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CVE-2024-42295

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: nilfs2: handle inconsistent state in nilfs_btnode_create_block() Syzbot reported that a buffer state inconsistency was detected…

Published Aug 17, 2024EPSS 0.23%

Overview

CVE-2024-42295 is a medium-severity vulnerability. It was published on August 17, 2024 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. 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:

nilfs2: handle inconsistent state in nilfs_btnode_create_block()

Syzbot reported that a buffer state inconsistency was detected in

nilfs_btnode_create_block(), triggering a kernel bug.

It is not appropriate to treat this inconsistency as a bug; it can occur

if the argument block address (the buffer index of the newly created

block) is a virtual block number and has been reallocated due to

corruption of the bitmap used to manage its allocation state.

So, modify nilfs_btnode_create_block() and its callers to treat it as a

possible filesystem error, rather than triggering a kernel bug.

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/012be828a118bf496e666ef1fc47fc0e7358ada2Refgit.kernel.org/stable/c/02b87e6334a38c65eef49848d3f1ac422f0b2a44Refgit.kernel.org/stable/c/19cce46238ffe3546e44b9c74057103ff8b24c62Refgit.kernel.org/stable/c/366c3f688dd0288cbe38af1d3a886b5c62372e4aRefgit.kernel.org/stable/c/4811f7af6090e8f5a398fbdd766f903ef6c0d787Refgit.kernel.org/stable/c/5f0a6800b8aec1b453c7fe4c44fcaac5ffe9d52eRefgit.kernel.org/stable/c/be56dfc9be0604291267c07b0e27a69a6bda4899Refgit.kernel.org/stable/c/e34191cce3ee63dfa5fb241904aaf2a042d5b6d8Reflists.debian.org/debian-lts-announce/2024/10/msg00003.htmlReflists.debian.org/debian-lts-announce/2025/01/msg00001.html

How CyberStrike helps

Frequently asked questions

What is CVE-2024-42295?

CVE-2024-42295 is a medium-severity vulnerability. It was published on August 17, 2024 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2024-42295?

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2024-42295?

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-2024-42295?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-42295 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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