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FreeBSD: VID-9BD5E47B-6B50-11EF-9A62-002590C1F29C (CVE-2024-8178): FreeBSD -- Multiple issues in ctl(4) CAM Target Layer

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FreeBSD: VID-9BD5E47B-6B50-11EF-9A62-002590C1F29C (CVE-2024-8178): FreeBSD -- Multiple issues in ctl(4) CAM Target Layer

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

The ctl_write_buffer and ctl_read_buffer functions allocated memory to be returned to userspace, without initializing it.

Malicious software running in a guest VM that exposes virtio_scsi can exploit the vulnerabilities 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. A malicious iSCSI initiator could achieve remote code execution on the iSCSI target host.

Solution(s)

  • freebsd-upgrade-base-13_3-release-p6
  • freebsd-upgrade-base-14_0-release-p10
  • freebsd-upgrade-base-14_1-release-p4

References

  • CVE-2024-8178

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