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CVE-2024-42257

7.8 · HIGH

In the Linux kernel, the following vulnerability has been resolved: ext4: use memtostr_pad() for s_volume_name As with the other strings in struct ext4_super_block, s_volume_name is not NUL termi…

Published Aug 8, 2024EPSS 0.20%

Overview

CVE-2024-42257 is a high-severity vulnerability. It was published on August 8, 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:

ext4: use memtostr_pad() for s_volume_name

As with the other strings in struct ext4_super_block, s_volume_name is

not NUL terminated. The other strings were marked in commit 072ebb3bffe6

("ext4: add nonstring annotations to ext4.h"). Using strscpy() isn't

the right replacement for strncpy(); it should use memtostr_pad()

instead.

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/4378be89ddb7de88d984b67ecfd6191686c42817Refgit.kernel.org/stable/c/be27cd64461c45a6088a91a04eba5cd44e1767ef

How CyberStrike helps

Frequently asked questions

What is CVE-2024-42257?

CVE-2024-42257 is a high-severity vulnerability. It was published on August 8, 2024 and has a CVSS 3.1 base score of 7.8 (HIGH).

How severe is CVE-2024-42257?

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-2024-42257?

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-2024-42257?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-42257 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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