Impact: Moderate Public Date: 2019-07-26 CWE: CWE-200 Bugzilla: 1738708: CVE-2018-20855 kernel: Information leak in create_qp_common in drivers/infiniband/hw/mlx5/qp.c 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.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2018-20855 from the MITRE CVE dictionary dictionary and NIST NVD.
NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.
| CVSS3 Base Score | 5.1 |
|---|---|
| CVSS3 Base Metrics | CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N |
| Attack Vector | Local |
| Attack Complexity | High |
| Privileges Required | None |
| User Interaction | None |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity Impact | None |
| Availability Impact | None |
| Platform | Package | State |
|---|---|---|
| Red Hat OpenShift Container Platform 4.1 | kernel | Under investigation |
| Red Hat Enterprise MRG 2 | kernel-rt | Under investigation |
| Red Hat Enterprise Linux 8 | kernel | Under investigation |
| Red Hat Enterprise Linux 8 | kernel-rt | Under investigation |
| Red Hat Enterprise Linux 7 | kernel-alt | Under investigation |
| Red Hat Enterprise Linux 7 | kernel | Under investigation |
| Red Hat Enterprise Linux 7 | kernel-rt | Under investigation |
| Red Hat Enterprise Linux 6 | kernel | Under investigation |
| Red Hat Enterprise Linux 5 | kernel | Under investigation |
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