CVE-2019-5611 Information

Description

In FreeBSD 12.0-STABLE before r350828 12.0-RELEASE before 12.0-RELEASE-p10 11.3-STABLE before r350829 11.3-RELEASE before 11.3-RELEASE-p3 and 11.2-RELEASE before 11.2-RELEASE-p14 a missing check in the function to arrange data in a chain of mbufs could cause data returned not to be contiguous. Extra checks in the IPv6 stack could catch the error condition and trigger a kernel panic leading to a remote denial of service.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Reference

http://packetstormsecurity.com/files/154170/FreeBSD-Security-Advisory-FreeBSD-SA-19-22.mbuf.html https://seclists.org/bugtraq/2019/Aug/33 https://security.FreeBSD.org/advisories/FreeBSD-SA-19:22.mbuf.asc https://security.netapp.com/advisory/ntap-20190910-0002/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5