CVE-2025-40310

EPSS 0.0%
  • Published: 2025-12-08T01:16:03.347

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 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:

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

common_interrupt+0xb3/0x130

asm_common_interrupt+0x1le/0x40

5.10.134-010.a1i5000.a18.x86_64 #1

Related CVE by CWE

No related CWE found.

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How to fix CVE-2025-40310

CVE-2025-40310 is a unknown severity vulnerability affecting the affected product.

Description: 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 […]

Exploit Difficulty: HARD
⏱️ Time to exploit: > 4 hours
🛠️ Required skills: Advanced security expertise
💰 Public exploits: Rare or not public

How to Fix:

1 Identify affected systems

- Check if you're running the affected product

2 Immediate actions

- Update to the latest patched version
- If patching is not immediately possible: restrict network exposure, apply least-privilege access

3 Verification

- Test the fix in a staging environment first
- Review logs for signs of exploitation
- Monitor for IOCs (Indicators of Compromise)

4 Long-term prevention

- Enable automatic security updates
- Set up vulnerability monitoring
- Review and harden security configurations

Exploit Difficulty Assessment

HARD
⏱️ Time to Exploit: > 4 hours
🛠️ Skills Required: Advanced security expertise
💰 Public Exploits: Rare or not public

Vulnerability Timeline

Dec 08, 2025
Vulnerability Published

CVE details first published to NVD database

Dec 08, 2025
Imported to Database

Added to this CVE tracking system

Detection Rules & IOCs

No specific detection rules generated for this vulnerability type.

No vendor/product data available.