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.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.003 (25.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 26th percentile — 25.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
Weakness classification (CWE)
References
- blog.secret-team.cn/index.php/archives/5/ (Third Party Advisory)
- www.securityfocus.com/bid/99107 (VDB Entry, Third Party Advisory, vdb-entry)
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.