{"cve":"CVE-2021-47096","nvd":{"published":"2024-03-04T18:15:07.960","modified":"2026-06-17T04:16:27.977","status":"Analyzed","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: rawmidi - fix the uninitalized user_pversion\n\nThe user_pversion was uninitialized for the user space file structure\nin the open function, because the file private structure use\nkmalloc for the allocation.\n\nThe kernel ALSA sequencer code clears the file structure, so no additional\nfixes are required.\n\nBugLink: https://github.com/alsa-project/alsa-lib/issues/178","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","score":4.0},"cwes":["CWE-908"],"references":["https://git.kernel.org/stable/c/39a8fc4971a00d22536aeb7d446ee4a97810611b","https://git.kernel.org/stable/c/b398fcbe4de1e1100867fdb6f447c6fbc8fe7085","https://git.kernel.org/stable/c/39a8fc4971a00d22536aeb7d446ee4a97810611b","https://git.kernel.org/stable/c/b398fcbe4de1e1100867fdb6f447c6fbc8fe7085"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:46:54.846886191+00:00"},"epss":{"cve":"CVE-2021-47096","score":0.0021,"percentile":0.11256,"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."]}