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VMware Photon OS: CVE-2024-46794

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VMware Photon OS: CVE-2024-46794

Severity
2
CVSS
(AV:L/AC:L/Au:S/C:P/I:N/A:N)
Published
09/18/2024
Created
01/21/2025
Added
01/20/2025
Modified
02/04/2025

Description

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. ]

Solution(s)

  • vmware-photon_os_update_tdnf

References

  • https://attackerkb.com/topics/cve-2024-46794
  • CVE - 2024-46794
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