Use-after-free in Google Android - CVE-2017-11091
Published: November 16, 2017 / Updated: August 8, 2020
Vulnerability identifier: #VU37925
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-2017-11091
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 android for MSM, Firefox OS for MSM, QRD Android, with all Android releases from CAF using the Linux kernel, in the function mdss_rotator_ioctl in the driver /dev/mdss_rotator, a Use-After-Free condition can potentially occur due to a fence being installed too early.
How to mitigate CVE-2017-11091
Install update from vendor's website.