{"id":"AZL-108093","summary":"CVE-2026-98389 affecting package kernel 6.6.157.1-1","details":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdgpu: skip gfx switch_power_profile during GPU reset\n\nDuring resume from GPU reset, the gfx idle work may invoke switch_power_profile\nbefore the reset completes. This causes the following assert error because the\nregister access occurs without first releasing the GPU reset semaphore:\n\n[ 1576.768935] CR2: 0000559ea133ead0 CR3: 00000002e6c42000 CR4: 0000000000350ef0\n[ 1576.768940] Call Trace:\n[ 1576.768944]  \u003cTASK\u003e\n[ 1576.768953]  amdgpu_device_rreg+0x21/0x50 [amdgpu]\n[ 1576.769158]  smu_msg_v1_send_msg+0x1a4/0x6e0 [amdgpu]\n[ 1576.769437]  smu_cmn_send_smc_msg_with_params_ext+0xba/0x120 [amdgpu]\n[ 1576.769721]  smu_cmn_send_smc_msg_with_param+0x33/0x40 [amdgpu]\n[ 1576.769993]  smu_v13_0_0_set_power_profile_mode+0x192/0x2b0 [amdgpu]\n[ 1576.770267]  smu_bump_power_profile_mode+0x5d/0x80 [amdgpu]\n[ 1576.770538]  smu_switch_power_profile+0xa4/0xf0 [amdgpu]\n[ 1576.770839]  amdgpu_dpm_switch_power_profile+0x6f/0x90 [amdgpu]\n[ 1576.771210]  amdgpu_gfx_profile_idle_work_handler+0xe9/0x130 [amdgpu]\n[ 1576.771460]  process_one_work+0x23e/0x6f0\n[ 1576.771491]  worker_thread+0x1c4/0x380\n[ 1576.771506]  kthread+0x10c/0x150\n[ 1576.771512]  ? __pfx_worker_thread+0x10/0x10\n[ 1576.771518]  ? __pfx_kthread+0x10/0x10\n[ 1576.771530]  ret_from_fork+0x314/0x390\n[ 1576.771537]  ? __pfx_kthread+0x10/0x10\n[ 1576.771546]  ret_from_fork_asm+0x1a/0x30\n\n(cherry picked from commit d93b1ff538ce9750c01e0dd0aa62575579c0fc08)","modified":"2026-10-15T14:16:41.008265301Z","published":"2026-10-14T14:17:49Z","upstream":["CVE-2026-98389"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-98389"}],"affected":[{"package":{"name":"kernel","ecosystem":"Azure Linux:3","purl":"pkg:rpm/azure-linux/kernel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"6.6.157.1-1"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-108093.json"}}],"schema_version":"1.9.0"}