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Linux Kernel EUVDEUVD-2025-201635

| CVE-2025-40310
2025-12-08 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Lifecycle Timeline

4
Patch released
Mar 16, 2026 - 15:00 nvd
Patch available
EUVD ID Assigned
Mar 15, 2026 - 17:54 euvd
EUVD-2025-201635
Analysis Generated
Mar 15, 2026 - 17:54 vuln.today
CVE Published
Dec 08, 2025 - 01:16 nvd
N/A

DescriptionCVE.org

In the Linux kernel, the following vulnerability has been resolved:

amd/amdkfd: resolve a race in amdgpu_amdkfd_device_fini_sw

There is race in amdgpu_amdkfd_device_fini_sw and interrupt. if amdgpu_amdkfd_device_fini_sw run in b/w kfd_cleanup_nodes and kfree(kfd), and KGD interrupt generated.

kernel panic log:

BUG: kernel NULL pointer dereference, address: 0000000000000098 amdgpu 0000:c8:00.0: amdgpu: Requesting 4 partitions through PSP

PGD d78c68067 P4D d78c68067

kfd kfd: amdgpu: Allocated 3969056 bytes on gart

PUD 1465b8067 PMD @

Oops: @002 [#1] SMP NOPTI

kfd kfd: amdgpu: Total number of KFD nodes to be created: 4 CPU: 115 PID: @ Comm: swapper/115 Kdump: loaded Tainted: G S W OE K

RIP: 0010:_raw_spin_lock_irqsave+0x12/0x40

Code: 89 e@ 41 5c c3 cc cc cc cc 66 66 2e Of 1f 84 00 00 00 00 00 OF 1f 40 00 Of 1f 44% 00 00 41 54 9c 41 5c fa 31 cO ba 01 00 00 00 <fO> OF b1 17 75 Ba 4c 89 e@ 41 Sc

89 c6 e8 07 38 5d

RSP: 0018: ffffc90@1a6b0e28 EFLAGS: 00010046

RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000018 0000000000000001 RSI: ffff8883bb623e00 RDI: 0000000000000098 ffff8883bb000000 RO8: ffff888100055020 ROO: ffff888100055020 0000000000000000 R11: 0000000000000000 R12: 0900000000000002 ffff888F2b97da0@ R14: @000000000000098 R15: ffff8883babdfo00

CS: 010 DS: 0000 ES: 0000 CRO: 0000000080050033

CR2: 0000000000000098 CR3: 0000000e7cae2006 CR4: 0000000002770ce0 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 0000000000000000 DR6: 00000000fffeO7FO DR7: 0000000000000400

PKRU: 55555554

Call Trace:

<IRQ>

kgd2kfd_interrupt+@x6b/0x1f@ [amdgpu]

? amdgpu_fence_process+0xa4/0x150 [amdgpu]

kfd kfd: amdgpu: Node: 0, interrupt_bitmap: 3 YcpxFl Rant tErace

amdgpu_irq_dispatch+0x165/0x210 [amdgpu]

amdgpu_ih_process+0x80/0x100 [amdgpu]

amdgpu: Virtual CRAT table created for GPU

amdgpu_irq_handler+0x1f/@x60 [amdgpu]

__handle_irq_event_percpu+0x3d/0x170

amdgpu: Topology: Add dGPU node [0x74a2:0x1002]

handle_irq_event+0x5a/@xcO

handle_edge_irq+0x93/0x240

kfd kfd: amdgpu: KFD node 1 partition @ size 49148M

asm_call_irq_on_stack+0xf/@x20

</IRQ>

common_interrupt+0xb3/0x130

asm_common_interrupt+0x1le/0x40

5.10.134-010.a1i5000.a18.x86_64 #1

Analysis

In the Linux kernel, the following vulnerability has been resolved:

amd/amdkfd: resolve a race in amdgpu_amdkfd_device_fini_sw

There is race in amdgpu_amdkfd_device_fini_sw and interrupt. if amdgpu_amdkfd_device_fini_sw run in b/w kfd_cleanup_nodes and kfree(kfd), and KGD interrupt generated.

kernel panic log:

BUG: kernel NULL pointer dereference, address: 0000000000000098 amdgpu 0000:c8:00.0: amdgpu: Requesting 4 partitions through PSP

PGD d78c68067 P4D d78c68067

kfd kfd: amdgpu: Allocated 3969056 bytes on gart

PUD 1465b8067 PMD @

Oops: @002 [#1] SMP NOPTI

kfd kfd: amdgpu: Total number of KFD nodes to be created: 4 CPU: 115 PID: @ Comm: swapper/115 Kdump: loaded Tainted: G S W OE K

RIP: 0010:_raw_spin_lock_irqsave+0x12/0x40

Code: 89 e@ 41 5c c3 cc cc cc cc 66 66 2e Of 1f 84 00 00 00 00 00 OF 1f 40 00 Of 1f 44% 00 00 41 54 9c 41 5c fa 31 cO ba 01 00 00 00 <fO> OF b1 17 75 Ba 4c 89 e@ 41 Sc

89 c6 e8 07 38 5d

RSP: 0018: ffffc90@1a6b0e28 EFLAGS: 00010046

RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000018 0000000000000001 RSI: ffff8883bb623e00 RDI: 0000000000000098 ffff8883bb000000 RO8: ffff888100055020 ROO: ffff888100055020 0000000000000000 R11: 0000000000000000 R12: 0900000000000002 ffff888F2b97da0@ R14: @000000000000098 R15: ffff8883babdfo00

CS: 010 DS: 0000 ES: 0000 CRO: 0000000080050033

CR2: 0000000000000098 CR3: 0000000e7cae2006 CR4: 0000000002770ce0 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 0000000000000000 DR6: 00000000fffeO7FO DR7: 0000000000000400

PKRU: 55555554

Call Trace:

<IRQ>

kgd2kfd_interrupt+@x6b/0x1f@ [amdgpu]

? amdgpu_fence_process+0xa4/0x150 [amdgpu]

kfd kfd: amdgpu: Node: 0, interrupt_bitmap: 3 YcpxFl Rant tErace

amdgpu_irq_dispatch+0x165/0x210 [amdgpu]

amdgpu_ih_process+0x80/0x100 [amdgpu]

amdgpu: Virtual CRAT table created for GPU

amdgpu_irq_handler+0x1f/@x60 [amdgpu]

__handle_irq_event_percpu+0x3d/0x170

amdgpu: Topology: Add dGPU node [0x74a2:0x1002]

handle_irq_event+0x5a/@xcO

handle_edge_irq+0x93/0x240

kfd kfd: amdgpu: KFD node 1 partition @ size 49148M

asm_call_irq_on_stack+0xf/@x20

</IRQ>

common_interrupt+0xb3/0x130

asm_common_interrupt+0x1le/0x40

5.10.134-010.a1i5000.a18.x86_64 #1

Technical ContextAI

A NULL pointer dereference occurs when the application attempts to use a pointer that has not been initialized or has been set to NULL.

RemediationAI

Add NULL checks before pointer dereference operations. Use static analysis to identify potential NULL pointer issues. Enable compiler warnings.

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EUVD-2025-201635 vulnerability details – vuln.today

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