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CVE-2024-46843

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: scsi: ufs: core: Remove SCSI host only if added If host tries to remove ufshcd driver from a UFS device it would cause a kernel…

Published Sep 27, 2024EPSS 0.24%

Overview

CVE-2024-46843 is a medium-severity vulnerability. It was published on September 27, 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:

scsi: ufs: core: Remove SCSI host only if added

If host tries to remove ufshcd driver from a UFS device it would cause a

kernel panic if ufshcd_async_scan fails during ufshcd_probe_hba before

adding a SCSI host with scsi_add_host and MCQ is enabled since SCSI host

has been defered after MCQ configuration introduced by commit 0cab4023ec7b

("scsi: ufs: core: Defer adding host to SCSI if MCQ is supported").

To guarantee that SCSI host is removed only if it has been added, set the

scsi_host_added flag to true after adding a SCSI host and check whether it

is set or not before removing it.

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/2f49e05d6b58d660f035a75ff96b77071b4bd5edRefgit.kernel.org/stable/c/3844586e9bd9845140e1078f1e61896b576ac536Refgit.kernel.org/stable/c/7cbff570dbe8907e23bba06f6414899a0fbb2fcc

How CyberStrike helps

Frequently asked questions

What is CVE-2024-46843?

CVE-2024-46843 is a medium-severity vulnerability. It was published on September 27, 2024 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2024-46843?

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-2024-46843?

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-2024-46843?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-46843 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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