CVE-2024-34027

f2fs: compress: fix to cover {reserve,release}_compress_blocks() w/ cp_rwsem lock

Description

In the Linux kernel, the following vulnerability has been resolved: f2fs: compress: fix to cover {reserve,release}_compress_blocks() w/ cp_rwsem lock It needs to cover {reserve,release}_compress_blocks() w/ cp_rwsem lock to avoid racing with checkpoint, otherwise, filesystem metadata including blkaddr in dnode, inode fields and .total_valid_block_count may be corrupted after SPO case.

Category

7.0
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.05%
Affected: Linux Linux
Affected: Linux Linux
Published at:
Updated at:

References

Link Tags
https://git.kernel.org/stable/c/a6e1f7744e9b84f86a629a76024bba8468aa153b patch
https://git.kernel.org/stable/c/b5bac43875aa27ec032dbbb86173baae6dce6182 patch
https://git.kernel.org/stable/c/5d47d63883735718825ca2efc4fca6915469774f patch
https://git.kernel.org/stable/c/329edb7c9e3b6ca27e6ca67ab1cdda1740fb3a2b patch
https://git.kernel.org/stable/c/69136304fd144144a4828c7b7b149d0f80321ba4 patch
https://git.kernel.org/stable/c/0a4ed2d97cb6d044196cc3e726b6699222b41019 patch

Frequently Asked Questions

What is the severity of CVE-2024-34027?
CVE-2024-34027 has been scored as a high severity vulnerability.
How to fix CVE-2024-34027?
To fix CVE-2024-34027, 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-2024-34027 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2024-34027 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-2024-34027?
CVE-2024-34027 affects Linux Linux, Linux Linux.
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