# CVE-2026-98389: drm/amdgpu: skip gfx switch_power_profile during GPU reset

CVE-2026-98389 is fixed in linux on 1 platform by DEBIAN-CVE-2026-98389 (version 7.2.7-1), released October 16, 2026. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2026-98389
- Priority: Routine
- CVSS: 4.1 (Moderate)
- EPSS: 0.0020
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Oct 14, 2026
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-98389

## Description

In the Linux kernel, the following vulnerability has been resolved:  drm/amdgpu: skip gfx switch_power_profile during GPU reset  During resume from GPU reset, the gfx idle work may invoke switch_power_profile before the reset completes. This causes the following assert error because the register access occurs without first releasing the GPU reset semaphore:  [ 1576.768935] CR2: 0000559ea133ead0 CR3: 00000002e6c42000 CR4: 0000000000350ef0 [ 1576.768940] Call Trace: [ 1576.768944]  <TASK> [ 1576.768953]  amdgpu_device_rreg+0x21/0x50 [amdgpu] [ 1576.769158]  smu_msg_v1_send_msg+0x1a4/0x6e0 [amdgpu] [ 1576.769437]  smu_cmn_send_smc_msg_with_params_ext+0xba/0x120 [amdgpu] [ 1576.769721]  smu_cmn_send_smc_msg_with_param+0x33/0x40 [amdgpu] [ 1576.769993]  smu_v13_0_0_set_power_profile_mode+0x192/0x2b0 [amdgpu] [ 1576.770267]  smu_bump_power_profile_mode+0x5d/0x80 [amdgpu] [ 1576.770538]  smu_switch_power_profile+0xa4/0xf0 [amdgpu] [ 1576.770839]  amdgpu_dpm_switch_power_profile+0x6f/0x90 [amdgpu] [ 1576.771210]  amdgpu_gfx_profile_idle_work_handler+0xe9/0x130 [amdgpu] [ 1576.771460]  process_one_work+0x23e/0x6f0 [ 1576.771491]  worker_thread+0x1c4/0x380 [ 1576.771506]  kthread+0x10c/0x150 [ 1576.771512]  ? __pfx_worker_thread+0x10/0x10 [ 1576.771518]  ? __pfx_kthread+0x10/0x10 [ 1576.771530]  ret_from_fork+0x314/0x390 [ 1576.771537]  ? __pfx_kthread+0x10/0x10 [ 1576.771546]  ret_from_fork_asm+0x1a/0x30  (cherry picked from commit d93b1ff538ce9750c01e0dd0aa62575579c0fc08)

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | linux Debian 14 | 7.2.7-1 | [DEBIAN-CVE-2026-98389](https://patchblox.com/security/data/fix/linux/debian-cve-2026-98389.md) | Oct 16, 2026 |

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Data as of 2026-11-09T01:18:40Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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