CVE-2017-6899 — The msm_bus_dbg_update_request_write function in drivers/platform/msm/msm_bus/msm_bus_dbg.c in android_kernel_huawei_msm8916 through 2017-06-16 in LineageOS, and possibly other kernels for MSM devices, allows attackers to cause a denial of service (NULL pointer dereference and device crash) via a crafted /sys/kernel/debug/msm-bus-dbg/client-data/update-request write request

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MEDIUM

The msm_bus_dbg_update_request_write function in drivers/platform/msm/msm_bus/msm_bus_dbg.c in android_kernel_huawei_msm8916 through 2017-06-16 in LineageOS, and possibly other kernels for MSM devices, allows attackers to cause a denial of service (NULL pointer dereference and device crash) via a crafted /sys/kernel/debug/msm-bus-dbg/client-data/update-request write request

Published Jun 16, 2017

6.2

MEDIUM

CVSS 3.0

EPSS 0.35%

Description

The msm_bus_dbg_update_request_write function in drivers/platform/msm/msm_bus/msm_bus_dbg.c in android_kernel_huawei_msm8916 through 2017-06-16 in LineageOS, and possibly other kernels for MSM devices, allows attackers to cause a denial of service (NULL pointer dereference and device crash) via a crafted /sys/kernel/debug/msm-bus-dbg/client-data/update-request write request.

Affected products

Remediation

No remediation recorded yet.

Metrics

0.35% 0.00347

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

EPSS probability 0.00347

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	0.35% (0.00347)	25.82th	v5 (v2026.06.15)
Sep 20, 2026	0.35% (0.00347)	28.30th	v5 (v2026.06.15)
Jul 20, 2024	0.05% (0.00054)	22.20th	v3 (v2023.03.01)
Jun 13, 2024	0.05% (0.00054)	21.63th	v3 (v2023.03.01)
Mar 7, 2023	0.05% (0.00054)	19.62th	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	0.78% (0.00777)	21.50th	v5 (v2026.06.15)
Apr 14, 2021	0.78% (0.00777)	0.00th	v1

Weaknesses (1)

CWE-476

NULL Pointer Dereference

References (2)

http://blog.secret-team.cn/index.php/archives/5/
x_refsource_MISCThird Party Advisory
http://www.securityfocus.com/bid/99107
vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry

Link	Providers	Tags
http://blog.secret-team.cn/index.php/archives/5/		x_refsource_MISCThird Party Advisory
http://www.securityfocus.com/bid/99107		vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner mitre

Published Jun 16, 2017

Updated Aug 5, 2024

Reserved Mar 14, 2017

Link CVE-2017-6899

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 17, 2026

Link CVE-2017-6899

Red Hat

Severity n/a

Public date n/a

Links CVE-2017-6899