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CVE-2024-53116

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: drm/panthor: Fix handling of partial GPU mapping of BOs This commit fixes the bug in the handling of partial mapping of the buf…

Published Dec 2, 2024EPSS 0.20%

Overview

CVE-2024-53116 is a medium-severity vulnerability. It was published on December 2, 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:

drm/panthor: Fix handling of partial GPU mapping of BOs

This commit fixes the bug in the handling of partial mapping of the

buffer objects to the GPU, which caused kernel warnings.

Panthor didn't correctly handle the case where the partial mapping

spanned multiple scatterlists and the mapping offset didn't point

to the 1st page of starting scatterlist. The offset variable was

not cleared after reaching the starting scatterlist.

Following warning messages were seen.

WARNING: CPU: 1 PID: 650 at drivers/iommu/io-pgtable-arm.c:659 __arm_lpae_unmap+0x254/0x5a0

<snip>

pc : __arm_lpae_unmap+0x254/0x5a0

lr : __arm_lpae_unmap+0x2cc/0x5a0

<snip>

Call trace:

__arm_lpae_unmap+0x254/0x5a0

__arm_lpae_unmap+0x108/0x5a0

__arm_lpae_unmap+0x108/0x5a0

__arm_lpae_unmap+0x108/0x5a0

arm_lpae_unmap_pages+0x80/0xa0

panthor_vm_unmap_pages+0xac/0x1c8 [panthor]

panthor_gpuva_sm_step_unmap+0x4c/0xc8 [panthor]

op_unmap_cb.isra.23.const

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/3387e043918e154ca08d83954966a8b087fe2835Refgit.kernel.org/stable/c/d3e61af64b770e0038470c81f42bd1d0598f6bcc

How CyberStrike helps

Frequently asked questions

What is CVE-2024-53116?

CVE-2024-53116 is a medium-severity vulnerability. It was published on December 2, 2024 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2024-53116?

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-2024-53116?

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-2024-53116?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-53116 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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