CVE-2021-47395 (GCVE-0-2021-47395)
Vulnerability from cvelistv5 – Published: 2024-05-21 15:03 – Updated: 2026-05-11 13:53
VLAI
EPSS
VEX
Title
mac80211: limit injected vht mcs/nss in ieee80211_parse_tx_radiotap
Summary
In the Linux kernel, the following vulnerability has been resolved:
mac80211: limit injected vht mcs/nss in ieee80211_parse_tx_radiotap
Limit max values for vht mcs and nss in ieee80211_parse_tx_radiotap
routine in order to fix the following warning reported by syzbot:
WARNING: CPU: 0 PID: 10717 at include/net/mac80211.h:989 ieee80211_rate_set_vht include/net/mac80211.h:989 [inline]
WARNING: CPU: 0 PID: 10717 at include/net/mac80211.h:989 ieee80211_parse_tx_radiotap+0x101e/0x12d0 net/mac80211/tx.c:2244
Modules linked in:
CPU: 0 PID: 10717 Comm: syz-executor.5 Not tainted 5.14.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:ieee80211_rate_set_vht include/net/mac80211.h:989 [inline]
RIP: 0010:ieee80211_parse_tx_radiotap+0x101e/0x12d0 net/mac80211/tx.c:2244
RSP: 0018:ffffc9000186f3e8 EFLAGS: 00010216
RAX: 0000000000000618 RBX: ffff88804ef76500 RCX: ffffc900143a5000
RDX: 0000000000040000 RSI: ffffffff888f478e RDI: 0000000000000003
RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000000000100
R10: ffffffff888f46f9 R11: 0000000000000000 R12: 00000000fffffff8
R13: ffff88804ef7653c R14: 0000000000000001 R15: 0000000000000004
FS: 00007fbf5718f700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2de23000 CR3: 000000006a671000 CR4: 00000000001506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
ieee80211_monitor_select_queue+0xa6/0x250 net/mac80211/iface.c:740
netdev_core_pick_tx+0x169/0x2e0 net/core/dev.c:4089
__dev_queue_xmit+0x6f9/0x3710 net/core/dev.c:4165
__bpf_tx_skb net/core/filter.c:2114 [inline]
__bpf_redirect_no_mac net/core/filter.c:2139 [inline]
__bpf_redirect+0x5ba/0xd20 net/core/filter.c:2162
____bpf_clone_redirect net/core/filter.c:2429 [inline]
bpf_clone_redirect+0x2ae/0x420 net/core/filter.c:2401
bpf_prog_eeb6f53a69e5c6a2+0x59/0x234
bpf_dispatcher_nop_func include/linux/bpf.h:717 [inline]
__bpf_prog_run include/linux/filter.h:624 [inline]
bpf_prog_run include/linux/filter.h:631 [inline]
bpf_test_run+0x381/0xa30 net/bpf/test_run.c:119
bpf_prog_test_run_skb+0xb84/0x1ee0 net/bpf/test_run.c:663
bpf_prog_test_run kernel/bpf/syscall.c:3307 [inline]
__sys_bpf+0x2137/0x5df0 kernel/bpf/syscall.c:4605
__do_sys_bpf kernel/bpf/syscall.c:4691 [inline]
__se_sys_bpf kernel/bpf/syscall.c:4689 [inline]
__x64_sys_bpf+0x75/0xb0 kernel/bpf/syscall.c:4689
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x4665f9
Severity
No CVSS data available.
