{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "95b6ec733752b31bfd166c4609d2c1b5cdde9b47"
            },
            {
              "fixed": "b52f6d0ef7b308f9d05bbddb78749852f28e8e40"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "6d94e741a8ff818e5518da8257f5ca0aaed1f269"
            },
            {
              "fixed": "37db6b9726d0bcf91cbdf9d63b558c50da49f968"
            },
            {
              "fixed": "015a74476dc1ab6923d89f1ee009aaf43faa7185"
            },
            {
              "fixed": "b99d82706bd1511bb875e3de7154698fd9215c99"
            },
            {
              "fixed": "7241da033fdc507b920e092dab1f97b945cb0370"
            },
            {
              "fixed": "8aebe18069394f4a79d2d82080a0f806da449996"
            },
            {
              "fixed": "ca995b1462ec6db1e869100ba1fb7356bd3f22f0"
            },
            {
              "fixed": "a8502a79e832b861e99218cbd2d8f4312d62e225"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "5.10.155"
            },
            {
              "fixed": "5.10.253"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "5.10.253"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.11.0"
            },
            {
              "fixed": "5.15.203"
            },
            {
              "fixed": "6.1.168"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.6.134"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.12.81"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.18.22"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.19.12"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43030.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Fix regsafe() for pointers to packet\n\nIn case rold-\u003ereg-\u003erange == BEYOND_PKT_END \u0026\u0026 rcur-\u003ereg-\u003erange == N\nregsafe() may return true which may lead to current state with\nvalid packet range not being explored. Fix the bug.",
  "id": "CVE-2026-43030",
  "modified": "2026-07-08T05:38:29.262002116Z",
  "published": "2026-05-01T14:15:30.564Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/015a74476dc1ab6923d89f1ee009aaf43faa7185"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/37db6b9726d0bcf91cbdf9d63b558c50da49f968"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7241da033fdc507b920e092dab1f97b945cb0370"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8aebe18069394f4a79d2d82080a0f806da449996"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a8502a79e832b861e99218cbd2d8f4312d62e225"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b52f6d0ef7b308f9d05bbddb78749852f28e8e40"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b99d82706bd1511bb875e3de7154698fd9215c99"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ca995b1462ec6db1e869100ba1fb7356bd3f22f0"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43030.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-43030"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.7.5",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "bpf: Fix regsafe() for pointers to packet"
}