Unrated severityNVD Advisory· Published Aug 29, 2019· Updated Aug 4, 2024
CVE-2019-5609
CVE-2019-5609
Description
In FreeBSD 12.0-STABLE before r350619, 12.0-RELEASE before 12.0-RELEASE-p9, 11.3-STABLE before r350619, 11.3-RELEASE before 11.3-RELEASE-p2, and 11.2-RELEASE before 11.2-RELEASE-p13, the bhyve e1000 device emulation used a guest-provided value to determine the size of the on-stack buffer without validation when TCP segmentation offload is requested for a transmitted packet. A misbehaving bhyve guest could overwrite memory in the bhyve process on the host.
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Affected products
2- FreeBSD/bhyve e1000 device emulationdescription
Patches
Vulnerability mechanics
References
2- security.freebsd.org/advisories/FreeBSD-SA-19:21.bhyve.ascmitrex_refsource_CONFIRM
- security.netapp.com/advisory/ntap-20190910-0002/mitrex_refsource_CONFIRM
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