{"cve":"CVE-2022-49308","nvd":{"published":"2025-02-26T07:01:07.607","modified":"2026-06-17T05:17:40.273","status":"Analyzed","description":"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[<c067865c>] (state_show) from [<c05222e8>] (dev_attr_show)\n[<c05222c0>] (dev_attr_show) from [<c02c66e0>] (sysfs_kf_seq_show)\n[<c02c6648>] (sysfs_kf_seq_show) from [<c02c496c>] (kernfs_seq_show)\n[<c02c4938>] (kernfs_seq_show) from [<c025e2a0>] (seq_read)\n[<c025e11c>] (seq_read) from [<c02c50a0>] (kernfs_fop_read)\n[<c02c5064>] (kernfs_fop_read) from [<c0231cac>] (__vfs_read)\n[<c0231c5c>] (__vfs_read) from [<c0231ee0>] (vfs_read)\n[<c0231e34>] (vfs_read) from [<c0232464>] (ksys_read)\n[<c02323f0>] (ksys_read) from [<c02324fc>] (sys_read)\n[<c02324e4>] (sys_read) from [<c00091d0>] (__sys_trace_return)","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":[],"references":["https://git.kernel.org/stable/c/033ec4e7e59ae5e1ef1e8c10bc6552926044ed1c","https://git.kernel.org/stable/c/35ff1ac55d301efb3f467cf5426faaeb3452994b","https://git.kernel.org/stable/c/368e68ad6da4317fc4170e8d92b51c13d1bfe7a7","https://git.kernel.org/stable/c/5dcc2afe716d69f5112ce035cb14f007461ff189","https://git.kernel.org/stable/c/6e721f3ad0535b24f19a62420f4da95212cf069c"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:59:48.811064707+00:00"},"epss":{"cve":"CVE-2022-49308","score":0.00284,"percentile":0.20993,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}