CVE-2017-9687
HIGHAndroid - Double Free and Use-After-Free via ipa ipc log debugfs File
Title source: llmDescription
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.
References (2)
Core 2
Core References
Vendor Advisory x_refsource_confirm
https://source.android.com/security/bulletin/pixel/2017-10-01
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/101160
Scores
CVSS v3
7.8
EPSS
0.0015
EPSS Percentile
4.6%
Attack Vector
LOCAL
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-415
Status
published
Products (1)
google/android
8.0
Published
Oct 10, 2017
Tracked Since
Feb 18, 2026