CVE-2017-9687

Severity: high (CVSS 7.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2017-10-10 · updated 2026-06-17
Weakness: CWE-415

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.

Affected products

Android: 8.0

References

http://www.securityfocus.com/bid/101160
https://source.android.com/security/bulletin/pixel/2017-10-01
http://www.securityfocus.com/bid/101160
https://source.android.com/security/bulletin/pixel/2017-10-01

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