CVE-2026-93150

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-93150", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-17T16:02:15.089Z", "datePublished": "2026-09-17T16:11:46.799Z", "dateUpdated": "2026-10-30T12:36:08.842Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-30T12:36:08.842Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncgroup/cpuset: Make nr_deadline_tasks an atomic_t\n\nThe nr_deadline_tasks variable in the cpuset structure was introduced by\ncommit 6c24849f5515 (\"sched/cpuset: Keep track of SCHED_DEADLINE task\nin cpusets\"). It is reported by sashiko [1] that nr_deadline_tasks\ncan currently be modified by inc_dl_tasks_cs() under rq->lock and\nby cpuset_attach() under cpuset_mutex. So if both updates happen\nsimultaneously, the nr_deadline_tasks variable can be corrupted leading\nto incorrect operations down the road.\n\nFix that by changing its type to atomic_t so that nr_deadline_tasks\nare always atomically updated. This fix patch is a low hanging fruit.\nIt can handle some of the races between a concurrent sched_setscheduler()\nand cpuset_can_attach()/cpuset_attach() calls, but not all of them like\nthe other issue raised by sashiko [2]. This will be handled hopefully\nin a future follow up patch.\n\n[1] https://sashiko.dev/#/patchset/20260626181923.133658-1-longman%40redhat.com\n[2] https://sashiko.dev/#/patchset/20260630033344.352702-1-longman%40redhat.com"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["kernel/cgroup/cpuset-internal.h", "kernel/cgroup/cpuset.c"], "versions": [{"version": "d1b4262b78cc7638642833252ae92fc586854ffb", "lessThan": "4987d336abf3fa575a2d953f69e11154ac9802c3", "status": "affected", "versionType": "git"}, {"version": "6c24849f5515e4966d94fa5279bdff4acf2e9489", "lessThan": "642648fa7595241e4d491add5007bc33f11defb5", "status": "affected", "versionType": "git"}, {"version": "6c24849f5515e4966d94fa5279bdff4acf2e9489", "lessThan": "e422b32e6a57269ca8164c60674a78bee85cf5fb", "status": "affected", "versionType": "git"}, {"version": "6c24849f5515e4966d94fa5279bdff4acf2e9489", "lessThan": "e5965ae3f7c918151b87e5c925b7978afbeaf638", "status": "affected", "versionType": "git"}, {"version": "6c24849f5515e4966d94fa5279bdff4acf2e9489", "lessThan": "78d9daf5e13ad1448b7dfebac949936710ec7565", "status": "affected", "versionType": "git"}, {"version": "6c24849f5515e4966d94fa5279bdff4acf2e9489", "lessThan": "95220e1f18f6321008f021abc7d6f581f64bcb82", "status": "affected", "versionType": "git"}, {"version": "5ac05ce5684315d0e71194a63febaf33921c3268", "status": "affected", "versionType": "git"}, {"version": "43d8cbfefa7c59bd3b5fe184535eca476d45304e", "status": "affected", "versionType": "git"}, {"version": "74fac5bb0d375d6b8f5e7997925063c509089c9c", "status": "affected", "versionType": "git"}, {"version": "6.1.50", "lessThan": "6.1.191", "status": "affected", "versionType": "semver"}, {"version": "5.10.193", "lessThan": "5.11", "status": "affected", "versionType": "semver"}, {"version": "5.15.129", "lessThan": "5.16", "status": "affected", "versionType": "semver"}, {"version": "6.4.13", "lessThan": "6.5", "status": "affected", "versionType": "semver"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["kernel/cgroup/cpuset-internal.h", "kernel/cgroup/cpuset.c"], "versions": [{"version": "6.5", "status": "affected"}, {"version": "0", "lessThan": "6.5", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.191", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.160", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.110", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.52", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.6", "lessThanOrEqual": "7.2.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.3", "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": "6.1.50", "versionEndExcluding": "6.1.191"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.5", "versionEndExcluding": "6.6.160"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.5", "versionEndExcluding": "6.12.110"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.5", "versionEndExcluding": "6.18.52"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.5", "versionEndExcluding": "7.2.6"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.5", "versionEndExcluding": "7.3"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.10.193"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15.129"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.4.13"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/4987d336abf3fa575a2d953f69e11154ac9802c3"}, {"url": "https://git.kernel.org/stable/c/642648fa7595241e4d491add5007bc33f11defb5"}, {"url": "https://git.kernel.org/stable/c/e422b32e6a57269ca8164c60674a78bee85cf5fb"}, {"url": "https://git.kernel.org/stable/c/e5965ae3f7c918151b87e5c925b7978afbeaf638"}, {"url": "https://git.kernel.org/stable/c/78d9daf5e13ad1448b7dfebac949936710ec7565"}, {"url": "https://git.kernel.org/stable/c/95220e1f18f6321008f021abc7d6f581f64bcb82"}], "title": "cgroup/cpuset: Make nr_deadline_tasks an atomic_t", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["kernel/cgroup/cpuset-internal.h", "kernel/cgroup/cpuset.