CVE-2024-35816

5.5 · MEDIUM

Published May 17, 2024 linux CWE-401 EPSS 0.22% (13th pctl) CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Overview

CVE-2024-35816 is a medium-severity vulnerability affecting linux linux_kernel. It was published on May 17, 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:

firewire: ohci: prevent leak of left-over IRQ on unbind

Commit 5a95f1ded28691e6 ("firewire: ohci: use devres for requested IRQ")

also removed the call to free_irq() in pci_remove(), leading to a

leftover irq of devm_request_irq() at pci_disable_msi() in pci_remove()

when unbinding the driver from the device

remove_proc_entry: removing non-empty directory 'irq/136', leaking at

least 'firewire_ohci'

Call Trace:

? remove_proc_entry+0x19c/0x1c0

? __warn+0x81/0x130

? remove_proc_entry+0x19c/0x1c0

? report_bug+0x171/0x1a0

? console_unlock+0x78/0x120

? handle_bug+0x3c/0x80

? exc_invalid_op+0x17/0x70

? asm_exc_invalid_op+0x1a/0x20

? remove_proc_entry+0x19c/0x1c0

unregister_irq_proc+0xf4/0x120

free_desc+0x3d/0xe0

? kfree+0x29f/0x2f0

irq_free_descs+0x47/0x70

msi_domain_free_locked.part.0+0x19d/0x1d0

msi_domain_free_irqs_all_locked+0x81/0xc0

pci_free_msi_irqs+0x12/0x40

pci_disable_msi+0x4c/0x60

pci_remove+0x9

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	>= 6.5, < 6.6.24	Affected

References

Ref git.kernel.org/stable/c/318f6d53dd425c400e35f1a9b7af682c2c6a66d6 Ref git.kernel.org/stable/c/43c70cbc2502cf2557105c662eeed6a15d082b88 Ref git.kernel.org/stable/c/575801663c7dc38f826212b39e3b91a4a8661c33 Ref git.kernel.org/stable/c/318f6d53dd425c400e35f1a9b7af682c2c6a66d6 Ref git.kernel.org/stable/c/43c70cbc2502cf2557105c662eeed6a15d082b88 Ref git.kernel.org/stable/c/575801663c7dc38f826212b39e3b91a4a8661c33

Frequently Asked Questions

What is CVE-2024-35816?

CVE-2024-35816 is a medium-severity vulnerability affecting linux linux_kernel. It was published on May 17, 2024 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2024-35816?

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-2024-35816?

How can CyberStrike help with CVE-2024-35816?

CyberStrike's AI-powered security agents can automatically detect CVE-2024-35816 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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