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CVE-2022-49131

Estado: ModificadaMedia (5.5)—

In the Linux kernel, the following vulnerability has been resolved:

ath11k: fix kernel panic during unload/load ath11k modules

Call netif_napi_del() from ath11k_ahb_free_ext_irq() to fix the following kernel panic when unload/load ath11k modules for few iterations.

Tested-on: IPQ8074 hw2.0 AHB WLAN.HK.2.6.0.1-00760-QCAHKSWPL_SILICONZ-1

Detalles técnicos trazas, registros y código del informe original
[  971.201365] Unable to handle kernel paging request at virtual address 6d97a208
[  971.204227] pgd = 594c2919
[  971.211478] [6d97a208] *pgd=00000000
[  971.214120] Internal error: Oops: 5 [#1] PREEMPT SMP ARM
[  971.412024] CPU: 2 PID: 4435 Comm: insmod Not tainted 5.4.89 #0
[  971.434256] Hardware name: Generic DT based system
[  971.440165] PC is at napi_by_id+0x10/0x40
[  971.445019] LR is at netif_napi_add+0x160/0x1dc

[  971.743127] (napi_by_id) from [<807d89a0>] (netif_napi_add+0x160/0x1dc)
[  971.751295] (netif_napi_add) from [<7f1209ac>] (ath11k_ahb_config_irq+0xf8/0x414 [ath11k_ahb])
[  971.759164] (ath11k_ahb_config_irq [ath11k_ahb]) from [<7f12135c>] (ath11k_ahb_probe+0x40c/0x51c [ath11k_ahb])
[  971.768567] (ath11k_ahb_probe [ath11k_ahb]) from [<80666864>] (platform_drv_probe+0x48/0x94)
[  971.779670] (platform_drv_probe) from [<80664718>] (really_probe+0x1c8/0x450)
[  971.789389] (really_probe) from [<80664cc4>] (driver_probe_device+0x15c/0x1b8)
[  971.797547] (driver_probe_device) from [<80664f60>] (device_driver_attach+0x44/0x60)
[  971.805795] (device_driver_attach) from [<806650a0>] (__driver_attach+0x124/0x140)
[  971.814822] (__driver_attach) from [<80662adc>] (bus_for_each_dev+0x58/0xa4)
[  971.823328] (bus_for_each_dev) from [<80663a2c>] (bus_add_driver+0xf0/0x1e8)
[  971.831662] (bus_add_driver) from [<806658a4>] (driver_register+0xa8/0xf0)
[  971.839822] (driver_register) from [<8030269c>] (do_one_initcall+0x78/0x1ac)
[  971.847638] (do_one_initcall) from [<80392524>] (do_init_module+0x54/0x200)
[  971.855968] (do_init_module) from [<803945b0>] (load_module+0x1e30/0x1ffc)
[  971.864126] (load_module) from [<803948b0>] (sys_init_module+0x134/0x17c)
[  971.871852] (sys_init_module) from [<80301000>] (ret_fast_syscall+0x0/0x50)

