{"cve":"CVE-2021-47101","nvd":{"published":"2024-03-04T18:15:08.450","modified":"2026-06-17T04:16:29.097","status":"Analyzed","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nasix: fix uninit-value in asix_mdio_read()\n\nasix_read_cmd() may read less than sizeof(smsr) bytes and in this case\nsmsr will be uninitialized.\n\nFail log:\nBUG: KMSAN: uninit-value in asix_check_host_enable drivers/net/usb/asix_common.c:82 [inline]\nBUG: KMSAN: uninit-value in asix_check_host_enable drivers/net/usb/asix_common.c:82 [inline] drivers/net/usb/asix_common.c:497\nBUG: KMSAN: uninit-value in asix_mdio_read+0x3c1/0xb00 drivers/net/usb/asix_common.c:497 drivers/net/usb/asix_common.c:497\n asix_check_host_enable drivers/net/usb/asix_common.c:82 [inline]\n asix_check_host_enable drivers/net/usb/asix_common.c:82 [inline] drivers/net/usb/asix_common.c:497\n asix_mdio_read+0x3c1/0xb00 drivers/net/usb/asix_common.c:497 drivers/net/usb/asix_common.c:497","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H","score":7.1},"cwes":["CWE-908"],"references":["https://git.kernel.org/stable/c/8035b1a2a37a29d8c717ef84fca8fe7278bc9f03","https://git.kernel.org/stable/c/d259f621c85949f30cc578cac813b82bb5169f56","https://git.kernel.org/stable/c/8035b1a2a37a29d8c717ef84fca8fe7278bc9f03","https://git.kernel.org/stable/c/d259f621c85949f30cc578cac813b82bb5169f56"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:46:54.846886191+00:00"},"epss":{"cve":"CVE-2021-47101","score":0.00221,"percentile":0.12674,"date":"2026-11-01"},"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."]}