fkie_cve-2021-47395
Vulnerability from fkie_nvd
Published
2024-05-21 15:15
Modified
2025-09-25 15:36
Severity ?
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
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
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/1282bb00835ff79d2d9c023055d514df5b4de260Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/13cb6d826e0ac0d144b0d48191ff1a111d32f0c6Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/76538c7b4df314bb937e44c5cb1782f37d47443cPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/997ee230e4f5285cd98445c102d9033c7ec4814bPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/ab85997465b972d39d9747fc16311fa5773374b2Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/ce5f372f5f084ff51c285fc27b232f15a3d00f0bPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/e5bb852aa2ad963074f0ad73030dbc20a30853e3Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/1282bb00835ff79d2d9c023055d514df5b4de260Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/13cb6d826e0ac0d144b0d48191ff1a111d32f0c6Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/76538c7b4df314bb937e44c5cb1782f37d47443cPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/997ee230e4f5285cd98445c102d9033c7ec4814bPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/ab85997465b972d39d9747fc16311fa5773374b2Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/ce5f372f5f084ff51c285fc27b232f15a3d00f0bPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/e5bb852aa2ad963074f0ad73030dbc20a30853e3Patch
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel 5.15
linux linux_kernel 5.15
linux linux_kernel 5.15


To clipboard 

{
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  "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"
    }
  ],
  "id": "CVE-2021-47395",
  "lastModified": "2025-09-25T15:36:57.800",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2024-05-21T15:15:24.810",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
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    },
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    },
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      "tags": [
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    },
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    },
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      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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      "url": "https://git.kernel.org/stable/c/ce5f372f5f084ff51c285fc27b232f15a3d00f0b"
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  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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