CVE-2026-56946
Quick assessment
Affected
Google Android
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
在 文件的 函数中，由于存在逻辑错误，可能导致在取消映射过程中释放了仍在使用的直接内存访问（DMA）页面引用。该漏洞可能被利用以进行本地权限提升，且攻击者需要具备系统执行权限。利用此漏洞无需用户交互。
Possible ATT&CK Techniques 1 AI
T1548.001 · Setuid and Setgid
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I. Basic Information for CVE-2026-56946
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
In smmu_unmap_visit_leaf of arm-smmu-v3.c, there is a possible way to release active direct memory access page references during unmapping due to a logic error. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Affected Products
II. Public POCs for CVE-2026-56946
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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No public POC found.
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Vendor Advisories for CVE-2026-56946 (1)
Same Patch Batch · Google · 2026-11-10 · 167 CVEs total
| CVE-2026-56951 | vkDecoder 逻辑错误致主机指针泄露漏洞 | |
| CVE-2026-57010 | data_manager 越界写漏洞：无需交互的远程提权 | |
| CVE-2026-57009 | GC2AvcDec 逻辑错误致本地提权漏洞 | |
| CVE-2026-57005 | Android 8.0 以下 EuiccPort 混淆代理漏洞 | |
| CVE-2026-57004 | PresenceDecoderV1 越界写入导致远程提权漏洞 | |
| CVE-2026-56995 | 共享内存内存损坏漏洞：需系统权限提权 | |
| CVE-2026-56980 | data_flow_manager 整数溢出导致越界写漏洞 | |
| CVE-2026-56971 | AudioSession 双释放漏洞：远程代码执行 | |
| CVE-2026-56969 | edgetpu 逻辑错误导致 Use After Free 漏洞 | |
| CVE-2026-56966 | Chrome hal_override_options 混淆副手漏洞 | |
| CVE-2026-56956 | TextRtpPayloadEncoderNode 堆缓冲区溢出漏洞 | |
| CVE-2026-56938 | ipc.c 竞态条件导致 Use After Free 漏洞 | |
| CVE-2026-56930 | smmu.c SMMU 混淆代理漏洞致本地提权 | |
| CVE-2026-56933 | efw_ap_transport.c 非堆缓冲区溢出 | |
| CVE-2026-56934 | Linux IOMMU 逻辑错误致本地提权漏洞 | |
| CVE-2026-56935 | storage.c 逻辑错误致本地信息泄露 | |
| CVE-2026-56944 | Google ARM-SMMU-V3 逻辑错误致释放后使用漏洞 | |
| CVE-2026-56949 | 多地点竞态条件致共享内存固件被改，导致本地提权 | |
| CVE-2026-56947 | Android PhoneInterfaceManager 权限绕过漏洞 | |
| CVE-2026-57013 | 多文件安全协处理器因默认值不当致本地提权漏洞 |
Showing top 20 of 167 CVEs. View all on vendor page → →