CVE-2018-9397 — In WMT_unlocked_ioctl of MTK WMT device driver, there is a possible OOB

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HIGH

In WMT_unlocked_ioctl of MTK WMT device driver, there is a possible OOB

Published Dec 4, 2024

7.8

HIGH

CVSS 3.1

EPSS 0.08%

Description

In WMT_unlocked_ioctl of MTK WMT device driver, there is a possible OOB write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.

Affected products

Vendor Google Product Android Default
unaffected
- Version
  Kernel
  Status
  affected
  Constraints
  -

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

Google

Android

unaffected

Version	Status	Constraints
Kernel	affected	-

Vendor Google Product Android Default
n/a
- Version
  0
  Status
  affected
  Constraints
  <2018-06-05
Vendor Google Product Pixel Default
n/a
- Version
  0
  Status
  affected
  Constraints
  <2018-06-05

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

Google

Android

n/a

Version	Status	Constraints
0	affected	<2018-06-05

Google

Pixel

n/a

Version	Status	Constraints
0	affected	<2018-06-05

Remediation

No remediation recorded yet.

Metrics

0.08% 0.00083

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.00083

Score over time

2024–2026

EPSS v3
EPSS v4
EPSS v5

Percentile over time

EPSS v3
EPSS v4
EPSS v5

Table of values (5 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	0.08% (0.00083)	0.23th	v5 (v2026.06.15)
Jun 15, 2026	0.08% (0.00084)	0.36th	v5 (v2026.06.15)
Mar 17, 2025	0.02% (0.00018)	2.60th	v4 (v2025.03.14)
Dec 12, 2024	0.04% (0.00043)	10.81th	v3 (v2023.03.01)
Dec 5, 2024	0.04% (0.00043)	10.53th	v3 (v2023.03.01)