{"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:*:*:*:*:*:*:*:*","versionStartIncluding":"5.6","versionEndExcluding":"6.6.141"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.6","versionEndExcluding":"6.12.91"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.6","versionEndExcluding":"6.18.33"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.6","versionEndExcluding":"7.0.10"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.6","versionEndExcluding":"7.1"},{"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"}]}]}],"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"}}}}