ipv6: fix possible UAF in icmpv6_rcv()_CVE-2026-53006

{
    "lastseen": "",
    "description": "In the Linux kernel, the following vulnerability has been resolved:\n\nipv6: fix possible UAF in icmpv6_rcv()\n\nCaching saddr and daddr before pskb_pull() is problematic\nsince skb->head can change.\n\nRemove these temporary variables:\n\n- We only access &ipv6_hdr(skb)->saddr and &ipv6_hdr(skb)->daddr\n  when net_dbg_ratelimited() is called in the slow path.\n\n- Avoid potential future misuse after pskb_pull() call.",
    "published": "2026-06-24T16:29:17.691Z",
    "modified": "2026-06-28T06:37:57.367Z",
    "type": "cve",
    "title": "ipv6: fix possible UAF in icmpv6_rcv()",
    "source": "Linux",
    "references": "https://git.kernel.org/stable/c/7bff2c8fe5c35ae58bf73104f53db3676e6e5d94\nhttps://git.kernel.org/stable/c/aff0f28f5be803de2452ce702631c021fcd9ce8a\nhttps://git.kernel.org/stable/c/38bdbc897c0d83a3e2b925a51b69420f1feba29a\nhttps://git.kernel.org/stable/c/0069813e6ca9309eca78022bcb3aeb1e9ef90a12\nhttps://git.kernel.org/stable/c/1e1f0f89ee4692a64be3f3707ff8ac1ae57b03e7\nhttps://git.kernel.org/stable/c/7c66b368c6ff453f99cb39d84af93e908e51eef2\nhttps://git.kernel.org/stable/c/085e31a811ef234ef8c3e219c4636dfebfe7e10f\nhttps://git.kernel.org/stable/c/f996edd7615e686ada141b7f3395025729ff8ccb",
    "id": "CVE-2026-53006",
    "bulletinFamily": "",
    "cwe": null,
    "cvelist": null,
    "sourceData": "Linux Linux 4b3418fba0fe819197e3359d5ddbef84ba2c59de\nLinux Linux 4b3418fba0fe819197e3359d5ddbef84ba2c59de\nLinux Linux 4b3418fba0fe819197e3359d5ddbef84ba2c59de\nLinux Linux 4b3418fba0fe819197e3359d5ddbef84ba2c59de\nLinux Linux 4b3418fba0fe819197e3359d5ddbef84ba2c59de\nLinux Linux 4b3418fba0fe819197e3359d5ddbef84ba2c59de\nLinux Linux 4b3418fba0fe819197e3359d5ddbef84ba2c59de\nLinux Linux 4b3418fba0fe819197e3359d5ddbef84ba2c59de\nLinux Linux 4.4",
    "sourceHref": "",
    "cvss": {
        "score": 9.8,
        "severity": "CRITICAL",
        "vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/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,
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    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "Linux",
    "version": "4b3418fba0fe819197e3359d5ddbef84ba2c59de",
    "vendor": "Linux",
    "ai_description": "Use-after-free vulnerability in the Linux kernel's ipv6_rcv function, allowing remote attackers to potentially execute arbitrary code or cause a denial of service.",
    "ai_severity": "Critical",
    "ai_vendor": "Linux",
    "ai_product": "Linux Kernel",
    "ai_version": "4.4, 4b3418fba0fe819197e3359d5ddbef84ba2c59de",
    "ai_score": 9.8
}