{
  "schemaVersion": 1,
  "attribution": [
    {
      "source": "CISA Known Exploited Vulnerabilities",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "licence": "US government work"
    },
    {
      "source": "GitHub Advisory Database",
      "url": "https://github.com/advisories",
      "licence": "CC BY 4.0"
    },
    {
      "source": "Have I Been Pwned",
      "url": "https://haveibeenpwned.com/",
      "licence": "CC BY 4.0"
    },
    {
      "source": "CVE Program (CVE records)",
      "url": "https://www.cve.org/Legal/TermsOfUse",
      "licence": "CVE Terms of Use",
      "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.",
      "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss/",
      "licence": "free to use; FIRST requests attribution"
    }
  ],
  "record": {
    "id": "CVE-2024-26709",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2024-26709",
    "idYear": 2024,
    "status": "PUBLISHED",
    "publishedAt": "2024-04-03T14:55:11.868Z",
    "updatedAt": "2026-05-11T20:02:39.867Z",
    "importedAt": "2026-10-24T01:57:07.518Z",
    "snapshot": {
      "id": "cve_2026-10-24_midnight_baseline",
      "at": "2026-10-24T00:00:00.000Z",
      "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z"
    },
    "facts": {
      "title": "powerpc/iommu: Fix the missing iommu_group_put() during platform domain attach",
      "summary": "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.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "a8ca9fc9134c1a43e6d4db7ff59496bbd7075def",
              "status": "affected",
              "versionType": "git",
              "lessThan": "c90fdea9cac9eb419fc266e75d625cb60c8f7f6c"
            },
            {
              "version": "a8ca9fc9134c1a43e6d4db7ff59496bbd7075def",
              "status": "affected",
              "versionType": "git",
              "lessThan": "0846dd77c8349ec92ca0079c9c71d130f34cb192"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "6.7",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "6.7"
            },
            {
              "version": "6.7.6",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.7.*"
            },
            {
              "version": "6.8",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}