CVE-2026-98783
kernel: drm/mediatek: Add missing IS_ERR check for ovl_adaptor platform device
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · October 18, 2026
Updated · October 23, 2026
Description
A flaw was found in the Linux kernel's MediaTek DRM (Direct Rendering Manager) driver. The driver fails to verify whether the display overlay adaptor platform device is successfully registered during initialization. If the registration fails, the system attempts to use an invalid memory pointer, leading to a kernel crash and a Denial of Service (DoS).
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 · 4.1CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H
CWE-252 · Unchecked Return Value