The mac80211 subsystem in the Linux kernel before 5.12.13, when a device supporting only 5 GHz is used, allows attackers to cause a denial of service (NULL pointer dereference in the radiotap parser) by injecting a frame with 802.11a rates.
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-38206.json"
[
{
"target": {
"file": "net/mac80211/tx.c",
"function": "ieee80211_parse_tx_radiotap"
},
"digest": {
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"function_hash": "32257707705388093252025022389276530589"
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"signature_type": "Function",
"id": "CVE-2021-38206-1bcdb700",
"source": "https://github.com/torvalds/linux/commit/bddc0c411a45d3718ac535a070f349be8eca8d48",
"deprecated": false,
"signature_version": "v1"
},
{
"target": {
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},
"digest": {
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"id": "CVE-2021-38206-e5e20dd4",
"source": "https://github.com/torvalds/linux/commit/bddc0c411a45d3718ac535a070f349be8eca8d48",
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},
{
"target": {
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"function": "ieee80211_monitor_start_xmit"
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"digest": {
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"id": "CVE-2021-38206-f70cf79c",
"source": "https://github.com/torvalds/linux/commit/bddc0c411a45d3718ac535a070f349be8eca8d48",
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]