{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-31480", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-03-09T15:48:24.100Z", "datePublished": "2026-04-22T13:54:07.566Z", "dateUpdated": "2026-04-22T13:54:07.566Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-04-22T13:54:07.566Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntracing: Fix potential deadlock in cpu hotplug with osnoise\n\nThe following sequence may leads deadlock in cpu hotplug:\n\n task1 task2 task3\n ----- ----- -----\n\n mutex_lock(&interface_lock)\n\n [CPU GOING OFFLINE]\n\n cpus_write_lock();\n osnoise_cpu_die();\n kthread_stop(task3);\n wait_for_completion();\n\n osnoise_sleep();\n mutex_lock(&interface_lock);\n\n cpus_read_lock();\n\n [DEAD LOCK]\n\nFix by swap the order of cpus_read_lock() and mutex_lock(&interface_lock)."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["kernel/trace/trace_osnoise.c"], "versions": [{"version": "bce29ac9ce0bb0b0b146b687ab978378c21e9078", "lessThan": "cf929c21eeed5bd39873fb14bfdfff963fa6f1da", "status": "affected", "versionType": "git"}, {"version": "bce29ac9ce0bb0b0b146b687ab978378c21e9078", "lessThan": "7aa095ce7d224308cb6979956f0de8607df93d4f", "status": "affected", "versionType": "git"}, {"version": "bce29ac9ce0bb0b0b146b687ab978378c21e9078", "lessThan": "ef41a85a55022e27cdaebf22a6676910b66f65aa", "status": "affected", "versionType": "git"}, {"version": "bce29ac9ce0bb0b0b146b687ab978378c21e9078", "lessThan": "03474a01c199de17a8e2d39b51df6beb9c76e831", "status": "affected", "versionType": "git"}, {"version": "bce29ac9ce0bb0b0b146b687ab978378c21e9078", "lessThan": "f278b8ebf7eba2a1699cfc7bf30dd3ef898d60d7", "status": "affected", "versionType": "git"}, {"version": "bce29ac9ce0bb0b0b146b687ab978378c21e9078", "lessThan": "7a41d4633cd2c15eb5ed31e8f3b16910e50a8c9f", "status": "affected", "versionType": "git"}, {"version": "bce29ac9ce0bb0b0b146b687ab978378c21e9078", "lessThan": "1f9885732248d22f788e4992c739a98c88ab8a55", "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/trace/trace_osnoise.c"], "versions": [{"version": "5.14", "status": "affected"}, {"version": "0", "lessThan": "5.14", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.203", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.168", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.131", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.80", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.21", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.19.11", "lessThanOrEqual": "6.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0", "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": "5.14", "versionEndExcluding": "5.15.203"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.14", "versionEndExcluding": "6.1.168"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.14", "versionEndExcluding": "6.6.131"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.14", "versionEndExcluding": "6.12.80"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.14", "versionEndExcluding": "6.18.21"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.14", "versionEndExcluding": "6.19.11"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.14", "versionEndExcluding": "7.0"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/cf929c21eeed5bd39873fb14bfdfff963fa6f1da"}, {"url": "https://git.kernel.org/stable/c/7aa095ce7d224308cb6979956f0de8607df93d4f"}, {"url": "https://git.kernel.org/stable/c/ef41a85a55022e27cdaebf22a6676910b66f65aa"}, {"url": "https://git.kernel.org/stable/c/03474a01c199de17a8e2d39b51df6beb9c76e831"}, {"url": "https://git.kernel.org/stable/c/f278b8ebf7eba2a1699cfc7bf30dd3ef898d60d7"}, {"url": "https://git.kernel.org/stable/c/7a41d4633cd2c15eb5ed31e8f3b16910e50a8c9f"}, {"url": "https://git.kernel.org/stable/c/1f9885732248d22f788e4992c739a98c88ab8a55"}], "title": "tracing: Fix potential deadlock in cpu hotplug with osnoise", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntracing: Fix potential deadlock in cpu hotplug with osnoise\n\nThe following sequence may leads deadlock in cpu hotplug:\n\n task1 task2 task3\n ----- ----- -----\n\n mutex_lock(&interface_lock)\n\n [CPU GOING OFFLINE]\n\n cpus_write_lock();\n osnoise_cpu_die();\n kthread_stop(task3);\n wait_for_completion();\n\n osnoise_sleep();\n mutex_lock(&interface_lock);\n\n cpus_read_lock();\n\n [DEAD LOCK]\n\nFix by swap the order of cpus_read_lock() and mutex_lock(&interface_lock)."}], "id": "CVE-2026-31480", "lastModified": "2026-04-22T14:16:45.170", "metrics": {}, "published": "2026-04-22T14:16:45.170", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/03474a01c199de17a8e2d39b51df6beb9c76e831"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/1f9885732248d22f788e4992c739a98c88ab8a55"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/7a41d4633cd2c15eb5ed31e8f3b16910e50a8c9f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/7aa095ce7d224308cb6979956f0de8607df93d4f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/cf929c21eeed5bd39873fb14bfdfff963fa6f1da"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/ef41a85a55022e27cdaebf22a6676910b66f65aa"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f278b8ebf7eba2a1699cfc7bf30dd3ef898d60d7"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[bce29ac9ce0bb0b0b146b687ab978378c21e9078,cf929c21eeed5bd39873fb14bfdfff963fa6f1da)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[bce29ac9ce0bb0b0b146b687ab978378c21e9078,7aa095ce7d224308cb6979956f0de8607df93d4f)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[bce29ac9ce0bb0b0b146b687ab978378c21e9078,ef41a85a55022e27cdaebf22a6676910b66f65aa)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[bce29ac9ce0bb0b0b146b687ab978378c21e9078,03474a01c199de17a8e2d39b51df6beb9c76e831)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[bce29ac9ce0bb0b0b146b687ab978378c21e9078,f278b8ebf7eba2a1699cfc7bf30dd3ef898d60d7)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[bce29ac9ce0bb0b0b146b687ab978378c21e9078,7a41d4633cd2c15eb5ed31e8f3b16910e50a8c9f)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[bce29ac9ce0bb0b0b146b687ab978378c21e9078,1f9885732248d22f788e4992c739a98c88ab8a55)"}}], "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": "5.14"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,5.14)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[5.15.203,5.16.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.1.168,6.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.6.131,6.7.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.80,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.21,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.19.11,6.20.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.0,*)"}}], "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": "2026-04-22T17:00:11.718595+00:00", "updated": "2026-04-22T17:00:11.718665+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}