CVE-2019-3882 Information

Description

A flaw was found in the Linux kernel’s vfio interface implementation that permits violation of the user’s locked memory limit. If a device is bound to a vfio driver such as vfio-pci and the local attacker is administratively granted ownership of the device it may cause a system memory exhaustion and thus a denial of service (DoS). Versions 3.10 4.14 and 4.18 are vulnerable.

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Reference

http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00037.html http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00043.html http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00071.html https://access.redhat.com/errata/RHSA-2019:2029 https://access.redhat.com/errata/RHSA-2019:2043 https://access.redhat.com/errata/RHSA-2019:3309 https://access.redhat.com/errata/RHSA-2019:3517 https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3882 https://lists.debian.org/debian-lts-announce/2019/05/msg00041.html https://lists.debian.org/debian-lts-announce/2019/05/msg00042.html https://lists.debian.org/debian-lts-announce/2019/08/msg00017.html https://seclists.org/bugtraq/2019/Aug/18 https://security.netapp.com/advisory/ntap-20190517-0005/ https://usn.ubuntu.com/3979-1/ https://usn.ubuntu.com/3980-1/ https://usn.ubuntu.com/3980-2/ https://usn.ubuntu.com/3981-1/ https://usn.ubuntu.com/3981-2/ https://usn.ubuntu.com/3982-1/ https://usn.ubuntu.com/3982-2/ https://www.debian.org/security/2019/dsa-4497

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

5.5