CVE-2017-14880 — In Qualcomm Android for MSM, Firefox OS for MSM, and QRD Android with all Android releases from CAF using the Linux kernel before security patch level 2018-04-05, while IPA WAN-driver is processing multiple requests from modem/user-space module, the global variable "num_q6_rule" does not have a mutex lock and thus can be accessed and modified by multiple threads

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HIGH

In Qualcomm Android for MSM, Firefox OS for MSM, and QRD Android with all Android releases from CAF using the Linux kernel before security patch level 2018-04-05, while IPA WAN-driver is processing multiple requests from modem/user-space module, the global variable "num_q6_rule" does not have a mutex lock and thus can be accessed and modified by multiple threads

Published Apr 3, 2018

7.8

HIGH

CVSS 3.0

EPSS 0.13%

Description

In Qualcomm Android for MSM, Firefox OS for MSM, and QRD Android with all Android releases from CAF using the Linux kernel before security patch level 2018-04-05, while IPA WAN-driver is processing multiple requests from modem/user-space module, the global variable "num_q6_rule" does not have a mutex lock and thus can be accessed and modified by multiple threads.

Affected products

Vendor Qualcomm, Inc. Product Android for MSM, Firefox OS for MSM, QRD Android Default
n/a
- Version
  All Android releases from CAF using the Linux 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

Qualcomm, Inc.

Android for MSM, Firefox OS for MSM, QRD Android

n/a

Version	Status	Constraints
All Android releases from CAF using the Linux kernel	affected	-

Remediation

No remediation recorded yet.

Metrics

0.13% 0.00125

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

EPSS probability 0.00125

Score over time

2021–2026

EPSS v1
EPSS v5
EPSS v2
EPSS v3

Percentile over time

EPSS v1
EPSS v5
EPSS v2
EPSS v3

Table of values (9 key points)

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

Date	Score	Percentile	Model
Oct 1, 2026	0.13% (0.00125)	1.88th	v5 (v2026.06.15)
Sep 20, 2026	0.13% (0.00125)	2.52th	v5 (v2026.06.15)
Jul 20, 2024	0.04% (0.00044)	12.95th	v3 (v2023.03.01)
May 25, 2024	0.04% (0.00044)	12.27th	v3 (v2023.03.01)
Mar 7, 2023	0.04% (0.00044)	10.26th	v3 (v2023.03.01)
Mar 6, 2023	0.89% (0.00885)	27.89th	v2 (v2022.01.01)
Feb 4, 2022	0.89% (0.00885)	10.50th	v2 (v2022.01.01)
Feb 3, 2022	0.17% (0.00171)	1.23th	v5 (v2026.06.15)
Apr 14, 2021	0.17% (0.00171)	0.00th	v1

Weaknesses (1)

CWE-362

Race Condition

References (1)

https://source.android.com/security/bulletin/pixel/2018-04-01
x_refsource_CONFIRMVendor Advisory

Link	Providers	Tags
https://source.android.com/security/bulletin/pixel/2018-04-01		x_refsource_CONFIRMVendor Advisory

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner qualcomm

Published Apr 3, 2018

Updated Sep 16, 2024

Reserved Sep 28, 2017

Link CVE-2017-14880

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 17, 2026

Link CVE-2017-14880

Red Hat

Severity n/a

Public date n/a

Links CVE-2017-14880