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CVE-2024-47143 (GCVE-0-2024-47143)

Vulnerability from cvelistv5 – Published: 2025-01-11 12:25 – Updated: 2026-05-11 20:38
VLAI
Title
dma-debug: fix a possible deadlock on radix_lock
Summary
In the Linux kernel, the following vulnerability has been resolved: dma-debug: fix a possible deadlock on radix_lock radix_lock() shouldn't be held while holding dma_hash_entry[idx].lock otherwise, there's a possible deadlock scenario when dma debug API is called holding rq_lock(): CPU0 CPU1 CPU2 dma_free_attrs() check_unmap() add_dma_entry() __schedule() //out (A) rq_lock() get_hash_bucket() (A) dma_entry_hash check_sync() (A) radix_lock() (W) dma_entry_hash dma_entry_free() (W) radix_lock() // CPU2's one (W) rq_lock() CPU1 situation can happen when it extending radix tree and it tries to wake up kswapd via wake_all_kswapd(). CPU2 situation can happen while perf_event_task_sched_out() (i.e. dma sync operation is called while deleting perf_event using etm and etr tmc which are Arm Coresight hwtracing driver backends). To remove this possible situation, call dma_entry_free() after put_hash_bucket() in check_unmap().
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-10-01 19:55 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 0abdd7a81b7e3fd781d7fabcca49501852bba17e , < 3ccce34a5c3f5c9541108a451657ade621524b32 (git)
Affected: 0abdd7a81b7e3fd781d7fabcca49501852bba17e , < efe1b9bbf356357fdff0399af361133d6e3ba18e (git)
Affected: 0abdd7a81b7e3fd781d7fabcca49501852bba17e , < 8c1b4fea8d62285f5e1a8194889b39661608bd8a (git)
Affected: 0abdd7a81b7e3fd781d7fabcca49501852bba17e , < c212d91070beca0d03fef7bf988baf4ff4b3eee4 (git)
Affected: 0abdd7a81b7e3fd781d7fabcca49501852bba17e , < f2b95248a16c5186d1c658fc0aeb2f3bd95e5259 (git)
Affected: 0abdd7a81b7e3fd781d7fabcca49501852bba17e , < 7543c3e3b9b88212fcd0aaf5cab5588797bdc7de (git)
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Linux Linux Affected: 3.14
Unaffected: 0 , < 3.14 (semver)
Unaffected: 5.10.231 , ≤ 5.10.* (semver)
Unaffected: 5.15.174 , ≤ 5.15.* (semver)
Unaffected: 6.1.120 , ≤ 6.1.* (semver)
Unaffected: 6.6.66 , ≤ 6.6.* (semver)
Unaffected: 6.12.5 , ≤ 6.12.* (semver)
Unaffected: 6.13 , ≤ * (original_commit_for_fix)
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndma-debug: fix a possible deadlock on radix_lock\n\nradix_lock() shouldn\u0027t be held while holding dma_hash_entry[idx].lock\notherwise, there\u0027s a possible deadlock scenario when\ndma debug API is called holding rq_lock():\n\nCPU0                   CPU1                       CPU2\ndma_free_attrs()\ncheck_unmap()          add_dma_entry()            __schedule() //out\n                                                  (A) rq_lock()\nget_hash_bucket()\n(A) dma_entry_hash\n                                                  check_sync()\n                       (A) radix_lock()           (W) dma_entry_hash\ndma_entry_free()\n(W) radix_lock()\n                       // CPU2\u0027s one\n                       (W) rq_lock()\n\nCPU1 situation can happen when it extending radix tree and\nit tries to wake up kswapd via wake_all_kswapd().\n\nCPU2 situation can happen while perf_event_task_sched_out()\n(i.e. dma sync operation is called while deleting perf_event using\n etm and etr tmc which are Arm Coresight hwtracing driver backends).\n\nTo remove this possible situation, call dma_entry_free() after\nput_hash_bucket() in check_unmap()."
