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CVE-2019-3882

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Date: April 24, 2019

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.

Language: C

Severity Score

Related Resources (27)

https://nvd.nist.gov/vuln/detail/CVE-2019-3882
https://access.redhat.com/errata/RHSA-2019:2029
https://people.canonical.com/~ubuntu-security/cve/CVE-2019-3882
http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00043.html
http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00037.html
https://access.redhat.com/errata/RHSA-2019:2043
https://seclists.org/bugtraq/2019/Aug/18
https://access.redhat.com/errata/RHSA-2019:3309
https://access.redhat.com/security/cve/CVE-2019-3882
https://usn.ubuntu.com/3980-2/
https://usn.ubuntu.com/3981-1/
https://usn.ubuntu.com/3982-2/
https://lists.debian.org/debian-lts-announce/2019/05/msg00041.html
https://security.netapp.com/advisory/ntap-20190517-0005/
https://security-tracker.debian.org/tracker/CVE-2019-3882
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3882
https://usn.ubuntu.com/3979-1/
http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00071.html
https://www.debian.org/security/2019/dsa-4497
https://bugzilla.redhat.com/show_bug.cgi?id=1689426
https://lists.debian.org/debian-lts-announce/2019/05/msg00042.html
https://usn.ubuntu.com/3980-1/
https://usn.ubuntu.com/3982-1/
https://usn.ubuntu.com/3981-2/
https://access.redhat.com/errata/RHSA-2019:3517
https://lists.debian.org/debian-lts-announce/2019/08/msg00017.html
https://www.mend.io/vulnerability-database/CVE-2019-3882

Severity Score

Weakness Type (CWE)

Uncontrolled Resource Consumption

CWE-400

Allocation of Resources Without Limits or Throttling

CWE-770

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): COMPLETE
Additional information:

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