CVE-2017-6899: The msm_bus_dbg_update_request_write function in drivers/platform/msm/msm_bus/msm_bus_dbg.c in android_kern...

Security readout for executives and security teams

CVE-2017-6899 is a kernel denial-of-service issue reported in LineageOS android_kernel_huawei_msm8916 through June 16, 2017. A crafted write to a Qualcomm MSM bus debug interface can trigger a NULL pointer dereference and crash the device. The published scope is narrow and incomplete. Exposure appears limited to Android devices or ROMs using affected MSM kernel code, especially LineageOS or Huawei MSM8916-derived kernels from the stated period. The bundle does not prove exposure for stock vendor builds or all Qualcomm MSM devices. Treat this as a targeted legacy Android stability risk, not a confirmed mass-exploitation emergency. Prioritize if affected devices support operations, kiosks, field staff, or safety workflows where forced crashes matter. Mitigation focus: Check current vendor or ROM maintainer guidance for fixed kernel builds.; Prioritize replacing unsupported 2017-era LineageOS or Huawei MSM8916 kernels.; Restrict unnecessary debugfs access according to platform hardening guidance..

Prepared

Jun 13, 2026, 04:43 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.