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      "descriptions": "[{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\ndma-debug: fix a possible deadlock on radix_lock\\n\\nradix_lock() shouldn\u0027t be held while holding dma_hash_entry[idx].lock\\notherwise, there\u0027s a possible deadlock scenario when\\ndma debug API is called holding rq_lock():\\n\\nCPU0                   CPU1                       CPU2\\ndma_free_attrs()\\ncheck_unmap()          add_dma_entry()            __schedule() //out\\n                                                  (A) rq_lock()\\nget_hash_bucket()\\n(A) dma_entry_hash\\n                                                  check_sync()\\n                       (A) radix_lock()           (W) dma_entry_hash\\ndma_entry_free()\\n(W) radix_lock()\\n                       // CPU2\u0027s one\\n                       (W) rq_lock()\\n\\nCPU1 situation can happen when it extending radix tree and\\nit tries to wake up kswapd via wake_all_kswapd().\\n\\nCPU2 situation can happen while perf_event_task_sched_out()\\n(i.e. dma sync operation is called while deleting perf_event using\\n etm and etr tmc which are Arm Coresight hwtracing driver backends).\\n\\nTo remove this possible situation, call dma_entry_free() after\\nput_hash_bucket() in check_unmap().\"}]",
      "id": "CVE-2024-47143",
      "lastModified": "2025-01-11T13:15:22.007",
      "published": "2025-01-11T13:15:22.007",
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      "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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      "cve": "CVE-2024-47143",
      "id": "msrc_CVE-2024-47143",
      "initial_release_date": "2025-01-02T00:00:00.000Z",
      "product_status:fixed": "4",
      "product_status:known_affected": "4",
      "source": "Microsoft CSAF VEX",
      "status": "final",
      "title": "dma-debug: fix a possible deadlock on radix_lock",
      "url": "https://msrc.microsoft.com/csaf/vex/2025/msrc_cve-2024-47143.json",
      "version": "2"
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    "nvd": "{\"cve\":{\"id\":\"CVE-2024-47143\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-01-11T13:15:22.007\",\"lastModified\":\"2026-06-17T07:56:37.300\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\ndma-debug: fix a possible deadlock on radix_lock\\n\\nradix_lock() shouldn\u0027t be held while holding dma_hash_entry[idx].lock\\notherwise, there\u0027s a possible deadlock scenario when\\ndma debug API is called holding rq_lock():\\n\\nCPU0                   CPU1                       CPU2\\ndma_free_attrs()\\ncheck_unmap()          add_dma_entry()            __schedule() //out\\n                                                  (A) rq_lock()\\nget_hash_bucket()\\n(A) dma_entry_hash\\n                                                  check_sync()\\n                       (A) radix_lock()           (W) dma_entry_hash\\ndma_entry_free()\\n(W) radix_lock()\\n                       // CPU2\u0027s one\\n                       (W) rq_lock()\\n\\nCPU1 situation can happen when it extending radix tree and\\nit tries to wake up kswapd via wake_all_kswapd().\\n\\nCPU2 situation can happen while perf_event_task_sched_out()\\n(i.e. dma sync operation is called while deleting perf_event using\\n etm and etr tmc which are Arm Coresight hwtracing driver backends).\\n\\nTo remove this possible situation, call dma_entry_free() after\\nput_hash_bucket() in check_unmap().\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: dma-debug: corrige un posible bloqueo en radix_lock radix_lock() no se debe mantener mientras se mantiene dma_hash_entry[idx].lock de lo contrario, existe un posible escenario de bloqueo cuando se llama a la API de depuraci\u00f3n de dma manteniendo rq_lock(): CPU0 CPU1 CPU2 dma_free_attrs() check_unmap() add_dma_entry() __schedule() //out (A) rq_lock() get_hash_bucket() (A) dma_entry_hash check_sync() (A) radix_lock() (W) dma_entry_hash dma_entry_free() (W) radix_lock() // El \u00fanico rq_lock() de CPU2 (W) La situaci\u00f3n de CPU1 puede ocurrir cuando extiende el \u00e1rbol de radix e intenta despertar a kswapd a trav\u00e9s de wake_all_kswapd(). La situaci\u00f3n de CPU2 puede ocurrir mientras se ejecuta perf_event_task_sched_out() (es decir, se llama a la operaci\u00f3n de sincronizaci\u00f3n de dma mientras se elimina perf_event usando etm y etr tmc, que son backends del controlador hwtracing de Arm Coresight). Para eliminar esta posible situaci\u00f3n, llame a dma_entry_free() despu\u00e9s de put_hash_bucket() en check_unmap().\"}],\"affected\":[{\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"affectedData\":[{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"unaffected\",\"programFiles\":[\"kernel/dma/debug.