CVEvulnerability
CVE-2021-47028
7.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2024-02-28
- Last modified
- 2026-08-04
- Assigner
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- CVSS 3.1 (416baaa9-dc9f-4396-8d5f-8c081fb06d67)
- 7.1 HIGH — CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
- CVSS 3.1 ([email protected])
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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
Affected configurations
• linux linux kernel (>= 5.8 < 5.11.21)
• linux linux kernel (>= 5.12 < 5.12.4)
References
- https://git.kernel.org/stable/c/4bd926e5ca88eac4d95eacb806b229f8729bc62e Patch
- https://git.kernel.org/stable/c/dfc8a71448c7d4fec38fb22bdc8a76d79c14b6da Patch
- https://git.kernel.org/stable/c/f43b941fd61003659a3f0e039595e5e525917aa8 Patch
- https://git.kernel.org/stable/c/4bd926e5ca88eac4d95eacb806b229f8729bc62e Patch
- https://git.kernel.org/stable/c/dfc8a71448c7d4fec38fb22bdc8a76d79c14b6da Patch
- https://git.kernel.org/stable/c/f43b941fd61003659a3f0e039595e5e525917aa8 Patch