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

{
    "lastseen": "",
    "description": "In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Fix regsafe() for pointers to packet\n\nIn case rold->reg->range == BEYOND_PKT_END && rcur->reg->range == N\nregsafe() may return true which may lead to current state with\nvalid packet range not being explored. Fix the bug.",
    "published": "2026-05-01T14:15:30.564Z",
    "modified": "2026-05-03T05:46:12.745Z",
    "type": "cve",
    "title": "bpf: Fix regsafe() for pointers to packet",
    "source": "Linux",
    "references": "https://git.kernel.org/stable/c/b52f6d0ef7b308f9d05bbddb78749852f28e8e40\nhttps://git.kernel.org/stable/c/37db6b9726d0bcf91cbdf9d63b558c50da49f968\nhttps://git.kernel.org/stable/c/015a74476dc1ab6923d89f1ee009aaf43faa7185\nhttps://git.kernel.org/stable/c/b99d82706bd1511bb875e3de7154698fd9215c99\nhttps://git.kernel.org/stable/c/7241da033fdc507b920e092dab1f97b945cb0370\nhttps://git.kernel.org/stable/c/8aebe18069394f4a79d2d82080a0f806da449996\nhttps://git.kernel.org/stable/c/ca995b1462ec6db1e869100ba1fb7356bd3f22f0\nhttps://git.kernel.org/stable/c/a8502a79e832b861e99218cbd2d8f4312d62e225",
    "id": "CVE-2026-43030",
    "bulletinFamily": "",
    "cwe": null,
    "cvelist": null,
    "sourceData": "Linux Linux 95b6ec733752b31bfd166c4609d2c1b5cdde9b47\nLinux Linux 6d94e741a8ff818e5518da8257f5ca0aaed1f269\nLinux Linux 6d94e741a8ff818e5518da8257f5ca0aaed1f269\nLinux Linux 6d94e741a8ff818e5518da8257f5ca0aaed1f269\nLinux Linux 6d94e741a8ff818e5518da8257f5ca0aaed1f269\nLinux Linux 6d94e741a8ff818e5518da8257f5ca0aaed1f269\nLinux Linux 6d94e741a8ff818e5518da8257f5ca0aaed1f269\nLinux Linux 6d94e741a8ff818e5518da8257f5ca0aaed1f269\nLinux Linux 5.11",
    "sourceHref": "",
    "cvss": {
        "score": 7.8,
        "severity": "HIGH",
        "vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
        "version": "3.1"
    },
    "cvss2": [],
    "cvss3": {
        "version": "",
        "vectorString": "",
        "baseScore": 0,
        "baseSeverity": "",
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        "attackComplexity": "",
        "privilegesRequired": "",
        "userInteraction": "",
        "scope": "",
        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
            "version": "",
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            "privilegesRequired": "",
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            "confidentialityImpact": "",
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        }
    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "Linux",
    "version": "95b6ec733752b31bfd166c4609d2c1b5cdde9b47",
    "vendor": "Linux",
    "ai_description": "",
    "ai_severity": "",
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    "ai_score": 0
}