HighFix available
drm/amdkfd: don't allow mapping the MMIO HDP page with large pages
Type: advisorySources: OSV
In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: don't allow mapping the MMIO HDP page with large pages We don't get the right offset in that case. The GPU has an unused 4K area of the register BAR space into which you can remap registers. We remap the HDP flush registers into this space to allow userspace (CPU or GPU) to flush the HDP when it updates VRAM. However, on systems with >4K pages, we end up exposing PAGE_SIZE of MMIO space.
- Products
- Kernel
- Affected versions
- Not specified
- Fixed versions
- 5.10.225, 5.15.166, 5.4.283, 6.1.91, 6.6.31, 6.8.10
- CVEs
- CVE-2024-41011
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 7 Nov 2026, 08:04 UTC · Revision 1
Source evidence
drm/amdkfd: don't allow mapping the MMIO HDP page with large pages
core-osv · Original sourcePublished 18 Jul 2024, 07:04 UTC
In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: don't allow mapping the MMIO HDP page with large pages We don't get the right offset in that case. The GPU has an unused 4K area of the register BAR space into which you can remap registers. We remap the HDP flush registers into this space to allow userspace (CPU or GPU) to flush the HDP when it updates VRAM. However, on systems with >4K pages, we end up exposing PAGE_SIZE of MMIO space.
osv:CVE-2024-41011
Kernel
Fixed versions: 5.4.283, 5.10.225, 5.15.166, 6.1.91, 6.6.31, 6.8.10
Complete source record
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"title": "drm/amdkfd: don't allow mapping the MMIO HDP page with large pages",
"summary": "In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: don't allow mapping the MMIO HDP page with large pages We don't get the right offset in that case. The GPU has an unused 4K area of the register BAR space into which you can remap registers. We remap the HDP flush registers into this space to allow userspace (CPU or GPU) to flush the HDP when it updates VRAM. However, on systems with >4K pages, we end up exposing PAGE_SIZE of MMIO space.",
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"modified": "2026-10-28T02:30:50.407231954Z",
"provider": "osv",
"references": [
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"https://lists.debian.org/debian-lts-announce/2024/10/msg00003.html",
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"source_id": "core-osv",
"document_id": 518703,
"published_at": "2024-07-18T07:04:04.823+00:00"
}