{
  "cveId": "CVE-2024-26709",
  "url": "https://patchblox.com/security/cve/CVE-2024-26709",
  "summary": "CVE-2024-26709 is fixed in linux on 1 platform, first by DEBIAN-CVE-2024-26709, released April 3, 2024. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  powerpc/iommu: Fix the missing iommu_group_put()...",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  powerpc/iommu: Fix the missing iommu_group_put() during platform domain attach  The function spapr_tce_platform_iommu_attach_dev() is missing to call iommu_group_put() when the domain is already set. This refcount leak shows up with BUG_ON() during DLPAR remove operation as:    KernelBug: Kernel bug in state \u0027None\u0027: kernel BUG at arch/powerpc/platforms/pseries/iommu.c:100!   Oops: Exception in kernel mode, sig: 5 [#1]   LE PAGE_SIZE=64K MMU=Radix SMP NR_CPUS=8192 NUMA pSeries   \u003Csnip\u003E   Hardware name: IBM,9080-HEX POWER10 (raw) 0x800200 0xf000006 of:IBM,FW1060.00 (NH1060_016) hv:phyp pSeries   NIP:  c0000000000ff4d4 LR: c0000000000ff4cc CTR: 0000000000000000   REGS: c0000013aed5f840 TRAP: 0700   Tainted: G          I         (6.8.0-rc3-autotest-g99bd3cb0d12e)   MSR:  8000000000029033 \u003CSF,EE,ME,IR,DR,RI,LE\u003E  CR: 44002402  XER: 20040000   CFAR: c000000000a0d170 IRQMASK: 0   ...   NIP iommu_reconfig_notifier\u002B0x94/0x200   LR  iommu_reconfig_notifier\u002B0x8c/0x200   Call Trace:     iommu_reconfig_notifier\u002B0x8c/0x200 (unreliable)     notifier_call_chain\u002B0xb8/0x19c     blocking_notifier_call_chain\u002B0x64/0x98     of_reconfig_notify\u002B0x44/0xdc     of_detach_node\u002B0x78/0xb0     ofdt_write.part.0\u002B0x86c/0xbb8     proc_reg_write\u002B0xf4/0x150     vfs_write\u002B0xf8/0x488     ksys_write\u002B0x84/0x140     system_call_exception\u002B0x138/0x330     system_call_vectored_common\u002B0x15c/0x2ec  The patch adds the missing iommu_group_put() call.",
  "published": "2024-04-03T15:15:53Z",
  "severity": "medium",
  "cvss": 5.5,
  "cvssVector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
  "epss": 0.00195,
  "epssPercentile": 0.09243,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "6.7.7-1",
      "fix": "DEBIAN-CVE-2024-26709",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2024-26709",
      "released": "2024-04-03T15:15:53Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 14",
      "fixedVersion": "6.7.7-1",
      "fix": "DEBIAN-CVE-2024-26709",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2024-26709",
      "released": "2024-04-03T15:15:53Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T19:12:23Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}