CVE-2024-41085

5.5 · MEDIUM

Published Jul 29, 2024 linux CWE-476 EPSS 0.21% (11th pctl) CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Overview

CVE-2024-41085 is a medium-severity vulnerability affecting linux linux_kernel. It was published on July 29, 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:

cxl/mem: Fix no cxl_nvd during pmem region auto-assembling

When CXL subsystem is auto-assembling a pmem region during cxl

endpoint port probing, always hit below calltrace.

BUG: kernel NULL pointer dereference, address: 0000000000000078

#PF: supervisor read access in kernel mode

#PF: error_code(0x0000) - not-present page

RIP: 0010:cxl_pmem_region_probe+0x22e/0x360 [cxl_pmem]

Call Trace:

<TASK>

? __die+0x24/0x70

? page_fault_oops+0x82/0x160

? do_user_addr_fault+0x65/0x6b0

? exc_page_fault+0x7d/0x170

? asm_exc_page_fault+0x26/0x30

? cxl_pmem_region_probe+0x22e/0x360 [cxl_pmem]

? cxl_pmem_region_probe+0x1ac/0x360 [cxl_pmem]

cxl_bus_probe+0x1b/0x60 [cxl_core]

really_probe+0x173/0x410

? __pfx___device_attach_driver+0x10/0x10

__driver_probe_device+0x80/0x170

driver_probe_device+0x1e/0x90

__device_attach_driver+0x90/0x120

bus_for_each_drv+0x84/0xe0

__device_attach+0xbc/0x1f0

bus_probe

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	>= 6.2, < 6.9.8	Affected

References

Ref git.kernel.org/stable/c/1d064e4fbebcf5b18dc10c1f3973487eb163b600 Ref git.kernel.org/stable/c/84ec985944ef34a34a1605b93ce401aa8737af96 Ref git.kernel.org/stable/c/1d064e4fbebcf5b18dc10c1f3973487eb163b600 Ref git.kernel.org/stable/c/84ec985944ef34a34a1605b93ce401aa8737af96

Frequently Asked Questions

What is CVE-2024-41085?

CVE-2024-41085 is a medium-severity vulnerability affecting linux linux_kernel. It was published on July 29, 2024 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2024-41085?

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-2024-41085?

How can CyberStrike help with CVE-2024-41085?

CyberStrike's AI-powered security agents can automatically detect CVE-2024-41085 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.

How CyberStrike Helps

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HackBrowser

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