7.8

CVE-2021-29631

In FreeBSD 13.0-STABLE before n246941-20f96f215562, 12.2-STABLE before r370400, 11.4-STABLE before r370399, 13.0-RELEASE before p4, 12.2-RELEASE before p10, and 11.4-RELEASE before p13, certain VirtIO-based device models in bhyve failed to handle errors when fetching I/O descriptors. A malicious guest may cause the device model to operate on uninitialized I/O vectors leading to memory corruption, crashing of the bhyve process, and possibly arbitrary code execution in the bhyve process.

Data is provided by the National Vulnerability Database (NVD)
Freebsd ≫ Freebsd Version11.4 Update-
Freebsd ≫ Freebsd Version11.4 Updatep1
Freebsd ≫ Freebsd Version11.4 Updatep10
Freebsd ≫ Freebsd Version11.4 Updatep11
Freebsd ≫ Freebsd Version11.4 Updatep12
Freebsd ≫ Freebsd Version11.4 Updatep13
Freebsd ≫ Freebsd Version11.4 Updatep2
Freebsd ≫ Freebsd Version11.4 Updatep3
Freebsd ≫ Freebsd Version11.4 Updatep4
Freebsd ≫ Freebsd Version11.4 Updatep5
Freebsd ≫ Freebsd Version11.4 Updatep6
Freebsd ≫ Freebsd Version11.4 Updatep7
Freebsd ≫ Freebsd Version11.4 Updatep8
Freebsd ≫ Freebsd Version11.4 Updatep9
Freebsd ≫ Freebsd Version12.2 Update-
Freebsd ≫ Freebsd Version12.2 Updatep1
Freebsd ≫ Freebsd Version12.2 Updatep10
Freebsd ≫ Freebsd Version12.2 Updatep2
Freebsd ≫ Freebsd Version12.2 Updatep3
Freebsd ≫ Freebsd Version12.2 Updatep4
Freebsd ≫ Freebsd Version12.2 Updatep5
Freebsd ≫ Freebsd Version12.2 Updatep6
Freebsd ≫ Freebsd Version12.2 Updatep7
Freebsd ≫ Freebsd Version12.2 Updatep8
Freebsd ≫ Freebsd Version12.2 Updatep9
Freebsd ≫ Freebsd Version13.0 Update-
Freebsd ≫ Freebsd Version13.0 Updatep1
Freebsd ≫ Freebsd Version13.0 Updatep2
Freebsd ≫ Freebsd Version13.0 Updatep3
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 0.05% 0.117
CVSS Metriken
Source Base Score Exploit Score Impact Score Vector string
nvd@nist.gov 7.8 1.8 5.9
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
nvd@nist.gov 7.2 3.9 10
AV:L/AC:L/Au:N/C:C/I:C/A:C
CWE-908 Use of Uninitialized Resource

The product uses or accesses a resource that has not been initialized.