CVE-2024-41011
drm/amdkfd: don't allow mapping the MMIO HDP page with large pages
Description
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.
No summary for this CVE yet.
CVSS Vector Breakdown
Exploitability
AV:LAttack VectorLocal
AC:LAttack ComplexityLow
PR:LPrivileges RequiredLow
UI:NUser InteractionNone
Scope
S:UScopeUnchanged
Impact
C:HConfidentialityHigh
I:HIntegrityHigh
A:HAvailabilityHigh
Weaknesses
Affected Products
Сообщество свободного программного обеспечения
oss-projectaka fsf
Linux
oss-projectaka the linux kernel
ООО «Инновационные Технологии в Бизнесе»
commercial·RUaka emias os
ООО «Ред Софт»
commercial·RUaka red soft
ООО «РусБИТех-Астра»
commercial·RUaka rusbitech-astra
АО «ИВК»
commercial·RUaka ivk
and 3 more affected products View all →
Exploitability
Official Patch Available
References
https://git.kernel.org/stable/c/009c4d78bcf07c4ac2e3dd9f275b4eaa72b4f884
git.kernel.org
https://git.kernel.org/stable/c/f7276cdc1912325b64c33fcb1361952c06e55f63
git.kernel.org
https://git.kernel.org/stable/c/8ad4838040e5515939c071a0f511ce2661a0889d
git.kernel.org
and 34 more references View all →
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