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CVE-2026-98634 scsi: sd_zbc: Reject disks with too many zones

🗓️ 18 Oct 2026 15:20:03Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 16 Views

Integer overflow in Linux kernel sd_zbc_report_zones() leads to inconsistent bookkeeping.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-98634
18 Oct 202615:20
–cve
debiancve
Debian CVE
CVE-2026-98634
18 Oct 202615:20
–debiancve
euvd
EUVD
EUVD-2026-103548
18 Oct 202615:20
–euvd
nvd
NVD
CVE-2026-98634
18 Oct 202616:17
–nvd
osv_debian
osv_debian
DEBIAN-CVE-2026-98634
18 Oct 202617:47
–osv_debian
ptsecurity
Positive Technologies
PT-2026-116853
18 Oct 202600:00
–ptsecurity
nessus
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-98634
18 Oct 202600:00
–nessus
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/scsi/sd_zbc.c"
    ],
    "versions": [
      {
        "version": "89d9475610771b5e5fe1879075f0fc9ba6e3755f",
        "lessThan": "d8791ae55d85dfaeafa20ea48365482a0cc5a107",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "89d9475610771b5e5fe1879075f0fc9ba6e3755f",
        "lessThan": "0af16d8be3ec7ff28bb56a0da79c9aed66ac2c3b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "89d9475610771b5e5fe1879075f0fc9ba6e3755f",
        "lessThan": "3ddf8383b54456f19fd73d3cebed81bd250c7388",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "89d9475610771b5e5fe1879075f0fc9ba6e3755f",
        "lessThan": "b6ec0f79745967c751c85df373062c8d15e45fc4",
        "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/sd_zbc.c"
    ],
    "versions": [
      {
        "version": "4.10",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "4.10",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.112",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.55",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2.9",
        "lessThanOrEqual": "7.2.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.3",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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