CVE-2017-6899

Severity: medium (CVSS 6.2 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2017-06-16 · updated 2026-06-17
Weakness: CWE-476

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

LineageOS: through 2017-06-16

References

http://blog.secret-team.cn/index.php/archives/5/
http://www.securityfocus.com/bid/99107
http://blog.secret-team.cn/index.php/archives/5/
http://www.securityfocus.com/bid/99107

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