ipv6: ioam: fix potential NULL dereferences in __ioam6_fill_trace_data()_CVE-2026-43101

{
    "lastseen": "",
    "description": "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.",
    "published": "2026-05-06T07:40:30.969Z",
    "modified": "2026-05-08T12:40:32.536Z",
    "type": "cve",
    "title": "ipv6: ioam: fix potential NULL dereferences in __ioam6_fill_trace_data()",
    "source": "Linux",
    "references": "https://git.kernel.org/stable/c/4198aab6f000b4febb18ea820fea20634dd789c7\nhttps://git.kernel.org/stable/c/3719c234fa94c37c955b1ecd3742ef280ec135e6\nhttps://git.kernel.org/stable/c/4e65a8b8daa18d63255ec58964dd192c7fdd9f8b",
    "id": "CVE-2026-43101",
    "bulletinFamily": "",
    "cwe": null,
    "cvelist": null,
    "sourceData": "Linux Linux 9ee11f0fff205b4b3df9750bff5e94f97c71b6a0\nLinux Linux 9ee11f0fff205b4b3df9750bff5e94f97c71b6a0\nLinux Linux 9ee11f0fff205b4b3df9750bff5e94f97c71b6a0\nLinux Linux 5.15",
    "sourceHref": "",
    "cvss": {
        "score": 7.5,
        "severity": "HIGH",
        "vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
        "version": "3.1"
    },
    "cvss2": [],
    "cvss3": {
        "version": "",
        "vectorString": "",
        "baseScore": 0,
        "baseSeverity": "",
        "attackVector": "",
        "attackComplexity": "",
        "privilegesRequired": "",
        "userInteraction": "",
        "scope": "",
        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
            "version": "",
            "vectorString": "",
            "baseScore": 0,
            "baseSeverity": "",
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            "privilegesRequired": "",
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            "confidentialityImpact": "",
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    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "Linux",
    "version": "9ee11f0fff205b4b3df9750bff5e94f97c71b6a0",
    "vendor": "Linux",
    "ai_description": "",
    "ai_severity": "",
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    "ai_score": 0
}