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A NULL pointer dereference vulnerability in the Linux kernel's drm/amd/ras component was fixed, addressing a flaw where ras_core could be NULL and accessed improperly. This issue was resolved in Linux kernel versions 7.0.0 and later. The vulnerability has a medium severity score and does not impact confidentiality or integrity but can cause denial of service via system crash. Multiple Linux kernel security issues were addressed in the same update, including fixes for AMD Zen 2 processor resource isolation. The vendor has released patches for affected versions and recommends updating and rebooting to apply fixes.

CVE-2026-53316 is a vulnerability in the Linux kernel's drm/amd/ras subsystem where a NULL pointer dereference occurs in the function ras_core_ras_interrupt_detected() when ras_core is NULL and ras_core->dev is accessed in the error path. This flaw can lead to a denial of service condition by crashing the system. The issue was reported by Dan Carpenter and fixed in Linux kernel versions 7.0.0 and later. The vendor advisory from Ubuntu confirms that patches are available and that a system reboot is required after updating. The advisory also notes a broad set of other kernel vulnerabilities fixed in the same update, including issues affecting AMD Zen 2 processors. The CVSS v3.1 score is 5.5 (medium severity) with vector AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H, indicating local attack vector, low complexity, low privileges required, no user interaction, unchanged scope, no confidentiality or integrity impact, and high impact on availability.

Detailed information about UBUNTU-CVE-2026-53316 affecting null linux-hwe-edge. Get real-time updates, technical details, and mitigation strategies.

UBUNTU-CVE-2026-53316 - Live Threat Intelligence - Threat Radar | OffSeq.com

Linux hwe edge: In the Linux kernel, the following vulnerability has been resolved: drm/amd/ras: Fix NULL deref in ras_core_ras_interrupt_detected() Fixes a NULL… (CVE-2026-53316)

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