CVE-2024-50135

4.7 · MEDIUM

Published Nov 5, 2024 linux CWE-362 EPSS 0.17% (6th pctl) CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

Overview

CVE-2024-50135 is a medium-severity vulnerability affecting linux linux_kernel. It was published on November 5, 2024 and has a CVSS 3.1 base score of 4.7 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 4.7, 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:

nvme-pci: fix race condition between reset and nvme_dev_disable()

nvme_dev_disable() modifies the dev->online_queues field, therefore

nvme_pci_update_nr_queues() should avoid racing against it, otherwise

we could end up passing invalid values to blk_mq_update_nr_hw_queues().

WARNING: CPU: 39 PID: 61303 at drivers/pci/msi/api.c:347

pci_irq_get_affinity+0x187/0x210

Workqueue: nvme-reset-wq nvme_reset_work [nvme]

RIP: 0010:pci_irq_get_affinity+0x187/0x210

Call Trace:

<TASK>

? blk_mq_pci_map_queues+0x87/0x3c0

? pci_irq_get_affinity+0x187/0x210

blk_mq_pci_map_queues+0x87/0x3c0

nvme_pci_map_queues+0x189/0x460 [nvme]

blk_mq_update_nr_hw_queues+0x2a/0x40

nvme_reset_work+0x1be/0x2a0 [nvme]

Fix the bug by locking the shutdown_lock mutex before using

dev->online_queues. Give up if nvme_dev_disable() is running or if

it has been executed already.

Remediation

Check the references section for vendor advisories and patches from linux. Update linux_kernel to the latest patched version. 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.

Affected Products

Vendor	Product	Versions	Status
linux	linux_kernel	>= 4.6, < 6.6.59	Affected

References

Ref git.kernel.org/stable/c/26bc0a81f64ce00fc4342c38eeb2eddaad084dd2 Ref git.kernel.org/stable/c/4ed32cc0939b64e3d7b48c8c0d63ea038775f304 Ref git.kernel.org/stable/c/b33e49a5f254474b33ce98fd45dd0ffdc247a0be

Frequently Asked Questions

What is CVE-2024-50135?

CVE-2024-50135 is a medium-severity vulnerability affecting linux linux_kernel. It was published on November 5, 2024 and has a CVSS 3.1 base score of 4.7 (MEDIUM).

How severe is CVE-2024-50135?

This vulnerability has a CVSS 3.1 base score of 4.7, 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-2024-50135?

How can CyberStrike help with CVE-2024-50135?

CyberStrike's AI-powered security agents can automatically detect CVE-2024-50135 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.

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