{"id":"CVE-2021-47331","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nusb: common: usb-conn-gpio: fix NULL pointer dereference of charger\n\nWhen power on system with OTG cable, IDDIG's interrupt arises before\nthe charger registration, it will cause a NULL pointer dereference,\nfix the issue by registering the power supply before requesting\nIDDIG/VBUS irq.","modified":"2026-03-15T22:00:18.836494Z","published":"2024-05-21T15:15:20.067Z","references":[{"type":"FIX","url":"https://git.kernel.org/stable/c/880287910b1892ed2cb38977893b947382a09d21"},{"type":"FIX","url":"https://git.kernel.org/stable/c/8e8d910e9a3a7fba86140aff4924c30955ab228b"},{"type":"FIX","url":"https://git.kernel.org/stable/c/1a133a0996d6b4c83509d570ed4edcba34c44f25"},{"type":"FIX","url":"https://git.kernel.org/stable/c/436906fd248e018403bcda61a9311d9af02912f1"}],"affected":[{"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-47331.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"fixed":"5.10.52"}]},{"events":[{"introduced":"5.11"},{"fixed":"5.12.19"}]},{"events":[{"introduced":"5.13"},{"fixed":"5.13.4"}]}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}