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-05-21 17:32 UTC
Assigner
References
7 references
Impacted products
2 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Linux | Linux |
Affected:
646e76bb5daf4ca38438c69ffb72cccb605f3466 , < e5bb852aa2ad963074f0ad73030dbc20a30853e3
(git)
Affected: 646e76bb5daf4ca38438c69ffb72cccb605f3466 , < ce5f372f5f084ff51c285fc27b232f15a3d00f0b (git) Affected: 646e76bb5daf4ca38438c69ffb72cccb605f3466 , < 76538c7b4df314bb937e44c5cb1782f37d47443c (git) Affected: 646e76bb5daf4ca38438c69ffb72cccb605f3466 , < ab85997465b972d39d9747fc16311fa5773374b2 (git) Affected: 646e76bb5daf4ca38438c69ffb72cccb605f3466 , < 1282bb00835ff79d2d9c023055d514df5b4de260 (git) Affected: 646e76bb5daf4ca38438c69ffb72cccb605f3466 , < 997ee230e4f5285cd98445c102d9033c7ec4814b (git) Affected: 646e76bb5daf4ca38438c69ffb72cccb605f3466 , < 13cb6d826e0ac0d144b0d48191ff1a111d32f0c6 (git) |
guessed | |
| Linux | Linux |
Affected:
4.7
Unaffected: 0 , < 4.7 (semver) Unaffected: 4.9.285 , ≤ 4.9.* (semver) Unaffected: 4.14.249 , ≤ 4.14.* (semver) Unaffected: 4.19.209 , ≤ 4.19.* (semver) Unaffected: 5.4.151 , ≤ 5.4.* (semver) Unaffected: 5.10.71 , ≤ 5.10.* (semver) Unaffected: 5.14.10 , ≤ 5.14.* (semver) Unaffected: 5.15 , ≤ * (original_commit_for_fix) |
guessed |
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmac80211: limit injected vht mcs/nss in ieee80211_parse_tx_radiotap\n\nLimit max values for vht mcs and nss in ieee80211_parse_tx_radiotap\nroutine in order to fix the following warning reported by syzbot:\n\nWARNING: CPU: 0 PID: 10717 at include/net/mac80211.h:989 ieee80211_rate_set_vht include/net/mac80211.h:989 [inline]\nWARNING: CPU: 0 PID: 10717 at include/net/mac80211.h:989 ieee80211_parse_tx_radiotap+0x101e/0x12d0 net/mac80211/tx.c:2244\nModules linked in:\nCPU: 0 PID: 10717 Comm: syz-executor.5 Not tainted 5.14.0-syzkaller #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011\nRIP: 0010:ieee80211_rate_set_vht include/net/mac80211.h:989 [inline]\nRIP: 0010:ieee80211_parse_tx_radiotap+0x101e/0x12d0 net/mac80211/tx.c:2244\nRSP: 0018:ffffc9000186f3e8 EFLAGS: 00010216\nRAX: 0000000000000618 RBX: ffff88804ef76500 RCX: ffffc900143a5000\nRDX: 0000000000040000 RSI: ffffffff888f478e RDI: 0000000000000003\nRBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000000000100\nR10: ffffffff888f46f9 R11: 0000000000000000 R12: 00000000fffffff8\nR13: ffff88804ef7653c R14: 0000000000000001 R15: 0000000000000004\nFS: 00007fbf5718f700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 0000001b2de23000 CR3: 000000006a671000 CR4: 00000000001506f0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600\nCall Trace:\n ieee80211_monitor_select_queue+0xa6/0x250 net/mac80211/iface.c:740\n netdev_core_pick_tx+0x169/0x2e0 net/core/dev.c:4089\n __dev_queue_xmit+0x6f9/0x3710 net/core/dev.c:4165\n __bpf_tx_skb net/core/filter.c:2114 [inline]\n __bpf_redirect_no_mac net/core/filter.c:2139 [inline]\n __bpf_redirect+0x5ba/0xd20 net/core/filter.c:2162\n ____bpf_clone_redirect net/core/filter.c:2429 [inline]\n bpf_clone_redirect+0x2ae/0x420 net/core/filter.c:2401\n bpf_prog_eeb6f53a69e5c6a2+0x59/0x234\n bpf_dispatcher_nop_func include/linux/bpf.h:717 [inline]\n __bpf_prog_run include/linux/filter.h:624 [inline]\n bpf_prog_run include/linux/filter.h:631 [inline]\n bpf_test_run+0x381/0xa30 net/bpf/test_run.c:119\n bpf_prog_test_run_skb+0xb84/0x1ee0 net/bpf/test_run.c:663\n bpf_prog_test_run kernel/bpf/syscall.c:3307 [inline]\n __sys_bpf+0x2137/0x5df0 kernel/bpf/syscall.c:4605\n __do_sys_bpf kernel/bpf/syscall.c:4691 [inline]\n __se_sys_bpf kernel/bpf/syscall.c:4689 [inline]\n __x64_sys_bpf+0x75/0xb0 kernel/bpf/syscall.c:4689\n do_syscall_x64 arch/x86/entry/common.c:50 [inline]\n do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80\n entry_SYSCALL_64_after_hwframe+0x44/0xae\nRIP: 0033:0x4665f9"
