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I. Basic Information for CVE-2021-47064
Vulnerability Information

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Vulnerability Title
mt76: fix potential DMA mapping leak
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: mt76: fix potential DMA mapping leak With buf uninitialized in mt76_dma_tx_queue_skb_raw, its field skip_unmap could potentially inherit a non-zero value from stack garbage. If this happens, it will cause DMA mappings for MCU command frames to not be unmapped after completion
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Linux kernel 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel 存在安全漏洞,该漏洞源于存在潜在的 DMA 映射泄漏。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
VendorProductAffected VersionsCPESubscribe
LinuxLinux 27d5c528a7ca08dcd44877fdd9fc08b76630bf77 ~ 9fa26701cd1fc4d932d431971efc5746325bdfce -
LinuxLinux 5.10 -
II. Public POCs for CVE-2021-47064
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III. Intelligence Information for CVE-2021-47064
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IV. Related Vulnerabilities
V. Comments for CVE-2021-47064

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