CVE-2024-53116

MEDIUM
Published Dec 2, 2024 Modified Oct 1, 2025

Description

In the Linux kernel, the following vulnerability has been resolved: drm/panthor: Fix handling of partial GPU mapping of BOs This commit fixes the bug in the handling of partial mapping of the buffer objects to the GPU, which caused kernel warnings. Panthor didn't correctly handle the case where the partial mapping spanned multiple scatterlists and the mapping offset didn't point to the 1st page of starting scatterlist. The offset variable was not cleared after reaching the starting scatterlist. Following warning messages were seen. WARNING: CPU: 1 PID: 650 at drivers/iommu/io-pgtable-arm.c:659 __arm_lpae_unmap+0x254/0x5a0 <snip> pc : __arm_lpae_unmap+0x254/0x5a0 lr : __arm_lpae_unmap+0x2cc/0x5a0 <snip> Call trace: __arm_lpae_unmap+0x254/0x5a0 __arm_lpae_unmap+0x108/0x5a0 __arm_lpae_unmap+0x108/0x5a0 __arm_lpae_unmap+0x108/0x5a0 arm_lpae_unmap_pages+0x80/0xa0 panthor_vm_unmap_pages+0xac/0x1c8 [panthor] panthor_gpuva_sm_step_unmap+0x4c/0xc8 [panthor] op_unmap_cb.isra.23.constprop.30+0x54/0x80 __drm_gpuvm_sm_unmap+0x184/0x1c8 drm_gpuvm_sm_unmap+0x40/0x60 panthor_vm_exec_op+0xa8/0x120 [panthor] panthor_vm_bind_exec_sync_op+0xc4/0xe8 [panthor] panthor_ioctl_vm_bind+0x10c/0x170 [panthor] drm_ioctl_kernel+0xbc/0x138 drm_ioctl+0x210/0x4b0 __arm64_sys_ioctl+0xb0/0xf8 invoke_syscall+0x4c/0x110 el0_svc_common.constprop.1+0x98/0xf8 do_el0_svc+0x24/0x38 el0_svc+0x34/0xc8 el0t_64_sync_handler+0xa0/0xc8 el0t_64_sync+0x174/0x178 <snip> panthor : [drm] drm_WARN_ON(unmapped_sz != pgsize * pgcount) WARNING: CPU: 1 PID: 650 at drivers/gpu/drm/panthor/panthor_mmu.c:922 panthor_vm_unmap_pages+0x124/0x1c8 [panthor] <snip> pc : panthor_vm_unmap_pages+0x124/0x1c8 [panthor] lr : panthor_vm_unmap_pages+0x124/0x1c8 [panthor] <snip> panthor : [drm] *ERROR* failed to unmap range ffffa388f000-ffffa3890000 (requested range ffffa388c000-ffffa3890000)

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CVSS v3.1 Score

5.5
MEDIUM
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected Products

Vendor Product
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel

References

Frequently Asked Questions

What is CVE-2024-53116? +
In the Linux kernel, the following vulnerability has been resolved: drm/panthor: Fix handling of partial GPU mapping of BOs This commit fixes the bug in the handling of partial mapping of the buffer objects to the GPU, which caused kernel warnings. Panthor didn't correctly handle the case where the partial mapping spanned multiple scatterlists and the mapping offset didn't point to the 1st page of starting scatterlist. The offset variable was not cleared after reaching the starting scatterlist. Following warning messages were seen. WARNING: CPU: 1 PID: 650 at drivers/iommu/io-pgtable-arm.c:659 __arm_lpae_unmap+0x254/0x5a0 <snip> pc : __arm_lpae_unmap+0x254/0x5a0 lr : __arm_lpae_unmap+0x2cc/0x5a0 <snip> Call trace: __arm_lpae_unmap+0x254/0x5a0 __arm_lpae_unmap+0x108/0x5a0 __arm_lpae_unmap+0x108/0x5a0 __arm_lpae_unmap+0x108/0x5a0 arm_lpae_unmap_pages+0x80/0xa0 panthor_vm_unmap_pages+0xac/0x1c8 [panthor] panthor_gpuva_sm_step_unmap+0x4c/0xc8 [panthor] op_unmap_cb.isra.23.constprop.30+0x54/0x80 __drm_gpuvm_sm_unmap+0x184/0x1c8 drm_gpuvm_sm_unmap+0x40/0x60 panthor_vm_exec_op+0xa8/0x120 [panthor] panthor_vm_bind_exec_sync_op+0xc4/0xe8 [panthor] panthor_ioctl_vm_bind+0x10c/0x170 [panthor] drm_ioctl_kernel+0xbc/0x138 drm_ioctl+0x210/0x4b0 __arm64_sys_ioctl+0xb0/0xf8 invoke_syscall+0x4c/0x110 el0_svc_common.constprop.1+0x98/0xf8 do_el0_svc+0x24/0x38 el0_svc+0x34/0xc8 el0t_64_sync_handler+0xa0/0xc8 el0t_64_sync+0x174/0x178 <snip> panthor : [drm] drm_WARN_ON(unmapped_sz != pgsize * pgcount) WARNING: CPU: 1 PID: 650 at drivers/gpu/drm/panthor/panthor_mmu.c:922 panthor_vm_unmap_pages+0x124/0x1c8 [panthor] <snip> pc : panthor_vm_unmap_pages+0x124/0x1c8 [panthor] lr : panthor_vm_unmap_pages+0x124/0x1c8 [panthor] <snip> panthor : [drm] *ERROR* failed to unmap range ffffa388f000-ffffa3890000 (requested range ffffa388c000-ffffa3890000) It has a CVSS v3.1 base score of 5.5 (MEDIUM).
How severe is CVE-2024-53116? +
CVE-2024-53116 has a CVSS v3.1 score of 5.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.
What products are affected by CVE-2024-53116? +
CVE-2024-53116 affects products from linux, specifically: linux_kernel. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2024-53116? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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