{"id":"CVE-2026-72345","revision":"200e380ef57c4771bbcdb489904b446f","records":[{"revision":"200e380ef57c4771bbcdb489904b446f","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-72345","aliases":[],"title":"net/mlx5: LAG, Fix off-by-one in single-FDB error rollback","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet/mlx5: LAG, Fix off-by-one in single-FDB error rollback\n\nOn failure at index i, the reverse cleanup loop in\nmlx5_lag_create_single_fdb() starts from i, so the failed index\nitself is rolled back. That can operate on uninitialized state or\ndouble-tear-down a rule the add_one path already self-rolled-back.\n\nStart the rollback from i - 1 so only successfully-installed entries\nare undone.","state":0,"publishedAt":"2026-08-15T05:55:50.427+00:00","modifiedAt":"2026-10-16T18:55:19.426+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/net/ethernet/mellanox/mlx5/core/lag/shared_fdb.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"ddbb5ddc43ad000a984149db5af1133433938404\",\n                            \"lessThan\": \"0be672071d6e8c4d3be6a8f796d8e47198763770\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"ddbb5ddc43ad000a984149db5af1133433938404\",\n                            \"lessThan\": \"40cc06bf71476932e5d139fa326dcd0372766e16\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"ddbb5ddc43ad000a984149db5af1133433938404\",\n                            \"lessThan\": \"0f0e4ae6975c773f7854fc48932a267f6c79088f\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"8330e9f0214c0f0b73c57b3f3f619b64c8035029\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"6.12.113\",\n                            \"lessThan\": \"6.13\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\"\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/net/ethernet/mellanox/mlx5/core/lag/shared_fdb.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"6.14\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"6.14\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.57\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.1.5\",\n                            \"lessThanOrEqual\": \"7.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2\",\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/0be672071d6e8c4d3be6a8f796d8e47198763770","https://git.kernel.org/stable/c/40cc06bf71476932e5d139fa326dcd0372766e16","https://git.kernel.org/stable/c/0f0e4ae6975c773f7854fc48932a267f6c79088f"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-72345","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-72345","identifiers":["CVE-2026-72345"]},"retained":false,"historicalAffected":[]}],"coverage":[]}