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"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"cveId": "CVE-2021-47395",
"datePublished": "2024-05-21T15:03:52.151Z",
"dateReserved": "2024-05-21T14:58:30.814Z",
"dateUpdated": "2026-05-11T13:53:51.680Z",
"state": "PUBLISHED"
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"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2021-47395",
"date": "2026-09-16",
"epss": "0.0024",
"percentile": "0.15247"
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"fkie_nvd": {
"descriptions": "[{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nmac80211: limit injected vht mcs/nss in ieee80211_parse_tx_radiotap\\n\\nLimit max values for vht mcs and nss in ieee80211_parse_tx_radiotap\\nroutine in order to fix the following warning reported by syzbot:\\n\\nWARNING: CPU: 0 PID: 10717 at include/net/mac80211.h:989 ieee80211_rate_set_vht include/net/mac80211.h:989 [inline]\\nWARNING: CPU: 0 PID: 10717 at include/net/mac80211.h:989 ieee80211_parse_tx_radiotap+0x101e/0x12d0 net/mac80211/tx.c:2244\\nModules linked in:\\nCPU: 0 PID: 10717 Comm: syz-executor.5 Not tainted 5.14.0-syzkaller #0\\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011\\nRIP: 0010:ieee80211_rate_set_vht include/net/mac80211.h:989 [inline]\\nRIP: 0010:ieee80211_parse_tx_radiotap+0x101e/0x12d0 net/mac80211/tx.c:2244\\nRSP: 0018:ffffc9000186f3e8 EFLAGS: 00010216\\nRAX: 0000000000000618 RBX: ffff88804ef76500 RCX: ffffc900143a5000\\nRDX: 0000000000040000 RSI: ffffffff888f478e RDI: 0000000000000003\\nRBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000000000100\\nR10: ffffffff888f46f9 R11: 0000000000000000 R12: 00000000fffffff8\\nR13: ffff88804ef7653c R14: 0000000000000001 R15: 0000000000000004\\nFS: 00007fbf5718f700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000\\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\\nCR2: 0000001b2de23000 CR3: 000000006a671000 CR4: 00000000001506f0\\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600\\nCall Trace:\\n ieee80211_monitor_select_queue+0xa6/0x250 net/mac80211/iface.c:740\\n netdev_core_pick_tx+0x169/0x2e0 net/core/dev.c:4089\\n __dev_queue_xmit+0x6f9/0x3710 net/core/dev.c:4165\\n __bpf_tx_skb net/core/filter.c:2114 [inline]\\n __bpf_redirect_no_mac net/core/filter.c:2139 [inline]\\n __bpf_redirect+0x5ba/0xd20 net/core/filter.c:2162\\n ____bpf_clone_redirect net/core/filter.c:2429 [inline]\\n bpf_clone_redirect+0x2ae/0x420 net/core/filter.c:2401\\n bpf_prog_eeb6f53a69e5c6a2+0x59/0x234\\n bpf_dispatcher_nop_func include/linux/bpf.h:717 [inline]\\n __bpf_prog_run include/linux/filter.h:624 [inline]\\n bpf_prog_run include/linux/filter.h:631 [inline]\\n bpf_test_run+0x381/0xa30 net/bpf/test_run.c:119\\n bpf_prog_test_run_skb+0xb84/0x1ee0 net/bpf/test_run.c:663\\n bpf_prog_test_run kernel/bpf/syscall.c:3307 [inline]\\n __sys_bpf+0x2137/0x5df0 kernel/bpf/syscall.c:4605\\n __do_sys_bpf kernel/bpf/syscall.c:4691 [inline]\\n __se_sys_bpf kernel/bpf/syscall.c:4689 [inline]\\n __x64_sys_bpf+0x75/0xb0 kernel/bpf/syscall.c:4689\\n do_syscall_x64 arch/x86/entry/common.c:50 [inline]\\n do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80\\n entry_SYSCALL_64_after_hwframe+0x44/0xae\\nRIP: 0033:0x4665f9\"}, {\"lang\": \"es\", \"value\": \"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: mac80211: l\\u00edmite inyectado de vht mcs/nss en ieee80211_parse_tx_radiotap. Limite los valores m\\u00e1ximos para vht mcs y nss en la rutina ieee80211_parse_tx_radiotap para corregir la siguiente advertencia reportada por syzbot: ADVERTENCIA: CPU: 0 PID : 10717 en include/net/mac80211.h:989 ieee80211_rate_set_vht include/net/mac80211.h:989 [en l\\u00ednea] ADVERTENCIA: CPU: 0 PID: 10717 en include/net/mac80211.h:989 ieee80211_parse_tx_radiotap+0x101e/0x12 d0 neto/ mac80211/tx.c:2244 M\\u00f3dulos vinculados en: CPU: 0 PID: 10717 Comm: syz-executor.5 Not tainted 5.14.0-syzkaller #0 Nombre del hardware: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01 /2011 RIP: 0010:ieee80211_rate_set_vht include/net/mac80211.h:989 [en l\\u00ednea] RIP: 0010:ieee80211_parse_tx_radiotap+0x101e/0x12d0 net/mac80211/tx.c:2244 RSP: 86f3e8 EFLAGS: 00010216 RAX: 0000000000000618 RBX: ffff88804ef76500 RCX: ffffc900143a5000 RDX: 0000000000040000 RSI: ffffffff888f478e RDI: 0000000000000003 RBP: 00000000ffffffff R08: 000 R09: 0000000000000100 R10: ffffffff888f46f9 R11: 0000000000000000 R12: 00000000ffffff8 R13: ffff88804ef7653c R14: 0000000000000001 R15: 0000000000000004 FS: 00007fbf5718f700(0000) GS:ffff8880b9c00000( 0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2de23000 CR3: 000000006a671000 CR4: 000000000015 06f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffe0ff0 DR7: 0000000000000600 ieee80211_monitor_select_queue+0xa6 /0x250 net/mac80211/iface.c:740 netdev_core_pick_tx+0x169/0x2e0 net/core/dev.c:4089 __dev_queue_xmit+0x6f9/0x3710 net/core/dev.c:4165 __bpf_tx_skb net/core/filter.c:2114 [ en l\\u00ednea] __bpf_redirect_no_mac net/core/filter.c:2139 [en l\\u00ednea] __bpf_redirect+0x5ba/0xd20 net/core/filter.c:2162 ____bpf_clone_redirect net/core/filter.c:2429 [en l\\u00ednea] bpf_clone_redirect+0x2ae/0x420 net/core /filter.c:2401 bpf_prog_eeb6f53a69e5c6a2+0x59/0x234 bpf_dispatcher_nop_func include/linux/bpf.h:717 [en l\\u00ednea] __bpf_prog_run include/linux/filter.h:624 [en l\\u00ednea] bpf_prog_run include/linux/filter.h:631 [ en l\\u00ednea] bpf_test_run+0x381/0xa30 net/bpf/test_run.c:119 bpf_prog_test_run_skb+0xb84/0x1ee0 net/bpf/test_run.c:663 bpf_prog_test_run kernel/bpf/syscall.c:3307 [en l\\u00ednea] 5df0 n\\u00facleo/bpf/ syscall.c:4605 __do_sys_bpf kernel/bpf/syscall.c:4691 [en l\\u00ednea] __se_sys_bpf kernel/bpf/syscall.c:4689 [en l\\u00ednea] __x64_sys_bpf+0x75/0xb0 kernel/bpf/syscall.c:4689 4 arco/x86/ entrada/common.c:50 [en l\\u00ednea] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entrada_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x4665f9\"}]",
"id": "CVE-2021-47395",
"lastModified": "2024-11-21T06:36:03.423",
"published": "2024-05-21T15:15:24.810",
