CVE-2024-46730

kernel: drm/amd/display: Ensure array index tg_inst won't be -1

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Severity

Moderate

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · September 18, 2024

Updated · September 13, 2026

Description

A flaw was found in the drm/amd/display component of the Linux kernel. This vulnerability occurs when the timing_generator_count is zero, leading to a negative value for the tg_inst array index. This improper handling of the array index can result in an out-of-bounds write (overrun), potentially causing a system crash or denial of service.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CWE-191 · Integer Underflow (Wrap or Wraparound)