Double Free in Google Android
CVE-2017-9687
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.
Vulnerability class: Double Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.002 (3.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 4th percentile — 3.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- Google Android — versions 8.0
Weakness classification (CWE)
References
- source.android.com/security/bulletin/pixel/2017-10-01 (Vendor Advisory)
- www.securityfocus.com/bid/101160 (VDB Entry, Third Party Advisory, vdb-entry)
Frequently asked questions
- What is CVE-2017-9687?
- CVE-2017-9687 is a high-severity vulnerability in Google Android, classified under Double Free. CVSS score: 7.8/10. Published 2017-10-10.
- How severe is CVE-2017-9687?
- High severity. CVSS v3 base score is 7.8 out of 10.