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CVE-2026-64567

🗓️ 05 Aug 2026 08:08:06Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 4 Views

Linux kernel btrfs free space cache load may read beyond allocated pages when header reports excessive entries.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-64567
5 Aug 202608:08
attackerkb
cvelist
Cvelist
CVE-2026-64567 btrfs: reject free space cache with more entries than pages
5 Aug 202608:08
cvelist
euvd
EUVD
EUVD-2026-53261
5 Aug 202609:31
euvd
nvd
NVD
CVE-2026-64567
5 Aug 202608:16
nvd
Vulners
CNA
Node
OR
linuxlinux_kernelRange3.26.6.148
linuxlinux_kernelRange6.7.06.12.101
linuxlinux_kernelRange6.13.06.18.42
linuxlinux_kernelRange6.19.07.1.6
linuxlinux_kernelRange7.2.07.2-rc4
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/btrfs/free-space-cache.c"
    ],
    "versions": [
      {
        "version": "5b0e95bf607ddd59b39f52d3d55e6581c817b530",
        "lessThan": "33878ba25e2638bc0c61623d7a05c9ca2b74c039",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5b0e95bf607ddd59b39f52d3d55e6581c817b530",
        "lessThan": "404a0b986e0b6e79738fdf1f0ebbbc43b9acd2a2",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5b0e95bf607ddd59b39f52d3d55e6581c817b530",
        "lessThan": "5e1b2ca6b34939e70fb0785e8222b53cf060016f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5b0e95bf607ddd59b39f52d3d55e6581c817b530",
        "lessThan": "f9fef131fa3f59b857217f522fa5ea430d1b707c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5b0e95bf607ddd59b39f52d3d55e6581c817b530",
        "lessThan": "a2d8d5647ed854e38f941741aea45b9eb15a6350",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/btrfs/free-space-cache.c"
    ],
    "versions": [
      {
        "version": "3.2",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "3.2",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.148",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.101",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.42",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.6",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2-rc4",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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