"references": "[{\"url\": \"https://git.kernel.org/stable/c/1282bb00835ff79d2d9c023055d514df5b4de260\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}, {\"url\": \"https://git.kernel.org/stable/c/13cb6d826e0ac0d144b0d48191ff1a111d32f0c6\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}, {\"url\": \"https://git.kernel.org/stable/c/76538c7b4df314bb937e44c5cb1782f37d47443c\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}, {\"url\": \"https://git.kernel.org/stable/c/997ee230e4f5285cd98445c102d9033c7ec4814b\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}, {\"url\": \"https://git.kernel.org/stable/c/ab85997465b972d39d9747fc16311fa5773374b2\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}, {\"url\": \"https://git.kernel.org/stable/c/ce5f372f5f084ff51c285fc27b232f15a3d00f0b\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}, {\"url\": \"https://git.kernel.org/stable/c/e5bb852aa2ad963074f0ad73030dbc20a30853e3\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}, {\"url\": \"https://git.kernel.org/stable/c/1282bb00835ff79d2d9c023055d514df5b4de260\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://git.kernel.org/stable/c/13cb6d826e0ac0d144b0d48191ff1a111d32f0c6\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://git.kernel.org/stable/c/76538c7b4df314bb937e44c5cb1782f37d47443c\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://git.kernel.org/stable/c/997ee230e4f5285cd98445c102d9033c7ec4814b\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://git.kernel.org/stable/c/ab85997465b972d39d9747fc16311fa5773374b2\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://git.kernel.org/stable/c/ce5f372f5f084ff51c285fc27b232f15a3d00f0b\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://git.kernel.org/stable/c/e5bb852aa2ad963074f0ad73030dbc20a30853e3\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}]",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"vulnStatus": "Awaiting Analysis"
},
"nvd": "{\"cve\":{\"id\":\"CVE-2021-47395\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-05-21T15:15:24.810\",\"lastModified\":\"2026-06-17T04:17:22.350\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nmac80211: limit injected vht mcs/nss in ieee80211_parse_tx_radiotap\\n\\nLimit max values for vht mcs and nss in ieee80211_parse_tx_radiotap\\nroutine in order to fix the following warning reported by syzbot:\\n\\nWARNING: CPU: 0 PID: 10717 at include/net/mac80211.h:989 ieee80211_rate_set_vht include/net/mac80211.h:989 [inline]\\nWARNING: CPU: 0 PID: 10717 at include/net/mac80211.h:989 ieee80211_parse_tx_radiotap+0x101e/0x12d0 net/mac80211/tx.c:2244\\nModules linked in:\\nCPU: 0 PID: 10717 Comm: syz-executor.5 Not tainted 5.14.0-syzkaller #0\\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011\\nRIP: 0010:ieee80211_rate_set_vht include/net/mac80211.h:989 [inline]\\nRIP: 0010:ieee80211_parse_tx_radiotap+0x101e/0x12d0 net/mac80211/tx.c:2244\\nRSP: 0018:ffffc9000186f3e8 EFLAGS: 00010216\\nRAX: 0000000000000618 RBX: ffff88804ef76500 RCX: ffffc900143a5000\\nRDX: 0000000000040000 RSI: ffffffff888f478e RDI: 0000000000000003\\nRBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000000000100\\nR10: ffffffff888f46f9 R11: 0000000000000000 R12: 00000000fffffff8\\nR13: ffff88804ef7653c R14: 0000000000000001 R15: 0000000000000004\\nFS: 00007fbf5718f700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000\\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\\nCR2: 0000001b2de23000 CR3: 000000006a671000 CR4: 00000000001506f0\\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600\\nCall Trace:\\n ieee80211_monitor_select_queue+0xa6/0x250 net/mac80211/iface.c:740\\n netdev_core_pick_tx+0x169/0x2e0 net/core/dev.c:4089\\n __dev_queue_xmit+0x6f9/0x3710 net/core/dev.c:4165\\n __bpf_tx_skb net/core/filter.c:2114 [inline]\\n __bpf_redirect_no_mac net/core/filter.c:2139 [inline]\\n __bpf_redirect+0x5ba/0xd20 net/core/filter.c:2162\\n ____bpf_clone_redirect net/core/filter.c:2429 [inline]\\n bpf_clone_redirect+0x2ae/0x420 net/core/filter.c:2401\\n bpf_prog_eeb6f53a69e5c6a2+0x59/0x234\\n bpf_dispatcher_nop_func include/linux/bpf.h:717 [inline]\\n __bpf_prog_run include/linux/filter.h:624 [inline]\\n bpf_prog_run include/linux/filter.h:631 [inline]\\n bpf_test_run+0x381/0xa30 net/bpf/test_run.c:119\\n bpf_prog_test_run_skb+0xb84/0x1ee0 net/bpf/test_run.c:663\\n bpf_prog_test_run kernel/bpf/syscall.c:3307 [inline]\\n __sys_bpf+0x2137/0x5df0 kernel/bpf/syscall.c:4605\\n __do_sys_bpf kernel/bpf/syscall.c:4691 [inline]\\n __se_sys_bpf kernel/bpf/syscall.c:4689 [inline]\\n __x64_sys_bpf+0x75/0xb0 kernel/bpf/syscall.c:4689\\n do_syscall_x64 arch/x86/entry/common.c:50 [inline]\\n do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80\\n entry_SYSCALL_64_after_hwframe+0x44/0xae\\nRIP: 0033:0x4665f9\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: mac80211: l\u00edmite inyectado de vht mcs/nss en ieee80211_parse_tx_radiotap. Limite los valores m\u00e1ximos para vht mcs y nss en la rutina ieee80211_parse_tx_radiotap para corregir la siguiente advertencia reportada por syzbot: ADVERTENCIA: CPU: 0 PID : 10717 en include/net/mac80211.h:989 ieee80211_rate_set_vht include/net/mac80211.h:989 [en l\u00ednea] ADVERTENCIA: CPU: 0 PID: 10717 en include/net/mac80211.h:989 ieee80211_parse_tx_radiotap+0x101e/0x12 d0 neto/ mac80211/tx.c:2244 M\u00f3dulos vinculados en: CPU: 0 PID: 10717 Comm: syz-executor.5 Not tainted 5.14.0-syzkaller #0 Nombre del hardware: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01 /2011 RIP: 0010:ieee80211_rate_set_vht include/net/mac80211.h:989 [en l\u00ednea] RIP: 0010:ieee80211_parse_tx_radiotap+0x101e/0x12d0 net/mac80211/tx.c:2244 RSP: 86f3e8 EFLAGS: 00010216 RAX: 0000000000000618 RBX: ffff88804ef76500 RCX: ffffc900143a5000 RDX: 0000000000040000 RSI: ffffffff888f478e RDI: 0000000000000003 RBP: 00000000ffffffff R08: 000 R09: 0000000000000100 R10: ffffffff888f46f9 R11: 0000000000000000 R12: 00000000ffffff8 R13: ffff88804ef7653c R14: 0000000000000001 R15: 0000000000000004 FS: 00007fbf5718f700(0000) GS:ffff8880b9c00000( 0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2de23000 CR3: 000000006a671000 CR4: 000000000015 06f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffe0ff0 DR7: 0000000000000600 ieee80211_monitor_select_queue+0xa6 /0x250 net/mac80211/iface.c:740 netdev_core_pick_tx+0x169/0x2e0 net/core/dev.c:4089 __dev_queue_xmit+0x6f9/0x3710 net/core/dev.c:4165 __bpf_tx_skb net/core/filter.c:2114 [ en l\u00ednea] __bpf_redirect_no_mac net/core/filter.c:2139 [en l\u00ednea] __bpf_redirect+0x5ba/0xd20 net/core/filter.c:2162 ____bpf_clone_redirect net/core/filter.c:2429 [en l\u00ednea] bpf_clone_redirect+0x2ae/0x420 net/core /filter.c:2401 bpf_prog_eeb6f53a69e5c6a2+0x59/0x234 bpf_dispatcher_nop_func include/linux/bpf.h:717 [en l\u00ednea] __bpf_prog_run include/linux/filter.h:624 [en l\u00ednea] bpf_prog_run include/linux/filter.h:631 [ en l\u00ednea] bpf_test_run+0x381/0xa30 net/bpf/test_run.c:119 bpf_prog_test_run_skb+0xb84/0x1ee0 net/bpf/test_run.c:663 bpf_prog_test_run kernel/bpf/syscall.c:3307 [en l\u00ednea] 5df0 n\u00facleo/bpf/ syscall.c:4605 __do_sys_bpf kernel/bpf/syscall.c:4691 [en l\u00ednea] __se_sys_bpf kernel/bpf/syscall.c:4689 [en l\u00ednea] __x64_sys_bpf+0x75/0xb0 kernel/bpf/syscall.c:4689 4 arco/x86/ entrada/common.c:50 [en l\u00ednea] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entrada_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x4665f9\"}],\"affected\":[{\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"affectedData\":[{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"unaffected\",\"programFiles\":[\"net/mac80211/tx.