7.8
High
CVE-2021-1048 Android Kernel Use-After-Free Vulnerability
Active exploitation observed
· CISA KEV catalogue
Required action
Apply updates per vendor instructions.
Ransomware campaigns
Not observed so far
Weakness
CWE-416
Description
In ep_loop_check_proc of eventpoll.c, there is a possible way to corrupt memory due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-204573007References: Upstream kernel
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Android | Versions not published |
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