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CVE-2026-98884 mmc: core: Add validation for host-provided max_segs

🗓️ 23 Oct 2026 11:37:39Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 5 Views

Truncated max_segs in Linux kernel mmc: core leads to undefined behavior and a crash.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-98884
23 Oct 202612:06
–circl
cve
CVE
CVE-2026-98884
23 Oct 202611:37
–cve
debiancve
Debian CVE
CVE-2026-98884
23 Oct 202611:37
–debiancve
euvd
EUVD
EUVD-2026-108678
23 Oct 202611:37
–euvd
nvd
NVD
CVE-2026-98884
23 Oct 202612:18
–nvd
osv_debian
osv_debian
DEBIAN-CVE-2026-98884
23 Oct 202616:47
–osv_debian
ptsecurity
Positive Technologies
PT-2026-121854
23 Oct 202600:00
–ptsecurity
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/mmc/core/queue.c"
    ],
    "versions": [
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "03f5a16ec85beebabd5ab5e67ac1527f87908ded",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "c465608bd25d7f8565be7817a6a36a5d69f8aa14",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "a8283f7d93f0d9336b15618b9665279ff6944319",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "9cca3c0c1472d6204ef8a78a6e7b3afe9610b22e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "b037c2f7794aa01ee2a00e43c29645fd2dd2dfb9",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "3e0483e93a8be320f70a1ff68d835f7f015af311",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "0",
        "lessThan": "5.15.222",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "0",
        "lessThan": "6.1.189",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "0",
        "lessThan": "6.6.158",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "0",
        "lessThan": "6.12.111",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "0",
        "lessThan": "6.18.53",
        "status": "affected",
        "versionType": "semver"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/mmc/core/queue.c"
    ],
    "versions": [
      {
        "version": "5.15.222",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.189",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.158",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.111",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.53",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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