NULL pointer dereference in Lineageos

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.

EPSS: 0.003 (27.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.2 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2017-6899?
CVE-2017-6899 is a medium-severity vulnerability in Lineageos, classified under NULL Pointer Dereference. CVSS score: 6.2/10. Published 2017-06-16.
How severe is CVE-2017-6899?
Medium severity. CVSS v3 base score is 6.2 out of 10.