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CVE-2026-43030 bpf: Fix regsafe() for pointers to packet

🗓️ 01 May 2026 14:15:30Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 25 Views

Linux kernel fixes regsafe for pointers to packets in Berkeley Packet Filter to ensure proper packet range exploration.

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": "95b6ec733752b31bfd166c4609d2c1b5cdde9b47",
        "lessThan": "b52f6d0ef7b308f9d05bbddb78749852f28e8e40",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6d94e741a8ff818e5518da8257f5ca0aaed1f269",
        "lessThan": "37db6b9726d0bcf91cbdf9d63b558c50da49f968",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6d94e741a8ff818e5518da8257f5ca0aaed1f269",
        "lessThan": "015a74476dc1ab6923d89f1ee009aaf43faa7185",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6d94e741a8ff818e5518da8257f5ca0aaed1f269",
        "lessThan": "b99d82706bd1511bb875e3de7154698fd9215c99",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6d94e741a8ff818e5518da8257f5ca0aaed1f269",
        "lessThan": "7241da033fdc507b920e092dab1f97b945cb0370",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6d94e741a8ff818e5518da8257f5ca0aaed1f269",
        "lessThan": "8aebe18069394f4a79d2d82080a0f806da449996",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6d94e741a8ff818e5518da8257f5ca0aaed1f269",
        "lessThan": "ca995b1462ec6db1e869100ba1fb7356bd3f22f0",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6d94e741a8ff818e5518da8257f5ca0aaed1f269",
        "lessThan": "a8502a79e832b861e99218cbd2d8f4312d62e225",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5.10.155",
        "lessThan": "5.10.253",
        "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": "5.11",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.11",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.253",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.203",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.168",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.134",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.81",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.22",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.19.12",
        "lessThanOrEqual": "6.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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23 May 2026 16:06Current
CVSS 3.17.8
EPSS0.00015
25