{"cve":"CVE-2018-20855","nvd":{"published":"2019-07-26T05:15:10.423","modified":"2026-06-17T01:53:36.290","status":"Modified","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","score":3.3},"cwes":["CWE-119"],"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"],"products":["linux:linux_kernel","netapp:active_iq_performance_analytics_services","netapp:active_iq_unified_manager","netapp:data_availability_services","netapp:element_software","opensuse:leap"],"source":"nvd","synced_at":"2026-10-19T20:58:11.797917892+00:00"},"epss":{"cve":"CVE-2018-20855","score":0.00467,"percentile":0.40474,"date":"2026-11-01"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}