{"id":"CVE-2026-98759","revision":"122d181dfc0b494d8a431cf395a48e71","records":[{"revision":"122d181dfc0b494d8a431cf395a48e71","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-98759","aliases":[],"title":"usb: typec: tipd: fix uninitialized typec_partner_desc in cd321x_update_work()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nusb: typec: tipd: fix uninitialized typec_partner_desc in cd321x_update_work()\n\ncd321x_update_work() passes a stack-allocated typec_partner_desc to\ntypec_register_partner() after initializing only usb_pd, accessory and\nidentity.\n\ntypec_register_partner() copies attach and deattach from the descriptor\ninto the partner. With those fields left unset, garbage function pointers\nmay be stored and later invoked from typec_partner_link_device() when a USB\ndevice is linked to the port. Uninitialized pd_revision and usb_capability\nsimilarly leak stack data through partner sysfs.\n\nZero-initialize the descriptor so optional callbacks remain NULL and the\nremaining fields are zero.","state":0,"publishedAt":"2026-10-18T15:47:47.988+00:00","modifiedAt":"2026-10-19T09:25:12.754+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/usb/typec/tipd/core.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"82432bbfb9e83b7e81d04660fe129b99a29b2ac2\",\n                            \"lessThan\": \"75dc6cb377efd2f4428b7f76d3a590a0bbc10399\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"82432bbfb9e83b7e81d04660fe129b99a29b2ac2\",\n                            \"lessThan\": \"5414144e202a32437e3eb436cd3f5f00d79ad86e\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"82432bbfb9e83b7e81d04660fe129b99a29b2ac2\",\n                            \"lessThan\": \"88c7e458af53ff781a3f1051708395892b325576\",\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/usb/typec/tipd/core.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\": \"6.18.56\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2.10\",\n                            \"lessThanOrEqual\": \"7.2.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.3\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://git.kernel.org/stable/c/75dc6cb377efd2f4428b7f76d3a590a0bbc10399","https://git.kernel.org/stable/c/5414144e202a32437e3eb436cd3f5f00d79ad86e","https://git.kernel.org/stable/c/88c7e458af53ff781a3f1051708395892b325576"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-98759","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-98759","identifiers":["CVE-2026-98759"]},"retained":false,"historicalAffected":[]}],"coverage":[]}