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CVE-2026-74600 mm/page_table_check: skip special zero mappings

🗓️ 22 Aug 2026 15:31:49Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 45 Views

Linux kernel page_table_check BUG_ON DoS via unprivileged zero mapping file_map_count overflow.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cnnvd
CNNVD
Linux Kernel Security Vulnerabilities
21 Aug 202616:00
–cnnvd
cve
CVE
CVE-2026-74600
22 Aug 202615:31
–cve
debiancve
Debian CVE
CVE-2026-74600
22 Aug 202615:31
–debiancve
euvd
EUVD
EUVD-2026-64537
22 Aug 202615:31
–euvd
nvd
NVD
CVE-2026-74600
22 Aug 202616:16
–nvd
osv_bell
osv_bell
BELL-CVE-2026-74600
27 Aug 202606:10
–osv_bell
osv_debian
osv_debian
DEBIAN-CVE-2026-74600
22 Aug 202616:16
–osv_debian
osv_opensuse
osv_opensuse
OPENSUSE-SU-2026:22091-1 Security update for the Linux Kernel
12 Oct 202615:44
–osv_opensuse
osv_suse
osv_suse
SUSE-SU-2026:24179-1 Security update for the Linux Kernel
12 Oct 202613:24
–osv_suse
osv_suse
osv_suse
SUSE-SU-2026:24181-1 Security update for the Linux Kernel
12 Oct 202615:51
–osv_suse
Rows per page
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "mm/page_table_check.c"
    ],
    "versions": [
      {
        "version": "df4e817b710809425d899340dbfa8504a3ca4ba5",
        "lessThan": "f6cf9832e677ec07b1675782bd2bad472cfd3cdc",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "df4e817b710809425d899340dbfa8504a3ca4ba5",
        "lessThan": "51e16e5adadaa78b56f31a1cb02eb7267787625e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "df4e817b710809425d899340dbfa8504a3ca4ba5",
        "lessThan": "7755be923e325dc300f4b0c3e1ad7e91b28b3cb9",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "df4e817b710809425d899340dbfa8504a3ca4ba5",
        "lessThan": "b726eb3c94d23e09da0e0f46b0fa09fb2b5d99cc",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "df4e817b710809425d899340dbfa8504a3ca4ba5",
        "lessThan": "8db4bab826ccc9ec10fa41736a48031cd338d392",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "mm/page_table_check.c"
    ],
    "versions": [
      {
        "version": "5.17",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.17",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.160",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.114",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.46",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.9",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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