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FreeBSD: VID-0CC7E547-6A0A-11EA-92AB-00163E433440 (CVE-2020-7452): FreeBSD -- Incorrect user-controlled pointer use in epair

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FreeBSD: VID-0CC7E547-6A0A-11EA-92AB-00163E433440 (CVE-2020-7452): FreeBSD -- Incorrect user-controlled pointer use in epair

Severity
9
CVSS
(AV:N/AC:L/Au:S/C:C/I:C/A:C)
Published
03/19/2020
Created
03/24/2020
Added
03/20/2020
Modified
10/20/2020

Description

Details for this vulnerability have not been published by NIST at this point. Descriptions from software vendor advisories for this issue are provided below.

From VID-0CC7E547-6A0A-11EA-92AB-00163E433440:

Problem Description:

Incorrect use of a potentially user-controlled pointer in the kernel

allowed vnet jailed users to panic the system and potentially execute

aribitrary code in the kernel.

Impact:

Users with root level access (or the PRIV_NET_IFCREATE privilege)

can panic the system, or potentially escape the jail or execute

arbitrary code with kernel priviliges.

Solution(s)

  • freebsd-upgrade-base-11_3-release-p7
  • freebsd-upgrade-base-12_1-release-p3

References

  • CVE-2020-7452

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