Description
In FreeBSD 12.1-STABLE before r357490, 12.1-RELEASE before 12.1-RELEASE-p3, 11.3-STABLE before r357489, and 11.3-RELEASE before 11.3-RELEASE-p7, incorrect use of a user-controlled pointer in the epair virtual network module allowed vnet jailed privileged users to panic the host system and potentially execute arbitrary code in the kernel.
References (1)
Core 1
Core References
Patch, Vendor Advisory x_refsource_confirm
https://security.FreeBSD.org/advisories/FreeBSD-SA-20:07.epair.asc
Scores
CVSS v3
9.1
EPSS
0.0098
EPSS Percentile
77.0%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Details
CWE
CWE-119
Status
published
Products (2)
freebsd/freebsd
11.3 (7 CPE variants)
freebsd/freebsd
12.1 (3 CPE variants)
Published
Apr 29, 2020
Tracked Since
Feb 18, 2026