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Linux — Linux Kernel

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2022-49131",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2022-49131",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-10-01T19:48:17.096820Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 5.5,
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 1.8
      },
      {
        "type": "Secondary",
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 5.5,
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 1.8
      }
    ]
  },
  "affected": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "affectedData": [
        {
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "product": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "d5c65159f2895379e11ca13f62feabe93278985d",
              "lessThan": "c6a815f5abdf324108799829dd19ea62fef4bf95",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "d5c65159f2895379e11ca13f62feabe93278985d",
              "lessThan": "c4b7653af62a9a5efe2856183d1f987c5429758b",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "d5c65159f2895379e11ca13f62feabe93278985d",
              "lessThan": "699e8c87e5c406af0f0606f40eeebd248c51b702",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "d5c65159f2895379e11ca13f62feabe93278985d",
              "lessThan": "38e488db194dc16d2eb23c77c6a8c04ff583c40d",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "d5c65159f2895379e11ca13f62feabe93278985d",
              "lessThan": "22b59cb965f79ee1accf83172441c9ca0ecb632a",
              "versionType": "git"
            }
          ],
          "programFiles": [
            "drivers/net/wireless/ath/ath11k/ahb.c"
          ],
          "defaultStatus": "unaffected"
        },
        {
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "product": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.6"
            },
            {
              "status": "unaffected",
              "version": "0",
              "lessThan": "5.6",
              "versionType": "semver"
            },
            {
              "status": "unaffected",
              "version": "5.10.111",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "status": "unaffected",
              "version": "5.15.34",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "status": "unaffected",
              "version": "5.16.20",
              "versionType": "semver",
              "lessThanOrEqual": "5.16.*"
            },
            {
              "status": "unaffected",
              "version": "5.17.3",
              "versionType": "semver",
              "lessThanOrEqual": "5.17.*"
            },
            {
              "status": "unaffected",
              "version": "5.18",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ],
          "programFiles": [
            "drivers/net/wireless/ath/ath11k/ahb.c"
          ],
          "defaultStatus": "affected"
        }
      ]
    }
  ],
  "published": "2025-02-26T07:00:50.393",
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/22b59cb965f79ee1accf83172441c9ca0ecb632a",
      "tags": [
        "Patch"
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/38e488db194dc16d2eb23c77c6a8c04ff583c40d",
      "tags": [
        "Patch"
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/699e8c87e5c406af0f0606f40eeebd248c51b702",
      "tags": [
        "Patch"
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/c4b7653af62a9a5efe2856183d1f987c5429758b",
      "tags": [
        "Patch"
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/c6a815f5abdf324108799829dd19ea62fef4bf95",
      "tags": [
        "Patch"
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nath11k: fix kernel panic during unload/load ath11k modules\n\nCall netif_napi_del() from ath11k_ahb_free_ext_irq() to fix\nthe following kernel panic when unload/load ath11k modules\nfor few iterations.