ksmbd: Compare MACs in constant time_CVE-2026-23364

{
    "lastseen": "",
    "description": "In the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: Compare MACs in constant time\n\nTo prevent timing attacks, MAC comparisons need to be constant-time.\nReplace the memcmp() with the correct function, crypto_memneq().",
    "published": "2026-03-25T10:27:46.960Z",
    "modified": "2026-04-02T14:44:22.853Z",
    "type": "cve",
    "title": "ksmbd: Compare MACs in constant time",
    "source": "Linux",
    "references": "https://git.kernel.org/stable/c/cd52a0e309659537048a864211abc3ea4c5caa63\nhttps://git.kernel.org/stable/c/307afccb751f542246bd5dc68a2c1ffe1a78418c\nhttps://git.kernel.org/stable/c/2cdc56ed67615ba0921383a688f24415ebe065f3\nhttps://git.kernel.org/stable/c/93c0a22fec914ec4b697e464895a0f594e29fb28\nhttps://git.kernel.org/stable/c/f4588b85efd6007d46b80aa1b9fb746628ffb3dc\nhttps://git.kernel.org/stable/c/c5794709bc9105935dbedef8b9cf9c06f2b559fa",
    "id": "CVE-2026-23364",
    "bulletinFamily": "",
    "cwe": null,
    "cvelist": null,
    "sourceData": "Linux Linux e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9\nLinux Linux e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9\nLinux Linux e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9\nLinux Linux e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9\nLinux Linux e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9\nLinux Linux e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9\nLinux Linux 5.15",
    "sourceHref": "",
    "cvss": {
        "score": 7.4,
        "severity": "HIGH",
        "vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
        "version": "3.1"
    },
    "cvss2": [],
    "cvss3": {
        "version": "",
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        "baseScore": 0,
        "baseSeverity": "",
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        "attackComplexity": "",
        "privilegesRequired": "",
        "userInteraction": "",
        "scope": "",
        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
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        }
    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "Linux",
    "version": "e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9",
    "vendor": "Linux",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
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    "ai_score": 0
}