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"0abdd7a81b7e3fd781d7fabcca49501852bba17e\",\"lessThan\":\"3ccce34a5c3f5c9541108a451657ade621524b32\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"0abdd7a81b7e3fd781d7fabcca49501852bba17e\",\"lessThan\":\"efe1b9bbf356357fdff0399af361133d6e3ba18e\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"0abdd7a81b7e3fd781d7fabcca49501852bba17e\",\"lessThan\":\"8c1b4fea8d62285f5e1a8194889b39661608bd8a\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"0abdd7a81b7e3fd781d7fabcca49501852bba17e\",\"lessThan\":\"c212d91070beca0d03fef7bf988baf4ff4b3eee4\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"0abdd7a81b7e3fd781d7fabcca49501852bba17e\",\"lessThan\":\"f2b95248a16c5186d1c658fc0aeb2f3bd95e5259\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"0abdd7a81b7e3fd781d7fabcca49501852bba17e\",\"lessThan\":\"7543c3e3b9b88212fcd0aaf5cab5588797bdc7de\",\"versionType\":\"git\",\"status\":\"affected\"}]},{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"affected\",\"programFiles\":[\"kernel/dma/debug.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"3.14\",\"status\":\"affected\"},{\"version\":\"0\",\"lessThan\":\"3.14\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.10.231\",\"lessThanOrEqual\":\"5.10.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.15.174\",\"lessThanOrEqual\":\"5.15.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.1.120\",\"lessThanOrEqual\":\"6.1.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.6.66\",\"lessThanOrEqual\":\"6.6.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.12.5\",\"lessThanOrEqual\":\"6.12.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.13\",\"lessThanOrEqual\":\"*\",\"versionType\":\"original_commit_for_fix\",\"status\":\"unaffected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6},{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}],\"ssvcV203\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"ssvcData\":{\"timestamp\":\"2025-10-01T19:55:51.622689Z\",\"id\":\"CVE-2024-47143\",\"options\":[{\"exploitation\":\"none\"},{\"automatable\":\"no\"},{\"technicalImpact\":\"partial\"}],\"role\":\"CISA Coordinator\",\"version\":\"2.0.3\"}}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-667\"}]},{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-667\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"5.10.231\",\"matchCriteriaId\":\"2334FDBC-71D6-4D4A-AD2C-CF092C82C68A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.11\",\"versionEndExcluding\":\"5.15.174\",\"matchCriteriaId\":\"419FD073-1517-4FD5-8158-F94BC68A1E89\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.16\",\"versionEndExcluding\":\"6.1.120\",\"matchCriteriaId\":\"09AC6122-E2A4-40FE-9D33-268A1B2EC265\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.2\",\"versionEndExcluding\":\"6.6.66\",\"matchCriteriaId\":\"29A976AD-B9AB-4A95-9F08-7669F8847EB9\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.7\",\"versionEndExcluding\":\"6.12.5\",\"matchCriteriaId\":\"9501D045-7A94-42CA-8B03-821BE94A65B7\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/3ccce34a5c3f5c9541108a451657ade621524b32\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/7543c3e3b9b88212fcd0aaf5cab5588797bdc7de\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/8c1b4fea8d62285f5e1a8194889b39661608bd8a\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/c212d91070beca0d03fef7bf988baf4ff4b3eee4\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/efe1b9bbf356357fdff0399af361133d6e3ba18e\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/f2b95248a16c5186d1c658fc0aeb2f3bd95e5259\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"}]}}",
    "redhat_vex": {
      "aggregate_severity": "Low",
      "current_release_date": "2025-11-21T13:51:14+00:00",
      "cve": "CVE-2024-47143",
      "id": "CVE-2024-47143",
      "initial_release_date": "2024-01-01T00:00:00+00:00",
      "product_status:known_affected": "156",
      "product_status:known_not_affected": "42",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: dma-debug: fix a possible deadlock on radix_lock",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2024/cve-2024-47143.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-09-15T02:23:12Z",
      "cve": "CVE-2024-47143",
      "id": "CVE-2024-47143",
      "initial_release_date": "2025-01-12T00:18:40Z",
      "product_status:known_affected": "394",
      "product_status:known_not_affected": "398",
      "product_status:recommended": "358",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2024-47143",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2024-47143.json",
      "version": "60"
    },
