CNNVD-202510-2564 Information

Oct 20, 2025 cve

CNNVD ID

CNNVD-202510-2564

CVE-2025-40006

  • CNNVD Published: 2025-10-20

Description (Chinese)

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，该漏洞源于迁移操作与fallocating hole竞争时可能导致folio仍被映射而未正确解除映射，可能触发文件映射计数错误。

Description (English)

Linux Kernel is the kernel used by Linux, the Open Source Operator System of the Linux Foundation of the United States. Linux Kernel has a security loophole, which stems from the fact that the migration operation competes with the Fallocating Hole, which could result in Folio still being mapd and not correctly unmaped, and could trigger a file map count error.

Hazard Level

High

Vulnerability Type

其他

Affected Vendor

Linux

Published

2025-10-20

Last Modified

2026-02-24

References

https://git.kernel.org/stable/c/910d7749346c4b0acdc6e4adfdc4a9984281a206 https://git.kernel.org/stable/c/c9c2a51f91aea70e89b496cac360cd795a2b3c26 https://git.kernel.org/stable/c/7b7387650dcf2881fd8bb55bcf3c8bd6c9542dd7 https://git.kernel.org/stable/c/91f548e920fbf8be3f285bfa3fa045ae017e836d https://git.kernel.org/stable/c/c1dc0524ab2cc3982d4e0d2bfac71a0cd4d65c39 https://git.kernel.org/stable/c/21ee79ce938127f88fe07e409c1817f477dbe7ea https://git.kernel.org/stable/c/3e851448078f5b01f6264915df3cfef75e323a12 https://git.kernel.org/stable/c/bc1c9ce8aeff45318332035dbef9713fb9e982d7 https://access.redhat.com/security/cve/cve-2025-40006 https://vigilance.fr/vulnerability/Linux-kernel-multiple-vulnerabilities-dated-21-10-2025-48533

Patch

https://git.kernel.org/stable/c/21ee79ce938127f88fe07e409c1817f477dbe7ea

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