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I. Basic Information for CVE-2022-49852
Vulnerability Information

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Vulnerability Title
riscv: process: fix kernel info leakage
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: riscv: process: fix kernel info leakage thread_struct's s[12] may contain random kernel memory content, which may be finally leaked to userspace. This is a security hole. Fix it by clearing the s[12] array in thread_struct when fork. As for kthread case, it's better to clear the s[12] array as well.
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riscv架构中进程fork时未清除thread_struct的数组,可能导致内核信息泄露。
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 7db91e57a0acde126a162ababfb1e0ab190130cb ~ c4601d30f7d989b4f354df899ab85b5f7a750d30 -
LinuxLinux 4.15 -
II. Public POCs for CVE-2022-49852
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III. Intelligence Information for CVE-2022-49852
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IV. Related Vulnerabilities
V. Comments for CVE-2022-49852

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