Vulnerability Database

289,599

Total vulnerabilities in the database

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.

  • Published: Aug 30, 2021
  • Updated: Apr 14, 2023
  • CVE: CVE-2021-29631
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 7.8
  • AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v2:

  • Severity: High
  • Score: 7.2
  • AV:L/AC:L/Au:N/C:C/I:C/A:C

CWEs:

Software From Fixed in
freebsd / freebsd 11.4 11.4.x
freebsd / freebsd 11.4-p1 11.4-p1.x
freebsd / freebsd 11.4-p3 11.4-p3.x
freebsd / freebsd 11.4-p2 11.4-p2.x
freebsd / freebsd 12.2-p1 12.2-p1.x
freebsd / freebsd 12.2-p2 12.2-p2.x
freebsd / freebsd 12.2 12.2.x
freebsd / freebsd 12.2-p3 12.2-p3.x
freebsd / freebsd 11.4-p4 11.4-p4.x
freebsd / freebsd 11.4-p5 11.4-p5.x
freebsd / freebsd 11.4-p6 11.4-p6.x
freebsd / freebsd 11.4-p7 11.4-p7.x
freebsd / freebsd 12.2-p4 12.2-p4.x
freebsd / freebsd 12.2-p5 12.2-p5.x
freebsd / freebsd 12.2-p6 12.2-p6.x
freebsd / freebsd 13.0 13.0.x
freebsd / freebsd 11.4-p8 11.4-p8.x
freebsd / freebsd 11.4-p9 11.4-p9.x
freebsd / freebsd 13.0-p1 13.0-p1.x
freebsd / freebsd 13.0-p2 13.0-p2.x
freebsd / freebsd 13.0-p3 13.0-p3.x
freebsd / freebsd 12.2-p7 12.2-p7.x
freebsd / freebsd 12.2-p8 12.2-p8.x
freebsd / freebsd 12.2-p9 12.2-p9.x
freebsd / freebsd 12.2-p10 12.2-p10.x
freebsd / freebsd 11.4-p10 11.4-p10.x
freebsd / freebsd 11.4-p11 11.4-p11.x
freebsd / freebsd 11.4-p12 11.4-p12.x
freebsd / freebsd 11.4-p13 11.4-p13.x