FKIE_CVE-2024-35900

Vulnerability from fkie_nvd - Published: 2024-05-19 09:15 - Updated: 2026-05-12 12:16
Summary
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: reject new basechain after table flag update When dormant flag is toggled, hooks are disabled in the commit phase by iterating over current chains in table (existing and new). The following configuration allows for an inconsistent state: add table x add chain x y { type filter hook input priority 0; } add table x { flags dormant; } add chain x w { type filter hook input priority 1; } which triggers the following warning when trying to unregister chain w which is already unregistered. [ 127.322252] WARNING: CPU: 7 PID: 1211 at net/netfilter/core.c:50 1 __nf_unregister_net_hook+0x21a/0x260 [...] [ 127.322519] Call Trace: [ 127.322521] <TASK> [ 127.322524] ? __warn+0x9f/0x1a0 [ 127.322531] ? __nf_unregister_net_hook+0x21a/0x260 [ 127.322537] ? report_bug+0x1b1/0x1e0 [ 127.322545] ? handle_bug+0x3c/0x70 [ 127.322552] ? exc_invalid_op+0x17/0x40 [ 127.322556] ? asm_exc_invalid_op+0x1a/0x20 [ 127.322563] ? kasan_save_free_info+0x3b/0x60 [ 127.322570] ? __nf_unregister_net_hook+0x6a/0x260 [ 127.322577] ? __nf_unregister_net_hook+0x21a/0x260 [ 127.322583] ? __nf_unregister_net_hook+0x6a/0x260 [ 127.322590] ? __nf_tables_unregister_hook+0x8a/0xe0 [nf_tables] [ 127.322655] nft_table_disable+0x75/0xf0 [nf_tables] [ 127.322717] nf_tables_commit+0x2571/0x2620 [nf_tables]
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/41bad13c0e8a5a2b47a7472cced922555372daabPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/420132bee3d0136b7fba253a597b098fe15493a7Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/6d12f21f8bbe23fde25b77c2bf5973c136b8bef8Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/745cf6a843896cdac8766c74379300ed73c78830Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/7b6fba6918714afee3e17796113ccab636255c7bPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/8ba81dca416adf82fc5a2a23abc1a8cc02ad32fbPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/994209ddf4f430946f6247616b2e33d179243769Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/e95bb4cba94c018be24b11f017d1c55dd6cda31aPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/41bad13c0e8a5a2b47a7472cced922555372daabPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/420132bee3d0136b7fba253a597b098fe15493a7Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/6d12f21f8bbe23fde25b77c2bf5973c136b8bef8Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/745cf6a843896cdac8766c74379300ed73c78830Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/7b6fba6918714afee3e17796113ccab636255c7bPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/8ba81dca416adf82fc5a2a23abc1a8cc02ad32fbPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/994209ddf4f430946f6247616b2e33d179243769Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/e95bb4cba94c018be24b11f017d1c55dd6cda31aPatch
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2024/06/msg00017.htmlMailing List, Third Party Advisory
0b142b55-0307-4c5a-b3c9-f314f3fb7c5ehttps://cert-portal.siemens.com/productcert/html/ssa-265688.html

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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: nf_tables: reject new basechain after table flag update\n\nWhen dormant flag is toggled, hooks are disabled in the commit phase by\niterating over current chains in table (existing and new).\n\nThe following configuration allows for an inconsistent state:\n\n  add table x\n  add chain x y { type filter hook input priority 0; }\n  add table x { flags dormant; }\n  add chain x w { type filter hook input priority 1; }\n\nwhich triggers the following warning when trying to unregister chain w\nwhich is already unregistered.\n\n[  127.322252] WARNING: CPU: 7 PID: 1211 at net/netfilter/core.c:50                                                                     1 __nf_unregister_net_hook+0x21a/0x260\n[...]\n[  127.322519] Call Trace:\n[  127.322521]  \u003cTASK\u003e\n[  127.322524]  ? __warn+0x9f/0x1a0\n[  127.322531]  ? __nf_unregister_net_hook+0x21a/0x260\n[  127.322537]  ? report_bug+0x1b1/0x1e0\n[  127.322545]  ? handle_bug+0x3c/0x70\n[  127.322552]  ? exc_invalid_op+0x17/0x40\n[  127.322556]  ? asm_exc_invalid_op+0x1a/0x20\n[  127.322563]  ? kasan_save_free_info+0x3b/0x60\n[  127.322570]  ? __nf_unregister_net_hook+0x6a/0x260\n[  127.322577]  ? __nf_unregister_net_hook+0x21a/0x260\n[  127.322583]  ? __nf_unregister_net_hook+0x6a/0x260\n[  127.322590]  ? __nf_tables_unregister_hook+0x8a/0xe0 [nf_tables]\n[  127.322655]  nft_table_disable+0x75/0xf0 [nf_tables]\n[  127.322717]  nf_tables_commit+0x2571/0x2620 [nf_tables]"
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: netfilter: nf_tables: rechazar nueva cadena base despu\u00e9s de actualizar la bandera de la tabla Cuando se activa la bandera inactiva, los enlaces se desactivan en la fase de confirmaci\u00f3n al iterar sobre las cadenas actuales en la tabla (existentes y nuevas). La siguiente configuraci\u00f3n permite un estado inconsistente: agregar tabla x agregar cadena xy { tipo filtro gancho entrada prioridad 0; } agregar tabla x {banderas inactivas; } agregar cadena xw {tipo filtro gancho entrada prioridad 1; } que activa la siguiente advertencia al intentar cancelar el registro de la cadena w que ya est\u00e1 cancelada. [127.322252] ADVERTENCIA: CPU: 7 PID: 1211 en net/netfilter/core.c:50 1 __nf_unregister_net_hook+0x21a/0x260 [...] [ 127.322519] Seguimiento de llamadas: [ 127.322521]  [ 127.322524] ? __advertir+0x9f/0x1a0 [ 127.322531] ? __nf_unregister_net_hook+0x21a/0x260 [127.322537]? report_bug+0x1b1/0x1e0 [127.322545]? handle_bug+0x3c/0x70 [127.322552]? exc_invalid_op+0x17/0x40 [127.322556]? asm_exc_invalid_op+0x1a/0x20 [127.322563]? kasan_save_free_info+0x3b/0x60 [127.322570]? __nf_unregister_net_hook+0x6a/0x260 [127.322577]? __nf_unregister_net_hook+0x21a/0x260 [127.322583]? __nf_unregister_net_hook+0x6a/0x260 [127.322590]? __nf_tables_unregister_hook+0x8a/0xe0 [nf_tables] [ 127.322655] nft_table_disable+0x75/0xf0 [nf_tables] [ 127.322717] nf_tables_commit+0x2571/0x2620 [nf_tables]"
    }
  ],
  "id": "CVE-2024-35900",
  "lastModified": "2026-05-12T12:16:40.340",
  "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"
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  "published": "2024-05-19T09:15:10.887",
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    {
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      "url": "https://cert-portal.siemens.com/productcert/html/ssa-265688.html"
    }
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  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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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.

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