{"schema_version":"1.9.0","id":"CVE-2025-68333","published":"2025-12-22T16:14:11.081Z","modified":"2026-08-12T03:51:17.144049927Z","summary":"sched_ext: Fix possible deadlock in the deferred_irq_workfn()","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nsched_ext: Fix possible deadlock in the deferred_irq_workfn()\n\nFor PREEMPT_RT=y kernels, the deferred_irq_workfn() is executed in\nthe per-cpu irq_work/* task context and not disable-irq, if the rq\nreturned by container_of() is current CPU's rq, the following scenarios\nmay occur:\n\nlock(&rq->__lock);\n<Interrupt>\n  lock(&rq->__lock);\n\nThis commit use IRQ_WORK_INIT_HARD() to replace init_irq_work() to\ninitialize rq->scx.deferred_irq_work, make the deferred_irq_workfn()\nis always invoked in hard-irq context.","affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"5b26f7b920f76b2b9cc398c252a9e35e44bf5bb9"},{"fixed":"541959b2fadb832a7d0ceb95041dc52bdcf6bff7"},{"fixed":"600b4379b9a7ba41340d652211fb29699da4c629"},{"fixed":"a257e974210320ede524f340ffe16bf4bf0dda1e"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-68333.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.12.0"},{"fixed":"6.12.68"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.17.12"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-68333.json"}}],"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/541959b2fadb832a7d0ceb95041dc52bdcf6bff7"},{"type":"WEB","url":"https://git.kernel.org/stable/c/600b4379b9a7ba41340d652211fb29699da4c629"},{"type":"WEB","url":"https://git.kernel.org/stable/c/a257e974210320ede524f340ffe16bf4bf0dda1e"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/68xxx/CVE-2025-68333.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-68333"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/68xxx/CVE-2025-68333.json"}}