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I. Basic Information for CVE-2022-50263
Vulnerability Information

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Vulnerability Title
vdpasim: fix memory leak when freeing IOTLBs
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: vdpasim: fix memory leak when freeing IOTLBs After commit bda324fd037a ("vdpasim: control virtqueue support"), vdpasim->iommu became an array of IOTLB, so we should clean the mappings of each free one by one instead of just deleting the ranges in the first IOTLB which may leak maps.
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,该漏洞源于未正确清理IOTLB映射,可能导致内存泄漏。
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 bda324fd037a6b0d44da5699574ce741ca161bc4 ~ 54b210c90d2803a9f1c8fd2f0d08e90172e9a06d -
LinuxLinux 5.19 -
II. Public POCs for CVE-2022-50263
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III. Intelligence Information for CVE-2022-50263
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IV. Related Vulnerabilities
V. Comments for CVE-2022-50263

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