摘要:
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
安全等级: Low
公告ID: KylinSec-SA-2022-2598
发布日期: 2022年11月11日
关联CVE: 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. 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
cve名称 | 产品 | 组件 | 是否受影响 |
---|---|---|---|
CVE-2021-39802 | KY3.4-4A | kernel | Unaffected |
CVE-2021-39802 | KY3.4-5 | kernel | Unaffected |
CVE-2021-39802 | KY3.5.1 | kernel | Unaffected |