CVE-2024-46813: drm/amd/display: Check link_index before accessing dc->links[]

Published Sep 27, 2024
·
Updated

In the Linux kernel, the following vulnerability has been resolved:

drm/amd/display: Check linkindex before accessing dc->links[]

[WHY & HOW] dc->links[] has max size of MAXLINKS and NULL is return when trying to access with out-of-bound index.

This fixes 3 OVERRUN and 1 RESOURCELEAK issues reported by Coverity.

Affected Software

4 affected componentsFixes available
Linux Linux kernel<6.10.9
debian/linux<=5.10.223-1, <=5.10.234-1, <=6.1.129-1, <=6.1.135-1
6.12.25-16.12.27-1
Linux Linux kernel<6.6.87
Linux Linux kernel>=6.7<6.10.9

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade debian/linux to a version that resolves this vulnerability.

    Fixed in 6.12.25-1Fixed in 6.12.27-1

Event History

Sep 27, 2024
CVE Published
via MITRE·12:35 PM
Data Sourced
via MITRE·12:35 PM
DescriptionSeverity
Data Sourced
via NVD·01:15 PM
RemedyDescriptionSeverityWeaknessAffected Software
Apr 27, 2025
Data Sourced
via Ubuntu·08:55 PM
RemedyDescriptionSeverityAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2024-46813?

CVE-2024-46813 is classified as a critical vulnerability in the Linux kernel, specifically affecting the AMD display driver.

2

How do I fix CVE-2024-46813?

To resolve CVE-2024-46813, update the Linux kernel to version 6.12.11-1 or later if you are using Debian.

3

Which versions of the Linux kernel are affected by CVE-2024-46813?

CVE-2024-46813 affects Linux kernel versions prior to 6.10.9, including certain versions of 5.10 and 6.1.

4

What types of vulnerabilities does CVE-2024-46813 address?

CVE-2024-46813 addresses out-of-bounds access issues that can lead to resource overrun vulnerabilities.

5

Is CVE-2024-46813 specific to any particular operating system?

CVE-2024-46813 primarily affects distributions that utilize the Linux kernel, particularly Debian-based systems.

Contact

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