accel/amdxdna: Prevent ubuf size overflow_CVE-2026-23280

{
    "lastseen": "",
    "description": "In the Linux kernel, the following vulnerability has been resolved:\n\naccel/amdxdna: Prevent ubuf size overflow\n\nThe ubuf size calculation may overflow, resulting in an undersized\nallocation and possible memory corruption.\n\nUse check_add_overflow() helpers to validate the size calculation before\nallocation.",
    "published": "2026-03-25T10:26:41.088Z",
    "modified": "2026-04-02T14:44:11.895Z",
    "type": "cve",
    "title": "accel/amdxdna: Prevent ubuf size overflow",
    "source": "Linux",
    "references": "https://git.kernel.org/stable/c/1500b31db94374a6669e73ce94d6f71cf8e85e06\nhttps://git.kernel.org/stable/c/972bf4a23478fcb247b4f507d47a584bc8aea5bd\nhttps://git.kernel.org/stable/c/03808abb1d868aed7478a11a82e5bb4b3f1ca6d6",
    "id": "CVE-2026-23280",
    "bulletinFamily": "",
    "cwe": null,
    "cvelist": null,
    "sourceData": "Linux Linux bd72d4acda1069579b35123e3cc0b21ec1193a21\nLinux Linux bd72d4acda1069579b35123e3cc0b21ec1193a21\nLinux Linux bd72d4acda1069579b35123e3cc0b21ec1193a21\nLinux Linux 6.18",
    "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": "",
        "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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            "availabilityImpact": ""
        }
    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "Linux",
    "version": "bd72d4acda1069579b35123e3cc0b21ec1193a21",
    "vendor": "Linux",
    "ai_description": "",
    "ai_severity": "",
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    "ai_score": 0
}