{"id":"CVE-2026-98587","revision":"cb86eea507134fd19344334fa0ad9d36","records":[{"revision":"cb86eea507134fd19344334fa0ad9d36","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-98587","aliases":[],"title":"firewire: cdev: fix back-transition for iso_resource_auto client resource","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nfirewire: cdev: fix back-transition for iso_resource_auto client resource\n\nThe todo member of iso_resource_auto structure represents the state of the\nclient resource and normally transitions in the following order:\n\n    ISO_RES_AUTO_ALLOC -> ISO_RES_AUTO_REALLOC -> ISO_RES_AUTO_DEALLOC\n\nHowever, concurrent access from the work item and the file descriptor\nrelease function can cause the state to transition backwards from\nISO_RES_AUTO_DEALLOC to ISO_RES_AUTO_REALLOC.\n\nPrevent the back-transition by checking the current state before\nupdating it in the work item.","state":0,"publishedAt":"2026-10-18T15:19:00.077+00:00","modifiedAt":"2026-10-19T09:22:12.874+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/firewire/core-cdev.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"fcabbf40fae501379b4f3a057febe92d4b0ebdd8\",\n                            \"lessThan\": \"ee1df60a0d0e8ab4b00137135733bdadd6d33dab\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"fcabbf40fae501379b4f3a057febe92d4b0ebdd8\",\n                            \"lessThan\": \"c6b51091cafff9ce6c03c1416aa13864d17ab97c\",\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/firewire/core-cdev.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"7.2\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"7.2\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2.9\",\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/ee1df60a0d0e8ab4b00137135733bdadd6d33dab","https://git.kernel.org/stable/c/c6b51091cafff9ce6c03c1416aa13864d17ab97c"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-98587","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-98587","identifiers":["CVE-2026-98587"]},"retained":false,"historicalAffected":[]}],"coverage":[]}