7.8
High
Exploited
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 |
References
- source.android.com source.android.com
Timeline
- Published
- Added to the KEV catalogue
- Last modified
Other CVEs of Android
The 2441 CVEs of Android →
CVE-2023-21188
In btm_ble_update_inq_result of btm_ble_gap.cc, there is a possible out of bounds read due to a heap buffer overflow
Not rated
CVE-2023-21185
In multiple functions of WifiNetworkFactory.java, there is a missing permission check
Not rated
CVE-2023-21186
In LogResponse of Dns.cpp, there is a possible out of bounds read due to a missing bounds check
Not rated
CVE-2023-21187
In onCreate of UsbAccessoryUriActivity.java, there is a possible way to escape the Setup Wizard due to a logic error…
Not rated