CVE-2025-68210: erofs: avoid infinite loop due to incomplete zstd-compressed data

Severity: unknown
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-12-16 · updated 2026-10-14

Description

In the Linux kernel, the following vulnerability has been resolved: erofs: avoid infinite loop due to incomplete zstd-compressed data Currently, the decompression logic incorrectly spins if compressed data is truncated in crafted (deliberately corrupted) images.

Affected products

Linux kernel: 6.10 — fixed in 6.18

How to fix

Upgrade to a fixed version: Linux kernel 6.18. Check the vendor advisory for mitigations.

References

https://git.kernel.org/stable/c/1f86d73a0afe43b6a85d2aa8207853350b7e2111
https://git.kernel.org/stable/c/4d0e0bb1908acac5b27d30b45c450e8ead97eb00
https://git.kernel.org/stable/c/f2a12cc3b97f062186568a7b94ddb7aa2ef68140

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