Use After Free in Google Android
CVE-2022-20122
The PowerVR GPU driver allows unprivileged apps to allocated pinned memory, unpin it (which makes it available to be freed), and continue using the page in GPU calls. No privileges required and this results in kernel memory corruption.Product: AndroidVersions: Android SoCAndroid ID: A-232441339
Vulnerability class: Use-After-Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.004 (32.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 32nd percentile — 32.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: +0.000
Affected products
- Google Android
- Android — versions Android SoC
Weakness classification (CWE)
Public proof-of-concept exploits
- ARPSyndicate/cvemon
- Live-Hack-CVE/CVE-2022-20122
- kdn111/linux-kernel-exploitation
- khanhdn111/linux-kernel-exploitation
- khanhdz-06/linux-kernel-exploitation
- khanhdz191/linux-kernel-exploitation
- khanhhdz/linux-kernel-exploitation
- khanhhdz06/linux-kernel-exploitation
- khanhnd123/linux-kernel-exploitation
- khnhdz/linux-kernel-exploitation
References
- source.android.com/security/bulletin/2022-08-01 (Vendor Advisory)
Frequently asked questions
- What is CVE-2022-20122?
- CVE-2022-20122 is a critical-severity vulnerability in Google Android, classified under Use After Free. CVSS score: 9.8/10. Published 2022-08-24.
- How severe is CVE-2022-20122?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2022-20122 known to be exploited?
- 16 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.