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CVE-2024-47677

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: exfat: resolve memory leak from exfat_create_upcase_table() If exfat_load_upcase_table reaches end and returns -EINVAL, allocat…

Published Oct 21, 2024CWE-401EPSS 0.24%

Overview

CVE-2024-47677 is a medium-severity vulnerability. It was published on October 21, 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:

exfat: resolve memory leak from exfat_create_upcase_table()

If exfat_load_upcase_table reaches end and returns -EINVAL,

allocated memory doesn't get freed and while

exfat_load_default_upcase_table allocates more memory, leading to a

memory leak.

Here's link to syzkaller crash report illustrating this issue:

https://syzkaller.appspot.com/text?tag=CrashReport&x=1406c201980000

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/331ed2c739ce656a67865f6b3ee0a478349d78cbRefgit.kernel.org/stable/c/c290fe508eee36df1640c3cb35dc8f89e073c8a8Refgit.kernel.org/stable/c/f9835aec49670c46ebe2973032caaa1043b3d4da

How CyberStrike helps

Frequently asked questions

What is CVE-2024-47677?

CVE-2024-47677 is a medium-severity vulnerability. It was published on October 21, 2024 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2024-47677?

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-2024-47677?

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-2024-47677?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-47677 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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