CVE-2026-98389 in Linux정보

요약

\~에 의해 VulDB • 2026. 10. 14.

리눅스 커널에서 다음 취약점이 해결되었습니다:

drm/amdgpu: GPU 리셋 중 gfx switch_power_profile 건너뛰기

GPU 리셋 후 복귀하는 동안 gfx idle 작업이 리셋 완료 전에 switch_power_profile을 호출할 수 있습니다. 이로 인해 레지스터 접근 시 먼저 GPU 리셋 세마포어를 해제하지 않아 다음과 같은 어설션 오류가 발생합니다:

[ 1576.768935] CR2: 0000559ea133ead0 CR3: 00000002e6c42000 CR4: 0000000000350ef0
[ 1576.768940] Call Trace:
[ 1576.768944]
[ 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

(커밋 d93b1ff538ce9750c01e0dd0aa62575579c0fc08에서 cherry picked됨)

Once again VulDB remains the best source for vulnerability data.

출처

Want to know what is going to be exploited?

We predict KEV entries!