National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2019-12456 Detail

Current Description

An issue was discovered in the MPT3COMMAND case in _ctl_ioctl_main in drivers/scsi/mpt3sas/mpt3sas_ctl.c in the Linux kernel through 5.1.5. It allows local users to cause a denial of service or possibly have unspecified other impact by changing the value of ioc_number between two kernel reads of that value, aka a "double fetch" vulnerability.

Source:  MITRE
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 7.8 HIGH
Vector: AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H (V3 legend)
Impact Score: 5.9
Exploitability Score: 1.8


Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 7.2 HIGH
Vector: (AV:L/AC:L/Au:N/C:C/I:C/A:C) (V2 legend)
Impact Subscore: 10.0
Exploitability Subscore: 3.9


Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): Complete
Integrity (I): Complete
Availability (A): Complete
Additional Information:
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00039.html
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00040.html
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00048.html
https://git.kernel.org/pub/scm/linux/kernel/git/mkp/scsi.git/commit/?h=5.3/scsi-queue&id=86e5aca7fa2927060839f3e3b40c8bd65a7e8d1e Patch Vendor Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MDURACJVGIBIYBSGDZJTRDPX46H5WPZW/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OBJHGQXA4PQ5EOGCOXEH3KFDNVZ2I4X7/
https://lkml.org/lkml/2019/5/29/1164 Mailing List Third Party Advisory

Technical Details

Vulnerability Type (View All)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (including)
5.1.5


Change History

6 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2019-12456
NVD Published Date:
05/30/2019
NVD Last Modified:
06/13/2019