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I. Basic Information for CVE-2022-49651
Vulnerability Information

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Vulnerability Title
srcu: Tighten cleanup_srcu_struct() GP checks
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: srcu: Tighten cleanup_srcu_struct() GP checks Currently, cleanup_srcu_struct() checks for a grace period in progress, but it does not check for a grace period that has not yet started but which might start at any time. Such a situation could result in a use-after-free bug, so this commit adds a check for a grace period that is needed but not yet started to cleanup_srcu_struct().
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cleanup_srcu_struct函数中的GP检查不严。
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 da915ad5cf25b5f5d358dd3670c3378d8ae8c03e ~ e997dda6502eefbc1032d6b0da7b353c53344b07 -
LinuxLinux 4.12 -
II. Public POCs for CVE-2022-49651
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III. Intelligence Information for CVE-2022-49651
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IV. Related Vulnerabilities
V. Comments for CVE-2022-49651

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