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CVE-2021-39802 In change_pte_range of mprotect.c , there is a possible way to make a shared mmap writable due to a permissions bypass
Description
In change_pte_range of mprotect.c , there is a possible way to make a shared mmap writable due to a permissions bypass. 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-213339151References: Upstream kernel
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Android | Versions not published |
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