CVE-2019-5604

high-risk
Published 2019-07-26

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.

Do I need to act?

~
1.8% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.6/10 Critical
NETWORK / LOW complexity

Affected Products (20)

Affected Vendors

Freebsd

References (6)

Third Party Advisory http://packetstormsecurity.com/files/153753/FreeBSD-Security-Advisory-FreeBSD-SA...
Vendor Advisory https://security.FreeBSD.org/advisories/FreeBSD-SA-19:16.bhyve.asc
Third Party Advisory https://security.netapp.com/advisory/ntap-20190814-0003/
Third Party Advisory http://packetstormsecurity.com/files/153753/FreeBSD-Security-Advisory-FreeBSD-SA...
Vendor Advisory https://security.FreeBSD.org/advisories/FreeBSD-SA-19:16.bhyve.asc
Third Party Advisory https://security.netapp.com/advisory/ntap-20190814-0003/
57
/ 100
high-risk
Severity 32/34 · Critical
Exploitability 5/34 · Minimal
Exposure 20/34 · Moderate