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FreeBSD: VID-56D76414-6B50-11EF-9A62-002590C1F29C (CVE-2024-41928): FreeBSD -- bhyve(8) privileged guest escape via TPM device passthrough

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FreeBSD: VID-56D76414-6B50-11EF-9A62-002590C1F29C (CVE-2024-41928): FreeBSD -- bhyve(8) privileged guest escape via TPM device passthrough

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
09/04/2024
Created
09/10/2024
Added
09/06/2024
Modified
09/06/2024

Description

Malicious software running in a guest VM can exploit the buffer overflow to achieve code execution on the host in the bhyve userspace process, which typically runs as root. Note that bhyve runs in a Capsicum sandbox, so malicious code is constrained by the capabilities available to the bhyve process.

Solution(s)

  • freebsd-upgrade-base-14_0-release-p10
  • freebsd-upgrade-base-14_1-release-p4

References

  • CVE-2024-41928

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