log which will lead to the double-free in ipc_log_context_destroy(). Another issue is the Use-After-Free which can happen due to the race condition when the ipc log is deallocated via the debugfs call during a log print.

Category

7.8
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.02%
Vendor Advisory android.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://source.android.com/security/bulletin/pixel/2017-10-01 vendor advisory
http://www.securityfocus.com/bid/101160 third party advisory vdb entry

Frequently Asked Questions

What is the severity of CVE-2017-9687?
CVE-2017-9687 has been scored as a high severity vulnerability.
How to fix CVE-2017-9687?
To fix CVE-2017-9687, 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-2017-9687 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2017-9687 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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