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CVE-2026-80552 s390/vfio_ccw: Ensure index for read/write regions are within range

🗓️ 26 Aug 2026 14:37:21Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 11 Views

s390 vfio_ccw out-of-bounds region index for read/write not clamped to capability range.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-80552
26 Aug 202614:37
cve
debiancve
Debian CVE
CVE-2026-80552
26 Aug 202614:37
debiancve
euvd
EUVD
EUVD-2026-66467
26 Aug 202614:37
euvd
nvd
NVD
CVE-2026-80552
26 Aug 202615:17
nvd
osv
OSV
DEBIAN-CVE-2026-80552
26 Aug 202615:17
osv
ptsecurity
Positive Technologies
PT-2026-82168
26 Aug 202600:00
ptsecurity
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/s390/cio/vfio_ccw_async.c",
      "drivers/s390/cio/vfio_ccw_chp.c",
      "drivers/s390/cio/vfio_ccw_ops.c"
    ],
    "versions": [
      {
        "version": "db8e5d17ac03a65e2e0ee0ba50bf61a99741d871",
        "lessThan": "d3b1e38404b22df5a1f93019f2bb656feaad5ae3",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "db8e5d17ac03a65e2e0ee0ba50bf61a99741d871",
        "lessThan": "79ea5e0c4c8a9842ae85f45062d947b3297dfc07",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "db8e5d17ac03a65e2e0ee0ba50bf61a99741d871",
        "lessThan": "d597fa1273802941c7801202135976fecc29672b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "db8e5d17ac03a65e2e0ee0ba50bf61a99741d871",
        "lessThan": "649badf3a2fd8929e40198603a2cb21b74c21700",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "db8e5d17ac03a65e2e0ee0ba50bf61a99741d871",
        "lessThan": "988d9b5be3c2c4baf9457ce8e11b477e13eb9fcf",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "db8e5d17ac03a65e2e0ee0ba50bf61a99741d871",
        "lessThan": "9f5f9a78fedc45bc29d6a0a64e3a3472361afae5",
        "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/s390/cio/vfio_ccw_async.c",
      "drivers/s390/cio/vfio_ccw_chp.c",
      "drivers/s390/cio/vfio_ccw_ops.c"
    ],
    "versions": [
      {
        "version": "5.2",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.2",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.184",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.153",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.105",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.46",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.10",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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27 Aug 2026 05:01Current
CVSS 3.18.8
11