CVE-2026-68105None▾ Sunlit

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Fix kernel panic during driver load failure Avoid kernel panic if MES init fails during driver load

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Fix kernel panic during driver load failure Avoid kernel panic if MES init fails during driver load. The KIQ ring is falsely marked as ready as ASICs that …

▾ Sunlit zone — Low / medium · no exploitation signal

Depth score3/ 100 · Minimal

impact 2.8 · likelihood 0 · exploitation 0

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Proof of concept

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Published

Aug 10, 2026

Updated

Oct 15, 2026

CVSS

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Vendor

Linux

Product

Linux

CWE

—

Depth score

3 · Minimal

EPSS

0.17% · p6

Platforms

—

Source

NVD

Vector

—

EPSS history

Exploit-prediction probability, daily snapshots since Oct 15.

0.2% → 0.2%

Timeline

Disclosure to exploitation, from the record and what we observed since indexing it.

4 events · 74 days

Aug 10, 2026Published
Disclosed via NVD
Oct 15, 2026Record revised
Last analysed / modified upstream
Oct 15, 2026EPSS first tracked
0.2%
Oct 23, 2026EPSS peak
0.2% → 0.2%

Linux #nvd #cve.org

Affected

Linux >= 52cb80c12e8a647aa9c903903d58916e6c1c4d38 < f7e744bac9a720740a60d19319e8e5ed5e5c3c76
Linux >= 52cb80c12e8a647aa9c903903d58916e6c1c4d38 < 5bc93f907bad7e076d814664dfab8fc230efca3d
Linux >= 52cb80c12e8a647aa9c903903d58916e6c1c4d38 < a279bd143b3c184358b658e43a057e31ee8c4de5
Linux 6.11

Full technical detail▾

Overview

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

drm/amdgpu: Fix kernel panic during driver load failure

Avoid kernel panic if MES init fails during driver load. The KIQ ring is falsely marked as ready as ASICs that use MES, KIQ is owned by MES.

BUG: kernel NULL pointer dereference, address: 0000000000000000 RIP: 0010:gfx_v12_1_wait_reg_mem+0x5a/0x1f0 [amdgpu] Call Trace: gfx_v12_1_ring_emit_reg_write_reg_wait+0x1f/0x30 [amdgpu] amdgpu_gmc_fw_reg_write_reg_wait+0xb2/0x190 [amdgpu] amdgpu_gmc_flush_gpu_tlb+0x1cc/0x230 [amdgpu] amdgpu_gart_invalidate_tlb+0x81/0xa0 [amdgpu] amdgpu_gart_unbind+0x72/0x90 [amdgpu] amdgpu_ttm_backend_unbind+0xa4/0xb0 [amdgpu] amdgpu_ttm_tt_unpopulate+0x13/0xd0 [amdgpu] amdttm_tt_unpopulate+0x29/0x70 [amdttm] ttm_bo_put+0x1eb/0x360 [amdttm] amdgpu_bo_free_kernel+0xf9/0x1f0 [amdgpu] amdgpu_ih_ring_fini+0x5a/0x90 [amdgpu] amdgpu_irq_fini_hw+0x58/0x80 [amdgpu] amdgpu_device_fini_hw+0x4e0/0x5b0 [amdgpu] amdgpu_driver_load_kms+0x60/0xa0 [amdgpu] amdgpu_pci_probe+0x28e/0x6d0 [amdgpu] pci_device_probe+0x19f/0x220 really_probe+0x1ed/0x340 driver_probe_device+0x1e/0x80 __driver_attach+0xd3/0x1a0 bus_for_each_dev+0x68/0xa0 bus_add_driver+0x19f/0x270 driver_register+0x5d/0xf0 do_one_initcall+0xac/0x200 do_init_module+0x1ec/0x280 __se_sys_finit_module+0x2de/0x310 do_syscall_64+0x6a/0x250 entry_SYSCALL_64_after_hwframe+0x4b/0x53

(cherry picked from commit 4623b958dd6da0f4c3026afdf330626a09ecb0f0)

Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.

References

Related vulnerabilities

Connected by shared product, vendor, weakness, or advisory.

#nvd#cve.org