CVE-2018-20855
Low
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.
Exploit probability
0.4%
Published
July 26, 2019
Required by
Not available
Last source change
April 2, 2026
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
Open Source Vulnerabilities
CVE-2018-20855
View original source
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.
05 / REFERENCES
Further evidence
- 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/