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CVE-2026-68248

kernel: drm/i915: Return NULL on error in active_instance

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Severity

Moderate

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · August 10, 2026

Updated · October 30, 2026

Description

A flaw was found in the Linux kernel's drm/i915 graphics driver. This vulnerability occurs when the system experiences an Out-Of-Memory (OOM) condition during a specific memory allocation. An attacker could potentially trigger this condition, leading to an improper return value and causing a system crash, resulting in a Denial of Service (DoS).

Statement

This issue affects Intel i915 active_instance on OOM. Returns address of NULL node container during GFP_ATOMIC allocation failure. Systems without Intel graphics are not affected.

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

To mitigate this issue, prevent the i915 module from loading. See https://access.redhat.com/solutions/41278 for instructions.

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-476 · NULL Pointer Dereference