CVE-2018-20855

Published: Jul 26, 2019Modified: Nov 21, 2024

3.3

Vector

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

Exploitability: 1.8 / Impact: 1.4

Source: NVD

Description

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.

Affected (7)

Products: Linux: Linux Kernel · Opensuse: Leap · Netapp: Active Iq Performance Analytics Services, Active Iq Unified Manager, Data Availability Services, Element Software

1 product

1 product

4 products

Active Iq Performance Analytics Services

Active Iq Unified Manager

Data Availability Services

Element Software

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Linux Linux Kernel	Before 4.18.7

Configuration B

2 vulnerable

Vulnerable Software	Affected Versions
Opensuse Leap	Version 15.0
Opensuse Leap	Version 15.1

Configuration C

4 vulnerable

Vulnerable Software	Affected Versions
Netapp Active Iq Performance Analytics Services	All versions
Netapp Active Iq Unified Manager	From 9.5
Netapp Data Availability Services	All versions
Netapp Element Software	All versions

Related CWEs

Improper Restriction of Operations within the Bounds of a Memory Buffer

The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.

References (12)

http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00055.html

Source: cve@mitre.org

Third Party Advisory

http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00056.html

Source: cve@mitre.org

Third Party Advisory

https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.18.7

Source: cve@mitre.org

Mailing ListRelease NotesVendor Advisory

https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=0625b4ba1a5d4703c7fb01c497bd6c156908af00

Source: cve@mitre.org

Mailing ListPatchVendor Advisory

https://github.com/torvalds/linux/commit/0625b4ba1a5d4703c7fb01c497bd6c156908af00

Source: cve@mitre.org

PatchThird Party Advisory

https://security.netapp.com/advisory/ntap-20190905-0002/

Source: cve@mitre.org

Third Party Advisory

http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00055.html

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00056.html

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.18.7

Source: af854a3a-2127-422b-91ae-364da2661108

Mailing ListRelease NotesVendor Advisory

https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=0625b4ba1a5d4703c7fb01c497bd6c156908af00

Source: af854a3a-2127-422b-91ae-364da2661108

Mailing ListPatchVendor Advisory

https://github.com/torvalds/linux/commit/0625b4ba1a5d4703c7fb01c497bd6c156908af00

Source: af854a3a-2127-422b-91ae-364da2661108

PatchThird Party Advisory

https://security.netapp.com/advisory/ntap-20190905-0002/

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

Timeline

No history available yet.