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"646e76bb5daf4ca38438c69ffb72cccb605f3466\",\"lessThan\":\"e5bb852aa2ad963074f0ad73030dbc20a30853e3\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"646e76bb5daf4ca38438c69ffb72cccb605f3466\",\"lessThan\":\"ce5f372f5f084ff51c285fc27b232f15a3d00f0b\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"646e76bb5daf4ca38438c69ffb72cccb605f3466\",\"lessThan\":\"76538c7b4df314bb937e44c5cb1782f37d47443c\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"646e76bb5daf4ca38438c69ffb72cccb605f3466\",\"lessThan\":\"ab85997465b972d39d9747fc16311fa5773374b2\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"646e76bb5daf4ca38438c69ffb72cccb605f3466\",\"lessThan\":\"1282bb00835ff79d2d9c023055d514df5b4de260\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"646e76bb5daf4ca38438c69ffb72cccb605f3466\",\"lessThan\":\"997ee230e4f5285cd98445c102d9033c7ec4814b\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"646e76bb5daf4ca38438c69ffb72cccb605f3466\",\"lessThan\":\"13cb6d826e0ac0d144b0d48191ff1a111d32f0c6\",\"versionType\":\"git\",\"status\":\"affected\"}]},{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"affected\",\"programFiles\":[\"net/mac80211/tx.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"4.7\",\"status\":\"affected\"},{\"version\":\"0\",\"lessThan\":\"4.7\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"4.9.285\",\"lessThanOrEqual\":\"4.9.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"4.14.249\",\"lessThanOrEqual\":\"4.14.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"4.19.209\",\"lessThanOrEqual\":\"4.19.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.4.151\",\"lessThanOrEqual\":\"5.4.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.10.71\",\"lessThanOrEqual\":\"5.10.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.14.10\",\"lessThanOrEqual\":\"5.14.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.15\",\"lessThanOrEqual\":\"*\",\"versionType\":\"original_commit_for_fix\",\"status\":\"unaffected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}],\"ssvcV203\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"ssvcData\":{\"timestamp\":\"2024-05-21T17:32:58.211657Z\",\"id\":\"CVE-2021-47395\",\"options\":[{\"exploitation\":\"none\"},{\"automatable\":\"no\"},{\"technicalImpact\":\"partial\"}],\"role\":\"CISA 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"redhat_vex": {
"aggregate_severity": "Moderate",
"current_release_date": "2025-11-21T10:51:17+00:00",
"cve": "CVE-2021-47395",
"id": "CVE-2021-47395",
"initial_release_date": "2021-01-01T00:00:00+00:00",
"product_status:known_affected": "90",
"product_status:known_not_affected": "108",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "kernel: mac80211: limit injected vht mcs/nss in ieee80211_parse_tx_radiotap",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-47395.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "moderate",
