CVE-2024-27034

MEDIUM
Published May 1, 2024 Modified Sep 18, 2025

Description

In the Linux kernel, the following vulnerability has been resolved: f2fs: compress: fix to cover normal cluster write with cp_rwsem When we overwrite compressed cluster w/ normal cluster, we should not unlock cp_rwsem during f2fs_write_raw_pages(), otherwise data will be corrupted if partial blocks were persisted before CP & SPOR, due to cluster metadata wasn't updated atomically.

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CVSS v3.1 Score

5.5
MEDIUM
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected Products

Vendor Product
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel

References

Advisories & Patches

https://git.kernel.org/stable/c/2b1b14d9fc94b8feae20808684c8af28ec80f45b https://git.kernel.org/stable/c/52982edfcefd475cc34af663d5c47c0cddaa5739 https://git.kernel.org/stable/c/542c8b3c774a480bfd0804291a12f6f2391b0cd1 https://git.kernel.org/stable/c/75abfd61392b1db391bde6d738a30d685b843286 https://git.kernel.org/stable/c/7d420eaaa18ec8e2bb4eeab8c65c00492ef6f416 https://git.kernel.org/stable/c/fd244524c2cf07b5f4c3fe8abd6a99225c76544b https://git.kernel.org/stable/c/2b1b14d9fc94b8feae20808684c8af28ec80f45b https://git.kernel.org/stable/c/52982edfcefd475cc34af663d5c47c0cddaa5739 https://git.kernel.org/stable/c/542c8b3c774a480bfd0804291a12f6f2391b0cd1 https://git.kernel.org/stable/c/75abfd61392b1db391bde6d738a30d685b843286 https://git.kernel.org/stable/c/7d420eaaa18ec8e2bb4eeab8c65c00492ef6f416 https://git.kernel.org/stable/c/fd244524c2cf07b5f4c3fe8abd6a99225c76544b

Frequently Asked Questions

What is CVE-2024-27034? +
In the Linux kernel, the following vulnerability has been resolved: f2fs: compress: fix to cover normal cluster write with cp_rwsem When we overwrite compressed cluster w/ normal cluster, we should not unlock cp_rwsem during f2fs_write_raw_pages(), otherwise data will be corrupted if partial blocks were persisted before CP & SPOR, due to cluster metadata wasn't updated atomically. It has a CVSS v3.1 base score of 5.5 (MEDIUM).
How severe is CVE-2024-27034? +
CVE-2024-27034 has a CVSS v3.1 score of 5.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.
What products are affected by CVE-2024-27034? +
CVE-2024-27034 affects products from linux, specifically: linux_kernel. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2024-27034? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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