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Xen PV Guest Non-SELFSNOOP CPU Memory Corruption Exploit
[ 0Day-ID-37832 ]
Full title
Xen PV Guest Non-SELFSNOOP CPU Memory Corruption Exploit
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Category
Platform
Verified
Price
free
Risk
[Security Risk Medium
]Rel. releases
Description
On CPUs without SELFSNOOP support, a Xen PV domain that has access to a PCI device (which grants the domain the ability to set arbitrary cache attributes on all its pages) can trick Xen into validating an L2 pagetable that contains a cacheline that is marked as clean in the cache but actually differs from main memory. After the pagetable has been validated, an attacker can flush the "clean" cacheline, such that on the next load, unvalidated data from main memory shows up in the pagetable.
CVE
CVE-2022-26364
Other Information
Abuses
0
Comments
0
Views
8 798
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free
Open Exploit
You can open this source code for free
You can open this source code for free
Verified by 0day Admin
Verified by 0day Admin
This material is checked by Administration and absolutely workable.
This material is checked by Administration and absolutely workable.
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