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CVE-2024-53219

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: virtiofs: use pages instead of pointer for kernel direct IO When trying to insert a 10MB kernel module kept in a virtio-fs with…

Published Dec 27, 2024EPSS 0.22%

Overview

CVE-2024-53219 is a medium-severity vulnerability. It was published on December 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:

virtiofs: use pages instead of pointer for kernel direct IO

When trying to insert a 10MB kernel module kept in a virtio-fs with cache

disabled, the following warning was reported:

------------[ cut here ]------------

WARNING: CPU: 1 PID: 404 at mm/page_alloc.c:4551 ......

Modules linked in:

CPU: 1 PID: 404 Comm: insmod Not tainted 6.9.0-rc5+ #123

Hardware name: QEMU Standard PC (i440FX + PIIX, 1996) ......

RIP: 0010:__alloc_pages+0x2bf/0x380

......

Call Trace:

<TASK>

? __warn+0x8e/0x150

? __alloc_pages+0x2bf/0x380

__kmalloc_large_node+0x86/0x160

__kmalloc+0x33c/0x480

virtio_fs_enqueue_req+0x240/0x6d0

virtio_fs_wake_pending_and_unlock+0x7f/0x190

queue_request_and_unlock+0x55/0x60

fuse_simple_request+0x152/0x2b0

fuse_direct_io+0x5d2/0x8c0

fuse_file_read_iter+0x121/0x160

__kernel_read+0x151/0x2d0

kernel_read+0x45/0x50

kernel_read_file+0x1a9/0x2a0

init_module_

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/2bc07714dc955a91d2923a440ea02c3cb3376b10Refgit.kernel.org/stable/c/41748675c0bf252b3c5f600a95830f0936d366c1Refgit.kernel.org/stable/c/9a8fde56d4b6d51930936ed50f6370a9097328d1

How CyberStrike helps

Frequently asked questions

What is CVE-2024-53219?

CVE-2024-53219 is a medium-severity vulnerability. It was published on December 27, 2024 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2024-53219?

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-2024-53219?

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-2024-53219?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-53219 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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