{"id":"CVE-2026-46145","revision":"e90dccae6cd4435bbcc992384aea86ea","records":[{"revision":"e90dccae6cd4435bbcc992384aea86ea","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-46145","aliases":[],"title":"RDMA/mana: Validate rx_hash_key_len","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/mana: Validate rx_hash_key_len\n\nSashiko points out that rx_hash_key_len comes from a uAPI structure and is\nblindly passed to memcpy, allowing the userspace to trash kernel\nmemory. Bounds check it so the memcpy cannot overflow.","state":0,"publishedAt":"2026-05-28T09:36:01.805+00:00","modifiedAt":"2026-10-19T19:36:52.289+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/infiniband/hw/mana/qp.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"0266a177631d4c6b963b5b12dd986a8c5abdbf06\",\n                            \"lessThan\": \"7d7c9f0fcd19c4d2f0164347c58d49cafa961b72\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"0266a177631d4c6b963b5b12dd986a8c5abdbf06\",\n                            \"lessThan\": \"11c1431d641e0e4e0529e96957995820600c7287\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"0266a177631d4c6b963b5b12dd986a8c5abdbf06\",\n                            \"lessThan\": \"012796f9541fcd0c1fa8ae4da7eb4d83931ef838\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"0266a177631d4c6b963b5b12dd986a8c5abdbf06\",\n                            \"lessThan\": \"7d94f155f354b961c598f71bafa804dceded513f\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"0266a177631d4c6b963b5b12dd986a8c5abdbf06\",\n                            \"lessThan\": \"6dd2d4ad9c8429523b1c220c5132bd551c006425\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"affected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/infiniband/hw/mana/qp.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"6.2\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"6.2\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.141\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.88\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.30\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.0.7\",\n                            \"lessThanOrEqual\": \"7.0.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.1\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.8,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/7d7c9f0fcd19c4d2f0164347c58d49cafa961b72","https://git.kernel.org/stable/c/11c1431d641e0e4e0529e96957995820600c7287","https://git.kernel.org/stable/c/012796f9541fcd0c1fa8ae4da7eb4d83931ef838","https://git.kernel.org/stable/c/7d94f155f354b961c598f71bafa804dceded513f","https://git.kernel.org/stable/c/6dd2d4ad9c8429523b1c220c5132bd551c006425"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-46145","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-46145","identifiers":["CVE-2026-46145"]},"retained":false,"historicalAffected":[]}],"coverage":[]}