CVE-2016-8440
Possible buffer overflow in SMMU system call. Improper input validation in ADSP SID2CB system...
CVE-2016-8440 is a critical vulnerability (CVSS 9.8) in Google Android, published January 12, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.20%, the 82nd percentile. No source names a fixed version.
- Severity
- 9.8 CriticalCVSS 3.0, NVD
- Exploit chance
- 2.20%EPSS, 82nd percentile
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
- No fix listedNo source names one
Description
Possible buffer overflow in SMMU system call. Improper input validation in ADSP SID2CB system call may result in hypervisor memory overwrite. Product: Android. Versions: Kernel 3.18. Android ID: A-31625306. References: QC-CR#1036747.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
Affected products
What each source reports
NVD Score used
Possible buffer overflow in SMMU system call. Improper input validation in ADSP SID2CB system call may result in hypervisor memory overwrite. Product: Android. Versions: Kernel 3.18. Android ID: A-31625306. References: QC-CR#1036747.
- Record
CVE-2016-8440- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 10.0 High
AV:N/AC:L/Au:N/C:C/I:C/A:C - Weakness
- CWE-119
- Updated
- 2026-11-02
CVE ListNo score
Possible buffer overflow in SMMU system call. Improper input validation in ADSP SID2CB system call may result in hypervisor memory overwrite. Product: Android. Versions: Kernel 3.18. Android ID: A-31625306. References: QC-CR#1036747.
- Record
CVE-2016-8440- Updated
- 2026-11-02
EUVDEUVD-2016-9288No score
Possible buffer overflow in SMMU system call. Improper input validation in ADSP SID2CB system call may result in hypervisor memory overwrite. Product: Android. Versions: Kernel 3.18. Android ID: A-31625306. References: QC-CR#1036747.
- Record
EUVD-2016-9288- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-gxfv-4j87-2g8p
Possible buffer overflow in SMMU system call. Improper input validation in ADSP SID2CB system...
Possible buffer overflow in SMMU system call. Improper input validation in ADSP SID2CB system call may result in hypervisor memory overwrite. Product: Android. Versions: Kernel 3.18. Android ID: A-31625306. References: QC-CR#1036747.
- Record
GHSA-gxfv-4j87-2g8p- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-119
- Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases, products | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.