{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-53314",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-06-09T07:44:35.397Z",
        "datePublished": "2026-06-26T19:41:07.447Z",
        "dateUpdated": "2026-06-26T19:41:07.447Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-06-26T19:41:07.447Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\npadata: Put CPU offline callback in ONLINE section to allow failure\n\nsyzbot reported the following warning:\n\n    DEAD callback error for CPU1\n    WARNING: kernel/cpu.c:1463 at _cpu_down+0x759/0x1020 kernel/cpu.c:1463, CPU#0: syz.0.1960/14614\n\nat commit 4ae12d8bd9a8 (\"Merge tag 'kbuild-fixes-7.0-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kbuild/linux\")\nwhich tglx traced to padata_cpu_dead() given it's the only\nsub-CPUHP_TEARDOWN_CPU callback that returns an error.\n\nFailure isn't allowed in hotplug states before CPUHP_TEARDOWN_CPU\nso move the CPU offline callback to the ONLINE section where failure is\npossible."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "include/linux/cpuhotplug.h",
                        "include/linux/padata.h",
                        "kernel/padata.c"
                    ],
                    "versions": [
                        {
                            "version": "894c9ef9780c5cf2f143415e867ee39a33ecb75d",
                            "lessThan": "65dae8b34f0810f3fa9f77c4c63650cd20820693",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "894c9ef9780c5cf2f143415e867ee39a33ecb75d",
                            "lessThan": "a6d44f477000c6352de6b05e9e276e62083e5fbf",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "894c9ef9780c5cf2f143415e867ee39a33ecb75d",
                            "lessThan": "3e6c08dd97dcd22a00aee469e0adfa819071d80e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "894c9ef9780c5cf2f143415e867ee39a33ecb75d",
                            "lessThan": "5a9f29a3e076b637d2234093e57989cf755ded5b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "894c9ef9780c5cf2f143415e867ee39a33ecb75d",
                            "lessThan": "9afe53f14a2aae8c4beb30e5ea51641a34f1a3d3",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "894c9ef9780c5cf2f143415e867ee39a33ecb75d",
                            "lessThan": "c8c4a2972f83c8b68ff03b43cecdb898939ff851",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2b1207801c393a5e9af2fbac2dd8b0377d8ae63a",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "0685dfa0a2ff7635c0b64f7b7f0fafbf1c3e0c14",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "3f4d3d010477365ee1aefedc3ad52563740b777e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "4.19.202",
                            "lessThan": "4.20",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.4.22",
                            "lessThan": "5.5",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.5.6",
                            "lessThan": "5.6",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "include/linux/cpuhotplug.h",
                        "include/linux/padata.h",
                        "kernel/padata.c"
                    ],
                    "versions": [
                        {
                            "version": "5.6",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.6",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.175",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.141",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.91",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.33",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.0.10",
                            "lessThanOrEqual": "7.0.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "cpeApplicability": [
                {
                    "nodes": [
                        {
                            "operator": "OR",
                            "negate": false,
                            "cpeMatch": [
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.6",
                                    "versionEndExcluding": "6.1.175"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                                    "versionStartIncluding": "5.6",
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                                    "versionStartIncluding": "4.19.202"
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                                {
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                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.4.22"
                                },
                                {
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                                    "versionStartIncluding": "5.5.6"
                                }
                            ]
                        }
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                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/65dae8b34f0810f3fa9f77c4c63650cd20820693"
                },
                {
                    "url": "https://git.kernel.org/stable/c/a6d44f477000c6352de6b05e9e276e62083e5fbf"
                },
                {
                    "url": "https://git.kernel.org/stable/c/3e6c08dd97dcd22a00aee469e0adfa819071d80e"
                },
                {
                    "url": "https://git.kernel.org/stable/c/5a9f29a3e076b637d2234093e57989cf755ded5b"
                },
                {
                    "url": "https://git.kernel.org/stable/c/9afe53f14a2aae8c4beb30e5ea51641a34f1a3d3"
                },
                {
                    "url": "https://git.kernel.org/stable/c/c8c4a2972f83c8b68ff03b43cecdb898939ff851"
                }
            ],
            "title": "padata: Put CPU offline callback in ONLINE section to allow failure",
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}