{"cve":"CVE-2021-47331","nvd":{"published":"2024-05-21T15:15:20.067","modified":"2026-06-17T04:17:12.917","status":"Analyzed","description":"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.","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":["CWE-476"],"references":["https://git.kernel.org/stable/c/1a133a0996d6b4c83509d570ed4edcba34c44f25","https://git.kernel.org/stable/c/436906fd248e018403bcda61a9311d9af02912f1","https://git.kernel.org/stable/c/880287910b1892ed2cb38977893b947382a09d21","https://git.kernel.org/stable/c/8e8d910e9a3a7fba86140aff4924c30955ab228b","https://git.kernel.org/stable/c/1a133a0996d6b4c83509d570ed4edcba34c44f25"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:50:30.954589733+00:00"},"epss":{"cve":"CVE-2021-47331","score":0.00235,"percentile":0.14548,"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."]}