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html\"}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html\"}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2025-11-03T20:39:31.851Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 5.5, \"attackVector\": \"LOCAL\", \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\", \"integrityImpact\": \"NONE\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"LOW\", \"confidentialityImpact\": \"NONE\"}}, {\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2024-47143\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-10-01T19:55:51.622689Z\"}}}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-667\", \"description\": \"CWE-667 Improper Locking\"}]}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2025-10-01T15:52:26.293Z\"}}], \"cna\": {\"title\": \"dma-debug: fix a possible deadlock on radix_lock\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"0abdd7a81b7e3fd781d7fabcca49501852bba17e\", \"lessThan\": \"3ccce34a5c3f5c9541108a451657ade621524b32\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"0abdd7a81b7e3fd781d7fabcca49501852bba17e\", \"lessThan\": \"efe1b9bbf356357fdff0399af361133d6e3ba18e\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"0abdd7a81b7e3fd781d7fabcca49501852bba17e\", \"lessThan\": \"8c1b4fea8d62285f5e1a8194889b39661608bd8a\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"0abdd7a81b7e3fd781d7fabcca49501852bba17e\", \"lessThan\": \"c212d91070beca0d03fef7bf988baf4ff4b3eee4\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"0abdd7a81b7e3fd781d7fabcca49501852bba17e\", \"lessThan\": \"f2b95248a16c5186d1c658fc0aeb2f3bd95e5259\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"0abdd7a81b7e3fd781d7fabcca49501852bba17e\", \"lessThan\": \"7543c3e3b9b88212fcd0aaf5cab5588797bdc7de\", \"versionType\": \"git\"}], \"programFiles\": [\"kernel/dma/debug.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"3.14\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"3.14\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"5.10.231\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.10.*\"}, {\"status\": \"unaffected\", \"version\": \"5.15.174\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.15.*\"}, {\"status\": \"unaffected\", \"version\": \"6.1.120\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.1.*\"}, {\"status\": \"unaffected\", \"version\": \"6.6.66\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.6.*\"}, {\"status\": \"unaffected\", \"version\": \"6.12.5\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.12.*\"}, {\"status\": \"unaffected\", \"version\": \"6.13\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"kernel/dma/debug.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/3ccce34a5c3f5c9541108a451657ade621524b32\"}, {\"url\": \"https://git.kernel.org/stable/c/efe1b9bbf356357fdff0399af361133d6e3ba18e\"}, {\"url\": \"https://git.kernel.org/stable/c/8c1b4fea8d62285f5e1a8194889b39661608bd8a\"}, {\"url\": \"https://git.kernel.org/stable/c/c212d91070beca0d03fef7bf988baf4ff4b3eee4\"}, {\"url\": \"https://git.kernel.org/stable/c/f2b95248a16c5186d1c658fc0aeb2f3bd95e5259\"}, {\"url\": \"https://git.kernel.org/stable/c/7543c3e3b9b88212fcd0aaf5cab5588797bdc7de\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\ndma-debug: fix a possible deadlock on radix_lock\\n\\nradix_lock() shouldn\u0027t be held while holding dma_hash_entry[idx].lock\\notherwise, there\u0027s a possible deadlock scenario when\\ndma debug API is called holding rq_lock():\\n\\nCPU0                   CPU1                       CPU2\\ndma_free_attrs()\\ncheck_unmap()          add_dma_entry()            __schedule() //out\\n                                                  (A) rq_lock()\\nget_hash_bucket()\\n(A) dma_entry_hash\\n                                                  check_sync()\\n                       (A) radix_lock()           (W) dma_entry_hash\\ndma_entry_free()\\n(W) radix_lock()\\n                       // CPU2\u0027s one\\n                       (W) rq_lock()\\n\\nCPU1 situation can happen when it extending radix tree and\\nit tries to wake up kswapd via wake_all_kswapd().\\n\\nCPU2 situation can happen while perf_event_task_sched_out()\\n(i.e. dma sync operation is called while deleting perf_event using\\n etm and etr tmc which are Arm Coresight hwtracing driver backends).\\n\\nTo remove this possible situation, call dma_entry_free() after\\nput_hash_bucket() in check_unmap().\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.231\", \"versionStartIncluding\": \"3.14\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.174\", \"versionStartIncluding\": \"3.14\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.120\", \"versionStartIncluding\": \"3.14\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.66\", \"versionStartIncluding\": \"3.14\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.12.5\", \"versionStartIncluding\": \"3.14\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.13\", \"versionStartIncluding\": \"3.14\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2026-01-05T10:53:43.155Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-47143\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-01-05T10:53:43.155Z\", \"dateReserved\": \"2025-01-09T09:49:29.749Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2025-01-11T12:25:13.561Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.