CVE-2021-47028

HighCVSS 7.8/10Last modified Aug 4, 2026

Description

In the Linux kernel, the following vulnerability has been resolved:

mt76: mt7915: fix txrate reporting

Properly check rate_info to fix unexpected reporting.

[ 1215.161863] Call trace: [ 1215.164307] cfg80211_calculate_bitrate+0x124/0x200 [cfg80211] [ 1215.170139] ieee80211s_update_metric+0x80/0xc0 [mac80211] [ 1215.175624] ieee80211_tx_status_ext+0x508/0x838 [mac80211] [ 1215.181190] mt7915_mcu_get_rx_rate+0x28c/0x8d0 [mt7915e] [ 1215.186580] mt7915_mac_tx_free+0x324/0x7c0 [mt7915e] [ 1215.191623] mt7915_queue_rx_skb+0xa8/0xd0 [mt7915e] [ 1215.196582] mt76_dma_cleanup+0x7b0/0x11d0 [mt76] [ 1215.201276] __napi_poll+0x38/0xf8 [ 1215.204668] napi_workfn+0x40/0x80 [ 1215.208062] process_one_work+0x1fc/0x390 [ 1215.212062] worker_thread+0x48/0x4d0 [ 1215.215715] kthread+0x120/0x128 [ 1215.218935] ret_from_fork+0x10/0x1c

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected software

VendorProductVersions
LinuxLinux>= e57b7901469fc0b021930b83a8094baaf3d81b09, < dfc8a71448c7d4fec38fb22bdc8a76d79c14b6da; >= e57b7901469fc0b021930b83a8094baaf3d81b09, < 4bd926e5ca88eac4d95eacb806b229f8729bc62e; >= e57b7901469fc0b021930b83a8094baaf3d81b09, < f43b941fd61003659a3f0e039595e5e525917aa8
LinuxLinux5.8

References

Timeline

Published
Feb 28, 2024
Last modified
Aug 4, 2026
NVD status
Modified

Related CVEs from 2021

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CVE-2021-47028: High severity, CVSS 7.8 | Vulnix