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CVE-2024-50087

7.8 · HIGH

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix uninitialized pointer free on read_alloc_one_name() error The function read_alloc_one_name() does not initialize the…

Published Oct 29, 2024CWE-824EPSS 0.21%

Overview

CVE-2024-50087 is a high-severity vulnerability. It was published on October 29, 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:

btrfs: fix uninitialized pointer free on read_alloc_one_name() error

The function read_alloc_one_name() does not initialize the name field of

the passed fscrypt_str struct if kmalloc fails to allocate the

corresponding buffer. Thus, it is not guaranteed that

fscrypt_str.name is initialized when freeing it.

This is a follow-up to the linked patch that fixes the remaining

instances of the bug introduced by commit e43eec81c516 ("btrfs: use

struct qstr instead of name and namelen pairs").

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/1ec28de5e476913ae51f909660b4447eddb28838Refgit.kernel.org/stable/c/2ab5e243c2266c841e0f6904fad1514b18eaf510Refgit.kernel.org/stable/c/7fc7c47b9ba0cf2d192f2117a64b24881b0b577fRefgit.kernel.org/stable/c/b37de9491f140a0ff125c27dd1050185c3accbc1Reflists.debian.org/debian-lts-announce/2025/01/msg00001.html

How CyberStrike helps

Frequently asked questions

What is CVE-2024-50087?

CVE-2024-50087 is a high-severity vulnerability. It was published on October 29, 2024 and has a CVSS 3.1 base score of 7.8 (HIGH).

How severe is CVE-2024-50087?

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-2024-50087?

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-2024-50087?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-50087 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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