CVE-2018-20855

An issue was discovered in the Linux kernel before 4.18.7. In create_qp_common in drivers/infiniband/hw/mlx5/qp.c, mlx5_ib_create_qp_resp was never initialized, resulting in a leak of stack memory to userspace.

CVSS v3.0 3.3 LOW
CVSS v2.0 2.1 LOW

3.3^/10

CVSS v3.0 : LOW

Vector :

Exploitability : 1.8 / Impact : 1.4

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

2.1^/10

CVSS v2.0 : LOW

Vector : AV:L/AC:L/Au:N/C:P/I:N/A:N

Exploitability : 3.9 / Impact : 2.9

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References

Link	Resource
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=0625b4ba1a5d4703c7fb01c497bd6c156908af00	Mailing List Patch Vendor Advisory
https://github.com/torvalds/linux/commit/0625b4ba1a5d4703c7fb01c497bd6c156908af00	Patch Third Party Advisory
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.18.7	Mailing List Release Notes Vendor Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00056.html	Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00055.html	Third Party Advisory
https://security.netapp.com/advisory/ntap-20190905-0002/	Third Party Advisory

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Configurations

Configuration 1 (hide)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR	cpe:2.3:o:opensuse:leap:15.0:::::::*
	cpe:2.3:o:opensuse:leap:15.1:::::::*

Configuration 3 (hide)

OR	cpe:2.3:a:netapp:active_iq_performance_analytics_services:-:::::::*
	cpe:2.3:a:netapp:active_iq_unified_manager::::::vmware_vsphere::*
	cpe:2.3:a:netapp:data_availability_services:-:::::::*
	cpe:2.3:a:netapp:element_software:-:::::::*

Information

Published : 2019-07-25 22:15

Updated : 2019-11-20 07:31

NVD link : CVE-2018-20855

Mitre link : CVE-2018-20855

JSON object : View

CWE

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

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Products Affected

netapp

active_iq_unified_manager
element_software
active_iq_performance_analytics_services
data_availability_services

linux

linux_kernel

opensuse

leap

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