"current_release_date": "2026-09-05T17:10:24Z",
"cve": "CVE-2021-47395",
"id": "CVE-2021-47395",
"initial_release_date": "2024-05-28T03:34:18Z",
"product_status:known_affected": "375",
"product_status:known_not_affected": "67",
"product_status:recommended": "657",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2021-47395",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2021-47395.json",
"version": "61"
},
"vulnrichment": {
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0010:ieee80211_parse_tx_radiotap+0x101e/0x12d0 net/mac80211/tx.c:2244\\nRSP: 0018:ffffc9000186f3e8 EFLAGS: 00010216\\nRAX: 0000000000000618 RBX: ffff88804ef76500 RCX: ffffc900143a5000\\nRDX: 0000000000040000 RSI: ffffffff888f478e RDI: 0000000000000003\\nRBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000000000100\\nR10: ffffffff888f46f9 R11: 0000000000000000 R12: 00000000fffffff8\\nR13: ffff88804ef7653c R14: 0000000000000001 R15: 0000000000000004\\nFS: 00007fbf5718f700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000\\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\\nCR2: 0000001b2de23000 CR3: 000000006a671000 CR4: 00000000001506f0\\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600\\nCall Trace:\\n ieee80211_monitor_select_queue+0xa6/0x250 net/mac80211/iface.c:740\\n netdev_core_pick_tx+0x169/0x2e0 net/core/dev.c:4089\\n __dev_queue_xmit+0x6f9/0x3710 net/core/dev.c:4165\\n __bpf_tx_skb net/core/filter.c:2114 [inline]\\n __bpf_redirect_no_mac net/core/filter.c:2139 [inline]\\n __bpf_redirect+0x5ba/0xd20 net/core/filter.c:2162\\n ____bpf_clone_redirect net/core/filter.c:2429 [inline]\\n bpf_clone_redirect+0x2ae/0x420 net/core/filter.c:2401\\n bpf_prog_eeb6f53a69e5c6a2+0x59/0x234\\n bpf_dispatcher_nop_func include/linux/bpf.h:717 [inline]\\n __bpf_prog_run include/linux/filter.h:624 [inline]\\n bpf_prog_run include/linux/filter.h:631 [inline]\\n bpf_test_run+0x381/0xa30 net/bpf/test_run.c:119\\n bpf_prog_test_run_skb+0xb84/0x1ee0 net/bpf/test_run.c:663\\n bpf_prog_test_run kernel/bpf/syscall.c:3307 [inline]\\n __sys_bpf+0x2137/0x5df0 kernel/bpf/syscall.c:4605\\n __do_sys_bpf kernel/bpf/syscall.c:4691 [inline]\\n __se_sys_bpf kernel/bpf/syscall.c:4689 [inline]\\n __x64_sys_bpf+0x75/0xb0 kernel/bpf/syscall.c:4689\\n do_syscall_x64 arch/x86/entry/common.c:50 [inline]\\n do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80\\n entry_SYSCALL_64_after_hwframe+0x44/0xae\\nRIP: 0033:0x4665f9\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"4.9.285\", \"versionStartIncluding\": \"4.7\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"4.14.249\", \"versionStartIncluding\": \"4.7\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"4.19.209\", \"versionStartIncluding\": \"4.7\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.4.151\", \"versionStartIncluding\": \"4.7\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.71\", \"versionStartIncluding\": \"4.7\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, 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"cveMetadata": "{\"cveId\": \"CVE-2021-47395\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-05-11T13:53:51.680Z\", \"dateReserved\": \"2024-05-21T14:58:30.814Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-05-21T15:03:52.151Z\", \"assignerShortName\": \"Linux\"}",
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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