spi: fix use-after-free on controller registration failure_CVE-2026-31389

{
    "lastseen": "",
    "description": "In the Linux kernel, the following vulnerability has been resolved:\n\nspi: fix use-after-free on controller registration failure\n\nMake sure to deregister from driver core also in the unlikely event that\nper-cpu statistics allocation fails during controller registration to\navoid use-after-free (of driver resources) and unclocked register\naccesses.",
    "published": "2026-04-03T15:15:55.068Z",
    "modified": "2026-04-27T14:02:41.755Z",
    "type": "cve",
    "title": "spi: fix use-after-free on controller registration failure",
    "source": "Linux",
    "references": "https://git.kernel.org/stable/c/0e23f50086da7d0b183dfeac26021acfcdee086b\nhttps://git.kernel.org/stable/c/6bbd385b30c7fb6c7ee0669e9ada91490938c051\nhttps://git.kernel.org/stable/c/afe27c1f43aa57530011f419be6ddf71306565d2\nhttps://git.kernel.org/stable/c/80f3e8cd2b4ad355b2ad2024cf423f6d183404f7\nhttps://git.kernel.org/stable/c/23b51bad2eb8787aa74324cfccefb258515ae5ba\nhttps://git.kernel.org/stable/c/8634e05b08ead636e926022f4a98416e13440df9",
    "id": "CVE-2026-31389",
    "bulletinFamily": "",
    "cwe": null,
    "cvelist": null,
    "sourceData": "Linux Linux 6598b91b5ac32bc756d7c3000a31f775d4ead1c4\nLinux Linux 6598b91b5ac32bc756d7c3000a31f775d4ead1c4\nLinux Linux 6598b91b5ac32bc756d7c3000a31f775d4ead1c4\nLinux Linux 6598b91b5ac32bc756d7c3000a31f775d4ead1c4\nLinux Linux 6598b91b5ac32bc756d7c3000a31f775d4ead1c4\nLinux Linux 6598b91b5ac32bc756d7c3000a31f775d4ead1c4\nLinux Linux 6.0",
    "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": {
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        "baseScore": 0,
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        "privilegesRequired": "",
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        "scope": "",
        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
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        }
    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "Linux",
    "version": "6598b91b5ac32bc756d7c3000a31f775d4ead1c4",
    "vendor": "Linux",
    "ai_description": "",
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    "ai_score": 0
}