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CVE-2026-72111 bpf: Reset register bounds before narrowing retval range in check_mem_access()

🗓️ 15 Aug 2026 05:52:52Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 27 Views

BPF verifier stale register bounds bypass memory safety checks in check_mem_access().

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "kernel/bpf/verifier.c"
    ],
    "versions": [
      {
        "version": "5d99e198be279045e6ecefe220f5c52f8ce9bfd5",
        "lessThan": "bde92f65042ec14389782dd223f706bf6b59ce5d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5d99e198be279045e6ecefe220f5c52f8ce9bfd5",
        "lessThan": "0993dc5fc619c0b25ab1310cb11d65e78351c0fe",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5d99e198be279045e6ecefe220f5c52f8ce9bfd5",
        "lessThan": "5a55f9aecc08990940e70f0c7048a80850c5a16a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5d99e198be279045e6ecefe220f5c52f8ce9bfd5",
        "lessThan": "5e0b273e0a62cc04ec338c7b502797c66c2ed42a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1050727d83e70449991c29dd1cf29fe936a63da3",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "27ca3e20fe80be85a92b10064dfeb56cb2564b1c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6.10.13",
        "lessThan": "6.11",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.11.2",
        "lessThan": "6.12",
        "status": "affected",
        "versionType": "semver"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "kernel/bpf/verifier.c"
    ],
    "versions": [
      {
        "version": "6.12",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.12",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.103",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.40",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.5",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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17 Aug 2026 05:40Current
CVSS 3.18.8
EPSS0.00176
27