CVE-2024-27034

f2fs: compress: fix to cover normal cluster write with cp_rwsem

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.

N/A

CVSS

Severity:

EPSS 0.20%

Affected: Linux Linux

References

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

Frequently Asked Questions

What is the severity of CVE-2024-27034?: CVE-2024-27034 has not yet been assigned a CVSS score.
How to fix CVE-2024-27034?: To fix CVE-2024-27034, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2024-27034 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2024-27034 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-27034?: CVE-2024-27034 affects Linux Linux, Linux Linux.

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