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I. Basic Information for CVE-2021-46908
Vulnerability Information

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Vulnerability Title
bpf: Use correct permission flag for mixed signed bounds arithmetic
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: bpf: Use correct permission flag for mixed signed bounds arithmetic We forbid adding unknown scalars with mixed signed bounds due to the spectre v1 masking mitigation. Hence this also needs bypass_spec_v1 flag instead of allow_ptr_leaks.
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,该漏洞源于对混合签名边界算术使用正确的权限标志。
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 2c78ee898d8f10ae6fb2fa23a3fbaec96b1b7366 ~ 4f3ff11204eac0ee23acf64deecb3bad7b0db0c6 -
LinuxLinux 5.8 -
II. Public POCs for CVE-2021-46908
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III. Intelligence Information for CVE-2021-46908
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IV. Related Vulnerabilities
V. Comments for CVE-2021-46908

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