{"cve":"CVE-2021-47028","nvd":{"published":"2024-02-28T09:15:39.430","modified":"2026-08-04T10:16:42.050","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nmt76: mt7915: fix txrate reporting\n\nProperly check rate_info to fix unexpected reporting.\n\n[ 1215.161863] Call trace:\n[ 1215.164307]  cfg80211_calculate_bitrate+0x124/0x200 [cfg80211]\n[ 1215.170139]  ieee80211s_update_metric+0x80/0xc0 [mac80211]\n[ 1215.175624]  ieee80211_tx_status_ext+0x508/0x838 [mac80211]\n[ 1215.181190]  mt7915_mcu_get_rx_rate+0x28c/0x8d0 [mt7915e]\n[ 1215.186580]  mt7915_mac_tx_free+0x324/0x7c0 [mt7915e]\n[ 1215.191623]  mt7915_queue_rx_skb+0xa8/0xd0 [mt7915e]\n[ 1215.196582]  mt76_dma_cleanup+0x7b0/0x11d0 [mt76]\n[ 1215.201276]  __napi_poll+0x38/0xf8\n[ 1215.204668]  napi_workfn+0x40/0x80\n[ 1215.208062]  process_one_work+0x1fc/0x390\n[ 1215.212062]  worker_thread+0x48/0x4d0\n[ 1215.215715]  kthread+0x120/0x128\n[ 1215.218935]  ret_from_fork+0x10/0x1c","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:H/A:H","score":7.8},"cwes":[],"references":["https://git.kernel.org/stable/c/4bd926e5ca88eac4d95eacb806b229f8729bc62e","https://git.kernel.org/stable/c/dfc8a71448c7d4fec38fb22bdc8a76d79c14b6da","https://git.kernel.org/stable/c/f43b941fd61003659a3f0e039595e5e525917aa8","https://git.kernel.org/stable/c/4bd926e5ca88eac4d95eacb806b229f8729bc62e","https://git.kernel.org/stable/c/dfc8a71448c7d4fec38fb22bdc8a76d79c14b6da"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:45:59.823092188+00:00"},"epss":{"cve":"CVE-2021-47028","score":0.00351,"percentile":0.28775,"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."]}