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CVE-2026-31464 scsi: ibmvfc: Fix OOB access in ibmvfc_discover_targets_done()

🗓️ 22 Apr 2026 13:53:54Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 25 Views

Fixed OOB access in ibmvfc_discover_targets_done by clamping num_written to max_targets to prevent kernel memory leakage.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/scsi/ibmvscsi/ibmvfc.c"
    ],
    "versions": [
      {
        "version": "072b91f9c6510d0ec4a49d07dbc318760c7da7b3",
        "lessThan": "d842348f8a00d5b1d7358f207eb34ffcf5b16df3",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "072b91f9c6510d0ec4a49d07dbc318760c7da7b3",
        "lessThan": "a007246cb6c9ebdc93dafbf63cc2d43d98f402cc",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "072b91f9c6510d0ec4a49d07dbc318760c7da7b3",
        "lessThan": "394a1cac3c12fdd7d77f19ccfd222ab5ff87ef89",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "072b91f9c6510d0ec4a49d07dbc318760c7da7b3",
        "lessThan": "4ed727e35b0ab17d3eeeb1e8023768396e2be161",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "072b91f9c6510d0ec4a49d07dbc318760c7da7b3",
        "lessThan": "d1466bf991b2343cf2ba8336e440c8faf3cbb780",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "072b91f9c6510d0ec4a49d07dbc318760c7da7b3",
        "lessThan": "786f10b1966e485046839f992e89f2c18cbd1983",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "072b91f9c6510d0ec4a49d07dbc318760c7da7b3",
        "lessThan": "bae4df0a643fa7f84663473aa3082a9c2ed139db",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "072b91f9c6510d0ec4a49d07dbc318760c7da7b3",
        "lessThan": "61d099ac4a7a8fb11ebdb6e2ec8d77f38e77362f",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/scsi/ibmvscsi/ibmvfc.c"
    ],
    "versions": [
      {
        "version": "2.6.27",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "2.6.27",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.253",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.203",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.168",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.131",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.80",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.21",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.19.11",
        "lessThanOrEqual": "6.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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