{"api_version":"1","generated_at":"2026-06-28T04:41:33+00:00","cve":"CVE-2026-53314","urls":{"html":"https://cve.report/CVE-2026-53314","api":"https://cve.report/api/cve/CVE-2026-53314.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-53314","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-53314"},"summary":{"title":"padata: Put CPU offline callback in ONLINE section to allow failure","description":"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.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-06-26 20:17:24","updated_at":"2026-06-26 20:17:24"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/c8c4a2972f83c8b68ff03b43cecdb898939ff851","name":"https://git.kernel.org/stable/c/c8c4a2972f83c8b68ff03b43cecdb898939ff851","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/9afe53f14a2aae8c4beb30e5ea51641a34f1a3d3","name":"https://git.kernel.org/stable/c/9afe53f14a2aae8c4beb30e5ea51641a34f1a3d3","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/a6d44f477000c6352de6b05e9e276e62083e5fbf","name":"https://git.kernel.org/stable/c/a6d44f477000c6352de6b05e9e276e62083e5fbf","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/65dae8b34f0810f3fa9f77c4c63650cd20820693","name":"https://git.kernel.org/stable/c/65dae8b34f0810f3fa9f77c4c63650cd20820693","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/5a9f29a3e076b637d2234093e57989cf755ded5b","name":"https://git.kernel.org/stable/c/5a9f29a3e076b637d2234093e57989cf755ded5b","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/3e6c08dd97dcd22a00aee469e0adfa819071d80e","name":"https://git.kernel.org/stable/c/3e6c08dd97dcd22a00aee469e0adfa819071d80e","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-53314","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-53314","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 894c9ef9780c5cf2f143415e867ee39a33ecb75d 65dae8b34f0810f3fa9f77c4c63650cd20820693 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 894c9ef9780c5cf2f143415e867ee39a33ecb75d a6d44f477000c6352de6b05e9e276e62083e5fbf git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 894c9ef9780c5cf2f143415e867ee39a33ecb75d 3e6c08dd97dcd22a00aee469e0adfa819071d80e git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 894c9ef9780c5cf2f143415e867ee39a33ecb75d 5a9f29a3e076b637d2234093e57989cf755ded5b git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 894c9ef9780c5cf2f143415e867ee39a33ecb75d 9afe53f14a2aae8c4beb30e5ea51641a34f1a3d3 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 894c9ef9780c5cf2f143415e867ee39a33ecb75d c8c4a2972f83c8b68ff03b43cecdb898939ff851 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 2b1207801c393a5e9af2fbac2dd8b0377d8ae63a git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 0685dfa0a2ff7635c0b64f7b7f0fafbf1c3e0c14 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 3f4d3d010477365ee1aefedc3ad52563740b777e git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 4.19.202 4.20 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5.4.22 5.5 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5.5.6 5.6 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5.6","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.6 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1.175 6.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.141 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.91 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.33 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.0.10 7.0.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"53314","cve":"CVE-2026-53314","epss":"0.001610000","percentile":"0.056920000","score_date":"2026-06-27","updated_at":"2026-06-28 00:08:49"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["include/linux/cpuhotplug.h","include/linux/padata.h","kernel/padata.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"65dae8b34f0810f3fa9f77c4c63650cd20820693","status":"affected","version":"894c9ef9780c5cf2f143415e867ee39a33ecb75d","versionType":"git"},{"lessThan":"a6d44f477000c6352de6b05e9e276e62083e5fbf","status":"affected","version":"894c9ef9780c5cf2f143415e867ee39a33ecb75d","versionType":"git"},{"lessThan":"3e6c08dd97dcd22a00aee469e0adfa819071d80e","status":"affected","version":"894c9ef9780c5cf2f143415e867ee39a33ecb75d","versionType":"git"},{"lessThan":"5a9f29a3e076b637d2234093e57989cf755ded5b","status":"affected","version":"894c9ef9780c5cf2f143415e867ee39a33ecb75d","versionType":"git"},{"lessThan":"9afe53f14a2aae8c4beb30e5ea51641a34f1a3d3","status":"affected","version":"894c9ef9780c5cf2f143415e867ee39a33ecb75d","versionType":"git"},{"lessThan":"c8c4a2972f83c8b68ff03b43cecdb898939ff851","status":"affected","version":"894c9ef9780c5cf2f143415e867ee39a33ecb75d","versionType":"git"},{"status":"affected","version":"2b1207801c393a5e9af2fbac2dd8b0377d8ae63a","versionType":"git"},{"status":"affected","version":"0685dfa0a2ff7635c0b64f7b7f0fafbf1c3e0c14","versionType":"git"},{"status":"affected","version":"3f4d3d010477365ee1aefedc3ad52563740b777e","versionType":"git"},{"lessThan":"4.20","status":"affected","version":"4.19.202","versionType":"semver"},{"lessThan":"5.5","status":"affected","version":"5.4.22","versionType":"semver"},{"lessThan":"5.6","status":"affected","version":"5.5.6","versionType":"semver"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["include/linux/cpuhotplug.h","include/linux/padata.h","kernel/padata.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.6"},{"lessThan":"5.6","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.175","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.141","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.91","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.33","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.10","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.1","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.175","versionStartIncluding":"5.6","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.141","versionStartIncluding":"5.6","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.91","versionStartIncluding":"5.6","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.33","versionStartIncluding":"5.6","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0.10","versionStartIncluding":"5.6","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1","versionStartIncluding":"5.6","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.19.202","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.4.22","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.5.6","vulnerable":true}],"negate":false,"operator":"OR"}]}],"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."}],"providerMetadata":{"dateUpdated":"2026-06-26T19:41:07.447Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"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","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-53314","datePublished":"2026-06-26T19:41:07.447Z","dateReserved":"2026-06-09T07:44:35.397Z","dateUpdated":"2026-06-26T19:41:07.447Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-06-26 20:17:24","lastModifiedDate":"2026-06-26 20:17:24","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"53314","Ordinal":"1","Title":"padata: Put CPU offline callback in ONLINE section to allow fail","CVE":"CVE-2026-53314","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"53314","Ordinal":"1","NoteData":"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.","Type":"Description","Title":"padata: Put CPU offline callback in ONLINE section to allow fail"}]}}}