What is CVE-2018-9515?

CVE-2018-9515 is a high-severity vulnerability in Google Android, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.8/10. Published 2018-10-02.

How severe is CVE-2018-9515?

High severity. CVSS v3 base score is 7.8 out of 10.

Buffer overflow in Google Android

CVE-2018-9515

In sdcardfs_create and sdcardfs_mkdir of inode.c, there is a possible memory corruption due to improper locking. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android Versions: Android kernel Android ID: A-111641492 References: N/A

Vulnerability class: Buffer Overflow

Published 2018-10-02 · last modified 2026-06-17.

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: 0.007 (51.9th percentile), scored 2026-10-03.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 52nd percentile — 51.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Google Android
Google Inc. Android — versions Android kernel

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

References

www.exploit-db.com/exploits/45558/ (Exploit, VDB Entry, Third Party Advisory, exploit)
www.securityfocus.com/bid/105483 (VDB Entry, Third Party Advisory, vdb-entry)
source.android.com/security/bulletin/2018-10-01 (Vendor Advisory)

Frequently asked questions

What is CVE-2018-9515?: CVE-2018-9515 is a high-severity vulnerability in Google Android, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.8/10. Published 2018-10-02.
How severe is CVE-2018-9515?: High severity. CVSS v3 base score is 7.8 out of 10.