What’s Vulnerable › Vulnerabilities

CVE-2024-27035: f2fs: compress: fix to guarantee persisting compressed blocks by CP

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-05-01 · updated 2026-08-04

Description

In the Linux kernel, the following vulnerability has been resolved: f2fs: compress: fix to guarantee persisting compressed blocks by CP If data block in compressed cluster is not persisted with metadata during checkpoint, after SPOR, the data may be corrupted, let's guarantee to write compressed page by checkpoint.

Affected products

• Linux kernel: from 5.6 before 6.1.83; from 6.2 before 6.6.23; from 6.7 before 6.7.11; from 6.8 before 6.8.2 — fixed in 6.1.83, 6.6.23, 6.7.11, 6.8.2

How to fix

Upgrade to a fixed version: Linux kernel 6.1.83, 6.6.23, 6.7.11, 6.8.2. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/57e8b17d0522c8f4daf0c4d9969b4d7358033532
• https://git.kernel.org/stable/c/82704e598d7b33c7e45526e34d3c585426319bed
• https://git.kernel.org/stable/c/8a430dd49e9cb021372b0ad91e60aeef9c6ced00
• https://git.kernel.org/stable/c/c3311694b9bcced233548574d414c91d39214684
• https://git.kernel.org/stable/c/e54cce8137258a550b49cae45d09e024821fb28d
• https://git.kernel.org/stable/c/57e8b17d0522c8f4daf0c4d9969b4d7358033532
• https://git.kernel.org/stable/c/82704e598d7b33c7e45526e34d3c585426319bed
• https://git.kernel.org/stable/c/8a430dd49e9cb021372b0ad91e60aeef9c6ced00
• https://git.kernel.org/stable/c/c3311694b9bcced233548574d414c91d39214684
• https://git.kernel.org/stable/c/e54cce8137258a550b49cae45d09e024821fb28d

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