nvd-json-data-feeds/CVE-2024/CVE-2024-267xx/CVE-2024-26709.json

{
  "id": "CVE-2024-26709",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "published": "2024-04-03T15:15:53.440",
  "lastModified": "2025-01-13T20:03:28.797",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\npowerpc/iommu: Fix the missing iommu_group_put() during platform domain attach\n\nThe function spapr_tce_platform_iommu_attach_dev() is missing to call\niommu_group_put() when the domain is already set. This refcount leak\nshows up with BUG_ON() during DLPAR remove operation as:\n\n  KernelBug: Kernel bug in state 'None': kernel BUG at arch/powerpc/platforms/pseries/iommu.c:100!\n  Oops: Exception in kernel mode, sig: 5 [#1]\n  LE PAGE_SIZE=64K MMU=Radix SMP NR_CPUS=8192 NUMA pSeries\n  <snip>\n  Hardware name: IBM,9080-HEX POWER10 (raw) 0x800200 0xf000006 of:IBM,FW1060.00 (NH1060_016) hv:phyp pSeries\n  NIP:  c0000000000ff4d4 LR: c0000000000ff4cc CTR: 0000000000000000\n  REGS: c0000013aed5f840 TRAP: 0700   Tainted: G          I         (6.8.0-rc3-autotest-g99bd3cb0d12e)\n  MSR:  8000000000029033 <SF,EE,ME,IR,DR,RI,LE>  CR: 44002402  XER: 20040000\n  CFAR: c000000000a0d170 IRQMASK: 0\n  ...\n  NIP iommu_reconfig_notifier+0x94/0x200\n  LR  iommu_reconfig_notifier+0x8c/0x200\n  Call Trace:\n    iommu_reconfig_notifier+0x8c/0x200 (unreliable)\n    notifier_call_chain+0xb8/0x19c\n    blocking_notifier_call_chain+0x64/0x98\n    of_reconfig_notify+0x44/0xdc\n    of_detach_node+0x78/0xb0\n    ofdt_write.part.0+0x86c/0xbb8\n    proc_reg_write+0xf4/0x150\n    vfs_write+0xf8/0x488\n    ksys_write+0x84/0x140\n    system_call_exception+0x138/0x330\n    system_call_vectored_common+0x15c/0x2ec\n\nThe patch adds the missing iommu_group_put() call."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: powerpc/iommu: corrige el iommu_group_put() que falta durante la conexi\u00f3n del dominio de la plataforma. Falta la funci\u00f3n spapr_tce_platform_iommu_attach_dev() para llamar a iommu_group_put() cuando el dominio ya est\u00e1 configurado. Esta fuga de recuento aparece con BUG_ON() durante la operaci\u00f3n de eliminaci\u00f3n de DLPAR como: KernelBug: Error del kernel en estado 'Ninguno': ERROR del kernel en arch/powerpc/platforms/pseries/iommu.c:100. Vaya: Excepci\u00f3n en modo kernel, sign: 5 [#1] LE PAGE_SIZE=64K MMU=Radix SMP NR_CPUS=8192 NUMA pSeries  Nombre de hardware: IBM,9080-HEX POWER10 (sin formato) 0x800200 0xf000006 of:IBM,FW1060. 00 (NH1060_016) hv:phyp pSeries NIP: c0000000000ff4d4 LR: c0000000000ff4cc CTR: 0000000000000000 REGS: c0000013aed5f840 TRAP: 0700 Contaminado: GI (6.8.0-rc3-autotest-g9 9bd3cb0d12e) MSR: 8000000000029033  CR: 44002402 XER: 20040000 CFAR: c000000000a0d170 IRQMASK: 0 ... NIP iommu_reconfig_notifier+0x94/0x200 LR iommu_reconfig_notifier+0x8c/0x200 Seguimiento de llamadas: iommu_reconfig_notifier+0x8c/0x2 00 (no confiable) notifier_call_chain+0xb8/0x19c blocking_notifier_call_chain+ 0x64/0x98 of_reconfig_notify+0x44/0xdc of_detach_node+0x78/0xb0 ofdt_write.part.0+0x86c/0xbb8 proc_reg_write+0xf4/0x150 vfs_write+0xf8/0x488 ksys_write+0x84/0x140 system_call_exception+0x1 38/0x330 system_call_vectored_common+0x15c/0x2ec El parche agrega la llamada faltante a iommu_group_put()."
    }
  ],
  "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
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ]
    }
  ],
  "configurations": [
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          "negate": false,
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  "references": [
    {
      "url": "https://git.kernel.org/stable/c/0846dd77c8349ec92ca0079c9c71d130f34cb192",
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