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CVE-2024-34027

7.8 · HIGH

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_…

Published Jun 24, 2024CWE-770EPSS 0.24%

Overview

CVE-2024-34027 is a high-severity vulnerability. It was published on June 24, 2024 and has a CVSS 3.1 base score of 7.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refgit.kernel.org/stable/c/0a4ed2d97cb6d044196cc3e726b6699222b41019Refgit.kernel.org/stable/c/329edb7c9e3b6ca27e6ca67ab1cdda1740fb3a2bRefgit.kernel.org/stable/c/5d47d63883735718825ca2efc4fca6915469774fRefgit.kernel.org/stable/c/69136304fd144144a4828c7b7b149d0f80321ba4Refgit.kernel.org/stable/c/a6e1f7744e9b84f86a629a76024bba8468aa153bRefgit.kernel.org/stable/c/b5bac43875aa27ec032dbbb86173baae6dce6182Refgit.kernel.org/stable/c/0a4ed2d97cb6d044196cc3e726b6699222b41019Refgit.kernel.org/stable/c/329edb7c9e3b6ca27e6ca67ab1cdda1740fb3a2bRefgit.kernel.org/stable/c/5d47d63883735718825ca2efc4fca6915469774fRefgit.kernel.org/stable/c/69136304fd144144a4828c7b7b149d0f80321ba4

How CyberStrike helps

Frequently asked questions

What is CVE-2024-34027?

CVE-2024-34027 is a high-severity vulnerability. It was published on June 24, 2024 and has a CVSS 3.1 base score of 7.8 (HIGH).

How severe is CVE-2024-34027?

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2024-34027?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2024-34027?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-34027 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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