In the Linux kernel, the following vulnerability has been resolved:
drm/amd/display: Fix ISM dc_lock deadlock during suspend
[Why] System hang observed during suspend/resume while video is playing. amdgpu_dm_ism_disable() is called under dc_lock and waits for ISM delayed work via disable_delayed_work_sync(). The work handlers themselves take dc_lock, producing an ABBA deadlock when a worker is in flight at suspend time.
[How] Split the disable path into two phases with opposite locking contracts: 1. amdgpu_dm_ism_disable() -- quiesces workers, must NOT hold dc_lock. 2. amdgpu_dm_ism_force_full_power() (new) -- drives the ISM FSM back to FULL_POWER_RUNNING, must hold dc_lock.
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Redhat_linux | — | No solution exists | Aug 13, 2026 | Aug 10, 2026 |
| Ubuntu | — | Upgrade linux-image-7.0.0-1017-azureUpgrade linux-image-gkeUpgrade linux-image-aws-64k-7.0Upgrade linux-image-azureUpgrade linux-image-7.0.0-1016-azure-fdeUpgrade linux-image-7.0.0-1013-oracle-64kUpgrade linux-image-7.0.0-38-realtime-64kUpgrade linux-image-realtime-7.0Upgrade linux-image-genericUpgrade linux-image-7.0.0-1013-oracleUpgrade linux-image-generic-64kUpgrade linux-image-oem-26.04Upgrade linux-image-aws-7.0Upgrade linux-image-ibm-7.0Upgrade linux-image-azure-lts-26.04Upgrade linux-image-gke-64k-hwe-26.04Upgrade linux-image-realtime-64k-7.0Upgrade linux-image-gke-64k-7.0Upgrade linux-image-generic-64k-hwe-26.04Upgrade linux-image-gke-64kUpgrade linux-image-realtimeUpgrade linux-image-realtime-64kUpgrade linux-image-oem-26.04aUpgrade linux-image-gke-7.0Upgrade linux-image-gcp-64k-7.0Upgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-7.0.0-38-realtimeUpgrade linux-image-gcp-64kUpgrade linux-image-awsUpgrade linux-image-oracleUpgrade linux-image-7.0.0-1008-gkeUpgrade linux-image-azure-fde-lts-26.04Upgrade linux-image-oracle-7.0Upgrade linux-image-oracle-64kUpgrade linux-image-7.0.0-1008-gke-64kUpgrade linux-image-generic-7.0Upgrade linux-image-virtualUpgrade linux-image-realtime-64k-hwe-26.04Upgrade linux-image-virtual-hwe-24.04Upgrade linux-image-generic-hwe-24.04Upgrade linux-image-virtual-7.0Upgrade linux-image-generic-64k-7.0Upgrade linux-image-virtual-hwe-26.04Upgrade linux-image-7.0.0-1015-oemUpgrade linux-image-oracle-64k-7.0Upgrade linux-image-ibmUpgrade linux-image-7.0.0-1014-gcpUpgrade linux-image-7.0.0-38-genericUpgrade linux-image-oem-7.0Upgrade linux-image-gcpUpgrade linux-image-azure-fdeUpgrade linux-image-realtime-hwe-26.04Upgrade linux-image-azure-7.0Upgrade linux-image-azure-fde-7.0Upgrade linux-image-7.0.0-1014-gcp-64kUpgrade linux-image-7.0.0-1014-aws-64kUpgrade linux-image-7.0.0-1014-awsUpgrade linux-image-generic-hwe-26.04Upgrade linux-image-aws-64kUpgrade linux-image-7.0.0-1015-ibmUpgrade linux-image-gcp-7.0Upgrade linux-image-gke-hwe-26.04Upgrade linux-image-7.0.0-38-generic-64k | Oct 7, 2026 | Oct 6, 2026 |
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