CVE-2026-53314

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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."}], "id": "CVE-2026-53314", "lastModified": "2026-11-06T17:18:24.033", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-53314", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-11-06T16:26:23.084506Z", "version": "2.0.3"}}]}, "published": "2026-06-26T20:17:24.717", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/3e6c08dd97dcd22a00aee469e0adfa819071d80e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/5a9f29a3e076b637d2234093e57989cf755ded5b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/65dae8b34f0810f3fa9f77c4c63650cd20820693"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/9afe53f14a2aae8c4beb30e5ea51641a34f1a3d3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/a6d44f477000c6352de6b05e9e276e62083e5fbf"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/c8c4a2972f83c8b68ff03b43cecdb898939ff851"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: padata: Put CPU offline callback in ONLINE section to allow failure", "id": "2493711", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2493711"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "details": ["No description is available for this CVE."], "name": "CVE-2026-53314", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-06-26T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-53314\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-53314\nhttps://lore.kernel.org/linux-cve-announce/2026062621-CVE-2026-53314-d913@gregkh/T"], "threat_severity": "Low"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[894c9ef9780c5cf2f143415e867ee39a33ecb75d,65dae8b34f0810f3fa9f77c4c63650cd20820693)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[894c9ef9780c5cf2f143415e867ee39a33ecb75d,a6d44f477000c6352de6b05e9e276e62083e5fbf)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[894c9ef9780c5cf2f143415e867ee39a33ecb75d,3e6c08dd97dcd22a00aee469e0adfa819071d80e)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[894c9ef9780c5cf2f143415e867ee39a33ecb75d,5a9f29a3e076b637d2234093e57989cf755ded5b)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[894c9ef9780c5cf2f143415e867ee39a33ecb75d,9afe53f14a2aae8c4beb30e5ea51641a34f1a3d3)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[894c9ef9780c5cf2f143415e867ee39a33ecb75d,c8c4a2972f83c8b68ff03b43cecdb898939ff851)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "2b1207801c393a5eaf2fbac2dd8b0377d8ae63a"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "0685dfa0a2ff7635c0b64f7b7f0fafbf1c3e0c14"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "3f4d3d010477365ee1aefedc3ad52563740b777e"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[4.19.202,4.20)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[5.4.22,5.5)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[5.5.6,5.6)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "5.6"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,5.6)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.1.175,6.1.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.6.141,6.6.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.12.91,6.12.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.18.33,6.18.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.0.10,7.0.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.1,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-06-26T22:15:06.966756+00:00", "updated": "2026-08-13T18:30:16.259386+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}