Race condition in Google Android - CVE-2017-15856
Published: July 6, 2018 / Updated: August 8, 2020
Vulnerability identifier: #VU36957
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-15856
CWE-ID: CWE-362
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Google
Affected software:
Google Android
Google Android
Detailed vulnerability description
The vulnerability allows a local authenticated user to execute arbitrary code.
Due to a race condition while processing the power stats debug file to read status, a double free condition can occur in Android releases from CAF using the linux kernel (Android for MSM, Firefox OS for MSM, QRD Android) before security patch level 2018-06-05.
How to mitigate CVE-2017-15856
Install update from vendor's website.
Sources
- https://source.android.com/security/bulletin/pixel/2018-06-01#qualcomm-components
- https://source.codeaurora.org/quic/la/platform/vendor/qcom-opensource/wlan/qcacld-2.0/commit/?id=ed02c0ccd6f7461a69d64903738372eaf21babcd
- https://www.codeaurora.org/security-bulletin/2018/07/02/july-2018-code-aurora-security-bulletin