{"id":"CVE-2026-74629","revision":"958041b5c36244b2bc89800abe7d87fa","records":[{"revision":"958041b5c36244b2bc89800abe7d87fa","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-74629","aliases":[],"title":"net/dibs: Correct freeing of dmb_clientid_arr","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet/dibs: Correct freeing of dmb_clientid_arr\n\nA dibs device interrupt handler can be active after dibs_dev_del() and\nmay still access dmb_clientid_arr. (UAF)\n\nIn case of a failure in dibs_dev_add() being called by dibs_lo_dev_probe()\ndmb_clientid_arr is freed twice (double free).\n\nFree dmb_clientid_arr in dibs_dev_release() after last reference is gone.\nNote that allocating in dibs_dev_add() instead of dibs_dev_alloc() is ok\nfor now, because no dmbs can be registered before dibs_dev_add().","state":0,"publishedAt":"2026-08-22T15:32:10.861+00:00","modifiedAt":"2026-10-16T19:06:03.413+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/dibs/dibs_loopback.c\",\n                        \"drivers/dibs/dibs_main.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"cc21191b584c6f7836b0f10774f8278b7cbfba10\",\n                            \"lessThan\": \"ece6426b61241e9bfb41aa131f235168f55229b1\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"cc21191b584c6f7836b0f10774f8278b7cbfba10\",\n                            \"lessThan\": \"7a1df20a8d2cc89e3a442b6e0b43b1cacde8d403\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"cc21191b584c6f7836b0f10774f8278b7cbfba10\",\n                            \"lessThan\": \"9e6869be49064915edb6c8776b27c376cfdb0df5\",\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/dibs/dibs_loopback.c\",\n                        \"drivers/dibs/dibs_main.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"6.18\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"6.18\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.45\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.1.9\",\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:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":8.8,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/ece6426b61241e9bfb41aa131f235168f55229b1","https://git.kernel.org/stable/c/7a1df20a8d2cc89e3a442b6e0b43b1cacde8d403","https://git.kernel.org/stable/c/9e6869be49064915edb6c8776b27c376cfdb0df5"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-74629","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-74629","identifiers":["CVE-2026-74629"]},"retained":false,"historicalAffected":[]}],"coverage":[]}