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.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP3 | libraw | 0.15.4-9.2 | SUSE-SU-2017:2300-1 |
| SLES 12 SP2 | libraw | 0.15.4-9.2 | SUSE-SU-2017:2300-1 |
Advisories 1
- SUSE-SU-2017:2300-1 Security update for libraw SUSE / openSUSE Security Updates · Feb 4, 2026