{"id":"CVE-2026-93819","revision":"640b3b28efc74fd59eeb4c3712fbd437","records":[{"revision":"640b3b28efc74fd59eeb4c3712fbd437","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-93819","aliases":[],"title":"PCI: mediatek: Protect root bus removal with rescan lock","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nPCI: mediatek: Protect root bus removal with rescan lock\n\nHold the pci_rescan_remove_lock lock while stopping and removing a root bus\nto avoid racing with concurrent rescan or hotplug operations triggered via\nsysfs.  Such races may lead to use-after-free issues or system crashes.\n\n[bhelgaas: commit log]","state":0,"publishedAt":"2026-09-24T16:02:56.394+00:00","modifiedAt":"2026-10-03T10:57:50.269+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/pci/controller/pcie-mediatek.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"031337ace2d1c22a447da6390716fe92592cdd6e\",\n                            \"lessThan\": \"d54417acb22d9e8bc404a8598330bc9729ee7146\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"031337ace2d1c22a447da6390716fe92592cdd6e\",\n                            \"lessThan\": \"5dd379acfa38c516e904bcfa693502cd585a0bba\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"031337ace2d1c22a447da6390716fe92592cdd6e\",\n                            \"lessThan\": \"8d910649725955435c6a807944108bca0570712d\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"031337ace2d1c22a447da6390716fe92592cdd6e\",\n                            \"lessThan\": \"31e33dcc896527b3ad790fdc6aa6b8d2995c078b\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"031337ace2d1c22a447da6390716fe92592cdd6e\",\n                            \"lessThan\": \"c57b971765f835138fa2fce3f2a171b004cbb114\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"031337ace2d1c22a447da6390716fe92592cdd6e\",\n                            \"lessThan\": \"a568939487dcbc1a3e341208585e224be897e25e\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"031337ace2d1c22a447da6390716fe92592cdd6e\",\n                            \"lessThan\": \"a29812a55da8d0dbeb071b26ac428c338e3fc389\",\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/pci/controller/pcie-mediatek.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"4.20\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"4.20\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.10.271\",\n                            \"lessThanOrEqual\": \"5.10.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.15.222\",\n                            \"lessThanOrEqual\": \"5.15.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.1.189\",\n                            \"lessThanOrEqual\": \"6.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.158\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.111\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.53\",\n                            \"lessThanOrEqual\": \"6.18.*\",\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":[],"references":["https://git.kernel.org/stable/c/d54417acb22d9e8bc404a8598330bc9729ee7146","https://git.kernel.org/stable/c/5dd379acfa38c516e904bcfa693502cd585a0bba","https://git.kernel.org/stable/c/8d910649725955435c6a807944108bca0570712d","https://git.kernel.org/stable/c/31e33dcc896527b3ad790fdc6aa6b8d2995c078b","https://git.kernel.org/stable/c/c57b971765f835138fa2fce3f2a171b004cbb114","https://git.kernel.org/stable/c/a568939487dcbc1a3e341208585e224be897e25e","https://git.kernel.org/stable/c/a29812a55da8d0dbeb071b26ac428c338e3fc389"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-93819","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-93819","identifiers":["CVE-2026-93819"]},"retained":false,"historicalAffected":[]}],"coverage":[]}