Use-after-free in Google Android - CVE-2018-5856
Published: November 27, 2018 / Updated: August 8, 2020
Vulnerability identifier: #VU36377
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-5856
CWE-ID: CWE-416
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.
In all android releases(Android for MSM, Firefox OS for MSM, QRD Android) from CAF using the linux kernel, due to a race condition, a Use After Free condition can occur in Audio.
How to mitigate CVE-2018-5856
Install update from vendor's website.
Sources
- https://source.codeaurora.org/quic/la/kernel/msm-3.18/commit/?id=3b666735fcc49f5cd3a63440fdc0667ae9316f17
- https://source.codeaurora.org/quic/la/platform/vendor/opensource/audio-kernel/commit/?id=7ab92dd2952d59f3c15c856effe94bba1858e3ff
- https://www.codeaurora.org/security-bulletin/2018/11/05/november-2018-code-aurora-forum-security-bulletin