CVE-2018-20855

low

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.

References

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

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

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

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

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

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

Details

Source: MITRE

Published: 2019-07-26

Updated: 2019-11-20

Type: CWE-119

Risk Information

CVSS v2

Base Score: 2.1

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

Impact Score: 2.9

Exploitability Score: 3.9

Severity: LOW

CVSS v3

Base Score: 3.3

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

Impact Score: 1.4

Exploitability Score: 1.8

Severity: LOW