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Vulnerability Details CVE-2024-46794

In the Linux kernel, the following vulnerability has been resolved: x86/tdx: Fix data leak in mmio_read() The mmio_read() function makes a TDVMCALL to retrieve MMIO data for an address from the VMM. Sean noticed that mmio_read() unintentionally exposes the value of an initialized variable (val) on the stack to the VMM. This variable is only needed as an output value. It did not need to be passed to the VMM in the first place. Do not send the original value of *val to the VMM. [ dhansen: clarify what 'val' is used for. ]
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 5.1%
CVSS Severity
CVSS v3 Score 3.3
Products affected by CVE-2024-46794


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