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CVE-2019-5604

Status Candidate

Overview

In FreeBSD 12.0-STABLE before r350246, 12.0-RELEASE before 12.0-RELEASE-p8, 11.3-STABLE before r350247, 11.3-RELEASE before 11.3-RELEASE-p1, and 11.2-RELEASE before 11.2-RELEASE-p12, the emulated XHCI device included with the bhyve hypervisor did not properly validate data provided by the guest, allowing an out-of-bounds read. This provides a malicious guest the possibility to crash the system or access system memory.

Related Files

FreeBSD Security Advisory - FreeBSD-SA-19:16.bhyve
Posted Jul 25, 2019
Authored by Reno Robert | Site security.freebsd.org

FreeBSD Security Advisory - The pci_xhci_device_doorbell() function does not validate the 'epid' and 'streamid' provided by the guest, leading to an out-of-bounds read. A misbehaving bhyve guest could crash the system or access memory that it should not be able to.

tags | advisory
systems | freebsd, bsd
advisories | CVE-2019-5604
SHA-256 | 22ddae49f77be04a48b0ef2c715801539b562f34653337c23b52f4f5dfa1668b
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