CVE-2025-21665
First published: Fri Jan 31 2025(Updated: )
In the Linux kernel, the following vulnerability has been resolved: filemap: avoid truncating 64-bit offset to 32 bits On 32-bit kernels, folio_seek_hole_data() was inadvertently truncating a 64-bit value to 32 bits, leading to a possible infinite loop when writing to an xfs filesystem.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | ||
| Linux Kernel | >=5.12<5.15.177 | |
| Linux Kernel | >=5.16<6.1.127 | |
| Linux Kernel | >=6.2<6.6.74 | |
| Linux Kernel | >=6.7<6.12.11 | |
| Linux Kernel | =6.13-rc1 | |
| Linux Kernel | =6.13-rc2 | |
| Linux Kernel | =6.13-rc3 | |
| Linux Kernel | =6.13-rc4 | |
| Linux Kernel | =6.13-rc5 | |
| Linux Kernel | =6.13-rc6 | |
| Linux Kernel | =6.13-rc7 |
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Reference Links
- https://git.kernel.org/stable/c/09528bb1a4123e2a234eac2bc45a0e51e78dab43
- https://git.kernel.org/stable/c/280f1fb89afc01e7376f59ae611d54ca69e9f967
- https://git.kernel.org/stable/c/64e5fd96330df2ad278d1c4edcca581f26e5f76e
- https://git.kernel.org/stable/c/80fc836f3ebe2f2d2d2c80c698b7667974285a04
- https://git.kernel.org/stable/c/f505e6c91e7a22d10316665a86d79f84d9f0ba76
Frequently Asked Questions
What is the severity of CVE-2025-21665?
CVE-2025-21665 has a high severity rating due to the potential for an infinite loop condition.
How do I fix CVE-2025-21665?
To fix CVE-2025-21665, you should upgrade to a patched version of the Linux kernel that addresses this vulnerability.
Which versions of the Linux Kernel are affected by CVE-2025-21665?
CVE-2025-21665 affects specific versions of the Linux kernel including those between 5.12 to 5.15.177, 5.16 to 6.1.127, 6.2 to 6.6.74, and 6.7 to 6.12.11.
What is the impact of CVE-2025-21665 on system performance?
The primary impact of CVE-2025-21665 is a potential infinite loop when writing to an XFS filesystem, which could lead to system unresponsiveness.
Is CVE-2025-21665 specific to 32-bit kernels?
Yes, CVE-2025-21665 is specifically relevant to 32-bit kernels due to the truncation of 64-bit offsets.
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