{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-68333", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-12-16T14:48:05.297Z", "datePublished": "2025-12-22T16:14:11.081Z", "dateUpdated": "2026-01-30T15:35:35.831Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-01-30T15:35:35.831Z"}, "descriptions": [{"lang": "en", "value": "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": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["kernel/sched/ext.c"], "versions": [{"version": "5b26f7b920f76b2b9cc398c252a9e35e44bf5bb9", "lessThan": "541959b2fadb832a7d0ceb95041dc52bdcf6bff7", "status": "affected", "versionType": "git"}, {"version": "5b26f7b920f76b2b9cc398c252a9e35e44bf5bb9", "lessThan": "600b4379b9a7ba41340d652211fb29699da4c629", "status": "affected", "versionType": "git"}, {"version": "5b26f7b920f76b2b9cc398c252a9e35e44bf5bb9", "lessThan": "a257e974210320ede524f340ffe16bf4bf0dda1e", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["kernel/sched/ext.c"], "versions": [{"version": "6.12", "status": "affected"}, {"version": "0", "lessThan": "6.12", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.68", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.17.12", "lessThanOrEqual": "6.17.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18", "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": "6.12", "versionEndExcluding": "6.12.68"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.12", "versionEndExcluding": "6.17.12"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.12", "versionEndExcluding": "6.18"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/541959b2fadb832a7d0ceb95041dc52bdcf6bff7"}, {"url": "https://git.kernel.org/stable/c/600b4379b9a7ba41340d652211fb29699da4c629"}, {"url": "https://git.kernel.org/stable/c/a257e974210320ede524f340ffe16bf4bf0dda1e"}], "title": "sched_ext: Fix possible deadlock in the deferred_irq_workfn()", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "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."}], "id": "CVE-2025-68333", "lastModified": "2026-01-30T10:15:55.443", "metrics": {}, "published": "2025-12-22T17:16:01.020", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/541959b2fadb832a7d0ceb95041dc52bdcf6bff7"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/600b4379b9a7ba41340d652211fb29699da4c629"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a257e974210320ede524f340ffe16bf4bf0dda1e"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: sched_ext: Fix possible deadlock in the deferred_irq_workfn()", "id": "2424329", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2424329"}, "csaw": false, "details": ["No description is available for this CVE."], "name": "CVE-2025-68333", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "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": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-12-22T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-68333\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-68333\nhttps://lore.kernel.org/linux-cve-announce/2025122219-CVE-2025-68333-4689@gregkh/T"]}

{}