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I. Basic Information for CVE-2025-40081
Vulnerability Information

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Vulnerability Title
perf: arm_spe: Prevent overflow in PERF_IDX2OFF()
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: perf: arm_spe: Prevent overflow in PERF_IDX2OFF() Cast nr_pages to unsigned long to avoid overflow when handling large AUX buffer sizes (>= 2 GiB).
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,该漏洞源于未将nr_pages转换为unsigned long类型,可能导致PERF_IDX2OFF函数溢出。
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 d5d9696b03808bc6be723cc85288c912c3a05606 ~ 656e9a5d69acdd1b20462f4a33378b90ddcb9626 -
LinuxLinux 4.15 -
II. Public POCs for CVE-2025-40081
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III. Intelligence Information for CVE-2025-40081
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IV. Related Vulnerabilities
V. Comments for CVE-2025-40081

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