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "4987d336abf3fa575a2d953f69e11154ac9802c3", "status": "affected", "version": "d1b4262b78cc7638642833252ae92fc586854ffb", "versionType": "git"}, {"lessThan": "642648fa7595241e4d491add5007bc33f11defb5", "status": "affected", "version": "6c24849f5515e4966d94fa5279bdff4acf2e9489", "versionType": "git"}, {"lessThan": "e422b32e6a57269ca8164c60674a78bee85cf5fb", "status": "affected", "version": "6c24849f5515e4966d94fa5279bdff4acf2e9489", "versionType": "git"}, {"lessThan": "e5965ae3f7c918151b87e5c925b7978afbeaf638", "status": "affected", "version": "6c24849f5515e4966d94fa5279bdff4acf2e9489", "versionType": "git"}, {"lessThan": "78d9daf5e13ad1448b7dfebac949936710ec7565", "status": "affected", "version": "6c24849f5515e4966d94fa5279bdff4acf2e9489", "versionType": "git"}, {"lessThan": "95220e1f18f6321008f021abc7d6f581f64bcb82", "status": "affected", "version": "6c24849f5515e4966d94fa5279bdff4acf2e9489", "versionType": "git"}, {"status": "affected", "version": "5ac05ce5684315d0e71194a63febaf33921c3268", "versionType": "git"}, {"status": "affected", "version": "43d8cbfefa7c59bd3b5fe184535eca476d45304e", "versionType": "git"}, {"status": "affected", "version": "74fac5bb0d375d6b8f5e7997925063c509089c9c", "versionType": "git"}, {"lessThan": "6.1.191", "status": "affected", "version": "6.1.50", "versionType": "semver"}, {"lessThan": "5.11", "status": "affected", "version": "5.10.193", "versionType": "semver"}, {"lessThan": "5.16", "status": "affected", "version": "5.15.129", "versionType": "semver"}, {"lessThan": "6.5", "status": "affected", "version": "6.4.13", "versionType": "semver"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["kernel/cgroup/cpuset-internal.h", "kernel/cgroup/cpuset.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.5"}, {"lessThan": "6.5", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.191", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.160", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.110", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.52", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.6", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.3", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncgroup/cpuset: Make nr_deadline_tasks an atomic_t\n\nThe nr_deadline_tasks variable in the cpuset structure was introduced by\ncommit 6c24849f5515 (\"sched/cpuset: Keep track of SCHED_DEADLINE task\nin cpusets\"). It is reported by sashiko [1] that nr_deadline_tasks\ncan currently be modified by inc_dl_tasks_cs() under rq->lock and\nby cpuset_attach() under cpuset_mutex. So if both updates happen\nsimultaneously, the nr_deadline_tasks variable can be corrupted leading\nto incorrect operations down the road.\n\nFix that by changing its type to atomic_t so that nr_deadline_tasks\nare always atomically updated. This fix patch is a low hanging fruit.\nIt can handle some of the races between a concurrent sched_setscheduler()\nand cpuset_can_attach()/cpuset_attach() calls, but not all of them like\nthe other issue raised by sashiko [2]. This will be handled hopefully\nin a future follow up patch.\n\n[1] https://sashiko.dev/#/patchset/20260626181923.133658-1-longman%40redhat.com\n[2] https://sashiko.dev/#/patchset/20260630033344.352702-1-longman%40redhat.com"}], "id": "CVE-2026-93150", "lastModified": "2026-10-30T13:20:58.420", "metrics": {}, "published": "2026-09-17T17:18:10.213", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/4987d336abf3fa575a2d953f69e11154ac9802c3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/642648fa7595241e4d491add5007bc33f11defb5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/78d9daf5e13ad1448b7dfebac949936710ec7565"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/95220e1f18f6321008f021abc7d6f581f64bcb82"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/e422b32e6a57269ca8164c60674a78bee85cf5fb"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/e5965ae3f7c918151b87e5c925b7978afbeaf638"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[6c24849f5515e4966d94fa5279bdff4acf2e9489,e422b32e6a57269ca8164c60674a78bee85cf5fb)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[6c24849f5515e4966d94fa5279bdff4acf2e9489,e5965ae3f7c918151b87e5c925b7978afbeaf638)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[6c24849f5515e4966d94fa5279bdff4acf2e9489,78d9daf5e13ad1448b7dfebac949936710ec7565)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[6c24849f5515e4966d94fa5279bdff4acf2e9489,95220e1f18f6321008f021abc7d6f581f64bcb82)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "5ac05ce5684315d0e71194a63febaf33921c3268"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "43d8cbfefa7c59bd3b5fe184535eca476d45304e"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "d1b4262b78cc7638642833252ae92fc586854ffb"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "74fac5bb0d375d6b8f5e7997925063c509089c9c"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[5.10.193,5.11)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[5.15.129,5.16)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[6.1.50,6.2)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[6.4.13,6.5)"}}], "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": "semver", "value": "6.5"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,6.5)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.12.110,6.12.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.18.52,6.18.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.2.6,7.2.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.3-rc1,*]"}}], "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": "2026-09-19T08:45:06.629498+00:00", "updated": "2026-09-19T17:00:11.494635+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-362"]}