CVE-2019-19045

MEDIUM

Description

A memory leak in the mlx5_fpga_conn_create_cq() function in drivers/net/ethernet/mellanox/mlx5/core/fpga/conn.c in the Linux kernel before 5.3.11 allows attackers to cause a denial of service (memory consumption) by triggering mlx5_vector2eqn() failures, aka CID-c8c2a057fdc7.

References

http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html

https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.3.11

https://github.com/torvalds/linux/commit/c8c2a057fdc7de1cd16f4baa51425b932a42eb39

https://security.netapp.com/advisory/ntap-20191205-0001/

https://usn.ubuntu.com/4225-1/

https://usn.ubuntu.com/4225-2/

https://usn.ubuntu.com/4226-1/

https://usn.ubuntu.com/4227-1/

https://usn.ubuntu.com/4227-2/

Details

Source: MITRE

Published: 2019-11-18

Updated: 2020-04-30

Type: CWE-400

Risk Information

CVSS v2.0

Base Score: 4.9

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

Impact Score: 6.9

Exploitability Score: 3.9

Severity: MEDIUM

CVSS v3.0

Base Score: 4.4

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

Impact Score: 3.6

Exploitability Score: 0.8

Severity: MEDIUM