CVE-2017-6899

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.

Category

6.2
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.07%
Third-Party Advisory secret-team.cn Third-Party Advisory securityfocus.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://blog.secret-team.cn/index.php/archives/5/ third party advisory
http://www.securityfocus.com/bid/99107 third party advisory vdb entry

Frequently Asked Questions

What is the severity of CVE-2017-6899?
CVE-2017-6899 has been scored as a medium severity vulnerability.
How to fix CVE-2017-6899?
To fix CVE-2017-6899, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-6899 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2017-6899 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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