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CVE-2024-38384

7.8 · HIGH

In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: fix list corruption from reorder of WRITE ->lqueued __blkcg_rstat_flush() can be run anytime, especially when blk_c…

Published Jun 24, 2024CWE-400EPSS 0.24%

Overview

CVE-2024-38384 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:

blk-cgroup: fix list corruption from reorder of WRITE ->lqueued

__blkcg_rstat_flush() can be run anytime, especially when blk_cgroup_bio_start

is being executed.

If WRITE of `->lqueued` is re-ordered with READ of 'bisc->lnode.next' in

the loop of __blkcg_rstat_flush(), `next_bisc` can be assigned with one

stat instance being added in blk_cgroup_bio_start(), then the local

list in __blkcg_rstat_flush() could be corrupted.

Fix the issue by adding one barrier.

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/714e59b5456e4d6e4295a9968c564abe193f461cRefgit.kernel.org/stable/c/785298ab6b802afa75089239266b6bbea590809cRefgit.kernel.org/stable/c/d0aac2363549e12cc79b8e285f13d5a9f42fd08eRefgit.kernel.org/stable/c/714e59b5456e4d6e4295a9968c564abe193f461cRefgit.kernel.org/stable/c/785298ab6b802afa75089239266b6bbea590809cRefgit.kernel.org/stable/c/d0aac2363549e12cc79b8e285f13d5a9f42fd08e

How CyberStrike helps

Frequently asked questions

What is CVE-2024-38384?

CVE-2024-38384 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-2024-38384?

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-2024-38384?

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-2024-38384?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-38384 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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