\n\n[  971.201365] Unable to handle kernel paging request at virtual address 6d97a208\n[  971.204227] pgd = 594c2919\n[  971.211478] [6d97a208] *pgd=00000000\n[  971.214120] Internal error: Oops: 5 [#1] PREEMPT SMP ARM\n[  971.412024] CPU: 2 PID: 4435 Comm: insmod Not tainted 5.4.89 #0\n[  971.434256] Hardware name: Generic DT based system\n[  971.440165] PC is at napi_by_id+0x10/0x40\n[  971.445019] LR is at netif_napi_add+0x160/0x1dc\n\n[  971.743127] (napi_by_id) from [<807d89a0>] (netif_napi_add+0x160/0x1dc)\n[  971.751295] (netif_napi_add) from [<7f1209ac>] (ath11k_ahb_config_irq+0xf8/0x414 [ath11k_ahb])\n[  971.759164] (ath11k_ahb_config_irq [ath11k_ahb]) from [<7f12135c>] (ath11k_ahb_probe+0x40c/0x51c [ath11k_ahb])\n[  971.768567] (ath11k_ahb_probe [ath11k_ahb]) from [<80666864>] (platform_drv_probe+0x48/0x94)\n[  971.779670] (platform_drv_probe) from [<80664718>] (really_probe+0x1c8/0x450)\n[  971.789389] (really_probe) from [<80664cc4>] (driver_probe_device+0x15c/0x1b8)\n[  971.797547] (driver_probe_device) from [<80664f60>] (device_driver_attach+0x44/0x60)\n[  971.805795] (device_driver_attach) from [<806650a0>] (__driver_attach+0x124/0x140)\n[  971.814822] (__driver_attach) from [<80662adc>] (bus_for_each_dev+0x58/0xa4)\n[  971.823328] (bus_for_each_dev) from [<80663a2c>] (bus_add_driver+0xf0/0x1e8)\n[  971.831662] (bus_add_driver) from [<806658a4>] (driver_register+0xa8/0xf0)\n[  971.839822] (driver_register) from [<8030269c>] (do_one_initcall+0x78/0x1ac)\n[  971.847638] (do_one_initcall) from [<80392524>] (do_init_module+0x54/0x200)\n[  971.855968] (do_init_module) from [<803945b0>] (load_module+0x1e30/0x1ffc)\n[  971.864126] (load_module) from [<803948b0>] (sys_init_module+0x134/0x17c)\n[  971.871852] (sys_init_module) from [<80301000>] (ret_fast_syscall+0x0/0x50)\n\nTested-on: IPQ8074 hw2.0 AHB WLAN.HK.2.6.0.1-00760-QCAHKSWPL_SILICONZ-1"
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ath11k: corrige el pánico del kernel durante la descarga/carga de módulos ath11k Llame a netif_napi_del() desde ath11k_ahb_free_ext_irq() para corregir el siguiente pánico del kernel al descargar/cargar módulos ath11k durante algunas iteraciones. [ 971.201365] No se puede manejar la solicitud de paginación del núcleo en la dirección virtual 6d97a208 [ 971.204227] pgd = 594c2919 [ 971.211478] [6d97a208] *pgd=00000000 [ 971.214120] Error interno: Oops: 5 [#1] PREEMPT SMP ARM [ 971.412024] CPU: 2 PID: 4435 Comm: insmod No contaminado 5.4.89 #0 [ 971.434256] Nombre del hardware: Sistema genérico basado en DT [ 971.440165] La PC está en napi_by_id+0x10/0x40 [ 971.445019] LR está en netif_napi_add+0x160/0x1dc [ 971.743127] (napi_by_id) desde [&lt;807d89a0&gt;] (netif_napi_add+0x160/0x1dc) [ 971.751295] (netif_napi_add) desde [&lt;7f1209ac&gt;] (ath11k_ahb_config_irq+0xf8/0x414 [ath11k_ahb]) [ 971.759164] (ath11k_ahb_config_irq [ath11k_ahb]) desde [&lt;7f12135c&gt;] (ath11k_ahb_probe+0x40c/0x51c [ath11k_ahb]) [ 971.768567] (ath11k_ahb_probe [ath11k_ahb]) desde [&lt;80666864&gt;] (platform_drv_probe+0x48/0x94) [ 971.779670] (platform_drv_probe) desde [&lt;80664718&gt;] (really_probe+0x1c8/0x450) [ 971.789389] (really_probe) desde [&lt;80664cc4&gt;] (driver_probe_device+0x15c/0x1b8) [ 971.797547] (driver_probe_device) desde [&lt;80664f60&gt;] (device_driver_attach+0x44/0x60) [ 971.805795] (device_driver_attach) desde [&lt;806650a0&gt;] (__driver_attach+0x124/0x140) [ 971.814822] (__driver_attach) desde [&lt;80662adc&gt;] (bus_for_each_dev+0x58/0xa4) [ 971.823328] (bus_for_each_dev) desde [&lt;80663a2c&gt;] (bus_add_driver+0xf0/0x1e8) [ 971.831662] (bus_add_driver) desde [&lt;806658a4&gt;] (driver_register+0xa8/0xf0) [ 971.839822] (driver_register) desde [&lt;8030269c&gt;] (do_one_initcall+0x78/0x1ac) [ 971.847638] (do_one_initcall) desde [&lt;80392524&gt;] (do_init_module+0x54/0x200) [ 971.855968] (do_init_module) desde [&lt;803945b0&gt;] (load_module+0x1e30/0x1ffc) [ 971.864126] (load_module) desde [&lt;803948b0&gt;] (sys_init_module+0x134/0x17c) [ 971.871852] (sys_init_module) desde  [&lt;80301000&gt;] (ret_fast_syscall+0x0/0x50) Probado en: IPQ8074 hw2.0 AHB WLAN.HK.2.6.0.1-00760-QCAHKSWPL_SILICONZ-1"
    }
  ],
  "lastModified": "2026-06-17T05:17:10.380",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "983DAD06-CBCB-46BF-A9E0-3D277B7474DB",
              "versionEndExcluding": "5.10.111"
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "D25878D3-7761-4E9F-8919-E92CD53896E0",
              "versionEndExcluding": "5.15.34",
              "versionStartIncluding": "5.11"
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "ABBBA66E-0244-4621-966B-9790AF1EEB00",
              "versionEndExcluding": "5.16.20",
              "versionStartIncluding": "5.16"
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "AE420AC7-1E59-4398-B84F-71F4B4337762",
              "versionEndExcluding": "5.17.3",
              "versionStartIncluding": "5.17"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}