CVE-2024-27040
kernel: drm/amd/display: Add 'replay' NULL check in 'edp_set_replay_allow_active()'
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · May 1, 2024
Updated · November 21, 2025
Description
A vulnerability was found in the Linux kernel's AMD link_edp_panel_control.c driver in the edp_set_replay_allow_active() function, where a NULL pointer dereference can occur due to a lack of proper checks. This issue can happen when the function fails to check whether the replay structure is NULL before attempting to access the function replay->funcs->replay_set_power_opt(), and can lead to memory corruption or system instability.
Statement
Red Hat Enterprise Linux is not impacted by this CVE, as the vulnerability in question does not affect the specific versions or configurations of the Linux kernel used in its distributions. This ensures that users of Red Hat Enterprise Linux are not exposed to the potential risks associated with this issue, and no further action or mitigation is necessary for systems running this operating system.
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
Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
CVSS / CWE
CVSS 3.1 · 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE not specified