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I. Basic Information for CVE-2022-48747
Vulnerability Information

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Vulnerability Title
block: Fix wrong offset in bio_truncate()
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: block: Fix wrong offset in bio_truncate() bio_truncate() clears the buffer outside of last block of bdev, however current bio_truncate() is using the wrong offset of page. So it can return the uninitialized data. This happened when both of truncated/corrupted FS and userspace (via bdev) are trying to read the last of bdev.
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 block 模块 bio_truncate 中的错误偏移量。
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 943cd69efac437d82a7aea0659fccbcc071730de ~ 6cbf4c731d7812518cd857c2cfc3da9fd120f6ae -
LinuxLinux 5.5 -
II. Public POCs for CVE-2022-48747
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III. Intelligence Information for CVE-2022-48747
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V. Comments for CVE-2022-48747

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