{"id":"CVE-2022-49308","summary":"extcon: Modify extcon device to be created after driver data is set","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nextcon: Modify extcon device to be created after driver data is set\n\nCurrently, someone can invoke the sysfs such as state_show()\nintermittently before dev_set_drvdata() is done.\nAnd it can be a cause of kernel Oops because of edev is Null at that time.\nSo modified the driver registration to after setting drviver data.\n\n- Oops's backtrace.\n\nBacktrace:\n[\u003cc067865c\u003e] (state_show) from [\u003cc05222e8\u003e] (dev_attr_show)\n[\u003cc05222c0\u003e] (dev_attr_show) from [\u003cc02c66e0\u003e] (sysfs_kf_seq_show)\n[\u003cc02c6648\u003e] (sysfs_kf_seq_show) from [\u003cc02c496c\u003e] (kernfs_seq_show)\n[\u003cc02c4938\u003e] (kernfs_seq_show) from [\u003cc025e2a0\u003e] (seq_read)\n[\u003cc025e11c\u003e] (seq_read) from [\u003cc02c50a0\u003e] (kernfs_fop_read)\n[\u003cc02c5064\u003e] (kernfs_fop_read) from [\u003cc0231cac\u003e] (__vfs_read)\n[\u003cc0231c5c\u003e] (__vfs_read) from [\u003cc0231ee0\u003e] (vfs_read)\n[\u003cc0231e34\u003e] (vfs_read) from [\u003cc0232464\u003e] (ksys_read)\n[\u003cc02323f0\u003e] (ksys_read) from [\u003cc02324fc\u003e] (sys_read)\n[\u003cc02324e4\u003e] (sys_read) from [\u003cc00091d0\u003e] (__sys_trace_return)","modified":"2026-04-02T08:27:29.190028Z","published":"2025-02-26T02:10:39.648Z","related":["SUSE-SU-2025:1027-1","SUSE-SU-2025:1176-1","SUSE-SU-2025:1183-1","SUSE-SU-2025:1241-1","SUSE-SU-2025:1293-1"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49308.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/033ec4e7e59ae5e1ef1e8c10bc6552926044ed1c"},{"type":"WEB","url":"https://git.kernel.org/stable/c/35ff1ac55d301efb3f467cf5426faaeb3452994b"},{"type":"WEB","url":"https://git.kernel.org/stable/c/368e68ad6da4317fc4170e8d92b51c13d1bfe7a7"},{"type":"WEB","url":"https://git.kernel.org/stable/c/5dcc2afe716d69f5112ce035cb14f007461ff189"},{"type":"WEB","url":"https://git.kernel.org/stable/c/6e721f3ad0535b24f19a62420f4da95212cf069c"},{"type":"WEB","url":"https://git.kernel.org/stable/c/abf3b222614f49f98e606fccdd269161c0d70204"},{"type":"WEB","url":"https://git.kernel.org/stable/c/cb81ea998c461868d1168411a867d8ffee12f23f"},{"type":"WEB","url":"https://git.kernel.org/stable/c/d472c78cc82999d07bd09193a6718016ce9cd386"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49308.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-49308"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"de55d8716ac50a356cea736c29bb7db5ac3d0190"},{"fixed":"6e721f3ad0535b24f19a62420f4da95212cf069c"},{"fixed":"cb81ea998c461868d1168411a867d8ffee12f23f"},{"fixed":"d472c78cc82999d07bd09193a6718016ce9cd386"},{"fixed":"abf3b222614f49f98e606fccdd269161c0d70204"},{"fixed":"368e68ad6da4317fc4170e8d92b51c13d1bfe7a7"},{"fixed":"35ff1ac55d301efb3f467cf5426faaeb3452994b"},{"fixed":"033ec4e7e59ae5e1ef1e8c10bc6552926044ed1c"},{"fixed":"5dcc2afe716d69f5112ce035cb14f007461ff189"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-49308.json"}}],"schema_version":"1.7.5"}