Use After Free in Google Android
CVE-2017-7364
In all Qualcomm products with Android releases from CAF using the Linux kernel, in function __mdss_fb_copy_destscaler_data(), variable ds_data[i].scale may still point to a user-provided address (which could point to arbitrary kernel address), so on an error condition, this user-provided address will be freed (arbitrary free), and continued operation could result in use after free condition.
Vulnerability class: Use-After-Free
EPSS: 0.008 (53.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Google Android
- Qualcomm, Inc. All Qualcomm Products — versions All Android releases from CAF using the Linux kernel
Weakness classification (CWE)
References
- product-security@qualcomm.com (x_refsource_CONFIRM, Patch, Vendor Advisory)
- product-security@qualcomm.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK)
Frequently asked questions
- What is CVE-2017-7364?
- CVE-2017-7364 is a critical-severity vulnerability in Google Android, classified under Use After Free. CVSS score: 9.8/10. Published 2017-08-18.
- How severe is CVE-2017-7364?
- Critical severity. CVSS v3 base score is 9.8 out of 10.