bhyve(8) hda driver buffer over-read

published 2024-11-12 23 mo ago modified 2026-06-17 4 mo ago also EUVD-2024-45403

cvss: 6.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.4%; EPSS 0.4% chance of exploitation in 30 days, percentile 35%
public exploits: 0; none known

The hda driver is vulnerable to a buffer over-read from a guest-controlled value.

Patch / fix

fixed in 1

FreeBSD FreeBSD p2, p6, p8

CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: partial
Assessed: 23 mo ago (2024-11-26)

Exploit prediction

0.41% chance of exploitation in the next 30 days, higher than 35% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	6.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
CNA	3.1	6.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L

Affected products

FreeBSD FreeBSD

Classification

Weakness

CWE-125 Out-of-bounds Read

References

Sources

CVE List CVE-2024-51565
NVD CVE-2024-51565

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary