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I. Basic Information for CVE-2022-49426
Vulnerability Information

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Vulnerability Title
iommu/arm-smmu-v3-sva: Fix mm use-after-free
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: iommu/arm-smmu-v3-sva: Fix mm use-after-free We currently call arm64_mm_context_put() without holding a reference to the mm, which can result in use-after-free. Call mmgrab()/mmdrop() to ensure the mm only gets freed after we unpinned the ASID.
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arm-smmu-v3-sva模块中的mm释放后重用。
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 32784a9562fb0518b12e9797ee2aec52214adf6f ~ fc90f13ea0dcd960e5002d204fa55cec4e0db2fa -
LinuxLinux 5.11 -
II. Public POCs for CVE-2022-49426
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III. Intelligence Information for CVE-2022-49426
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IV. Related Vulnerabilities
V. Comments for CVE-2022-49426

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