{"id":"CVE-2026-98311","revision":"7a220f645ec640409822be94251c31bf","records":[{"revision":"7a220f645ec640409822be94251c31bf","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-98311","aliases":[],"title":"wifi: virt_wifi: don't transfer operstate before register","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: virt_wifi: don't transfer operstate before register\n\nvirt_wifi_newlink() calls netif_stacked_transfer_operstate() before\nregister_netdevice(). If the lower device is dormant, that queues the\nnew netdev on lweventlist while it is still uninitialized. If\nregistration fails after that, for example because of an invalid name\nsuch as \"bad/name\", free_netdev() immediately frees the object. A\nlater linkwatch_fire_event() then use-after-frees the list entry.\n\nMove the transfer to after netdev_upper_dev_link(), as macvlan and\nipvlan already do.","state":0,"publishedAt":"2026-10-06T08:46:07.562+00:00","modifiedAt":"2026-10-19T09:17:21.813+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/wireless/virtual/virt_wifi.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"c7cdba31ed8b87526db978976392802d3f93110c\",\n                            \"lessThan\": \"ee9ea1afd6990def51d52b3a0aecd5cfcc951da0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"c7cdba31ed8b87526db978976392802d3f93110c\",\n                            \"lessThan\": \"9ce26201f6dedf3fa02b97da8c67ee6f6c5f7225\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"c7cdba31ed8b87526db978976392802d3f93110c\",\n                            \"lessThan\": \"f9526054c2b2cace5916b7225603d008834ec011\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"c7cdba31ed8b87526db978976392802d3f93110c\",\n                            \"lessThan\": \"e8304e25c6dabb8accf38b807969438d0ce84fd7\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"c7cdba31ed8b87526db978976392802d3f93110c\",\n                            \"lessThan\": \"ca49763c42c1089d654bf11b037980a9ede3772c\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"c7cdba31ed8b87526db978976392802d3f93110c\",\n                            \"lessThan\": \"293c56a66510bb7de073a1aba388e38abddff1fb\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"c7cdba31ed8b87526db978976392802d3f93110c\",\n                            \"lessThan\": \"b808a9af5fd21f9c68b0d024eda7535b5dce6a4e\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"c7cdba31ed8b87526db978976392802d3f93110c\",\n                            \"lessThan\": \"e5c8d7acd31b27057ea42cd405d0b3ece097bc89\",\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/net/wireless/virtual/virt_wifi.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"5.0\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"5.0\",\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\": \"6.12.112\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.54\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2.8\",\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":[{"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/ee9ea1afd6990def51d52b3a0aecd5cfcc951da0","https://git.kernel.org/stable/c/9ce26201f6dedf3fa02b97da8c67ee6f6c5f7225","https://git.kernel.org/stable/c/f9526054c2b2cace5916b7225603d008834ec011","https://git.kernel.org/stable/c/e8304e25c6dabb8accf38b807969438d0ce84fd7","https://git.kernel.org/stable/c/ca49763c42c1089d654bf11b037980a9ede3772c","https://git.kernel.org/stable/c/293c56a66510bb7de073a1aba388e38abddff1fb","https://git.kernel.org/stable/c/b808a9af5fd21f9c68b0d024eda7535b5dce6a4e","https://git.kernel.org/stable/c/e5c8d7acd31b27057ea42cd405d0b3ece097bc89"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-98311","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-98311","identifiers":["CVE-2026-98311"]},"retained":false,"historicalAffected":[]}],"coverage":[]}