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CVE-2023-54034— iommufd: Make sure to zero vfio_iommu_type1_info before copying to user

EPSS 0.03% · P11
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I. Basic Information for CVE-2023-54034

Vulnerability Information
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Vulnerability Title
iommufd: Make sure to zero vfio_iommu_type1_info before copying to user
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: iommufd: Make sure to zero vfio_iommu_type1_info before copying to user Missed a zero initialization here. Most of the struct is filled with a copy_from_user(), however minsz for that copy is smaller than the actual struct by 8 bytes, thus we don't fill the padding.
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iommufd未将结构体清零即复制到用户空间，可能导致信息泄露。
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 d624d6652a65ad4f47a58b8651a1ec1163bb81d3 ~ 7adcec686e4d699c169d34c722132b2bce5232cb -
LinuxLinux 6.2 -

II. Public POCs for CVE-2023-54034

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III. Intelligence Information for CVE-2023-54034

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Showing top 20 of 322 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2023-54034

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