{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "9ee11f0fff205b4b3df9750bff5e94f97c71b6a0"
            },
            {
              "fixed": "4198aab6f000b4febb18ea820fea20634dd789c7"
            },
            {
              "fixed": "3719c234fa94c37c955b1ecd3742ef280ec135e6"
            },
            {
              "fixed": "4e65a8b8daa18d63255ec58964dd192c7fdd9f8b"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "5.15.0"
            },
            {
              "fixed": "6.18.24"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "6.19.14"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43101.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nipv6: ioam: fix potential NULL dereferences in __ioam6_fill_trace_data()\n\nWe need to check __in6_dev_get() for possible NULL value, as\nsuggested by Yiming Qian.\n\nAlso add skb_dst_dev_rcu() instead of skb_dst_dev(),\nand two missing READ_ONCE().\n\nNote that @dev can't be NULL.",
  "id": "CVE-2026-43101",
  "modified": "2026-07-08T05:35:57.034964441Z",
  "published": "2026-05-06T07:40:30.969Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3719c234fa94c37c955b1ecd3742ef280ec135e6"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4198aab6f000b4febb18ea820fea20634dd789c7"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4e65a8b8daa18d63255ec58964dd192c7fdd9f8b"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43101.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-43101"
    },
    {
      "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:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "ipv6: ioam: fix potential NULL dereferences in __ioam6_fill_trace_data()"
}