CVE-2024-26894 (GCVE-0-2024-26894)

Vulnerability from cvelistv5 – Published: 2024-04-17 10:27 – Updated: 2026-05-12 12:14
VLAI
Title
ACPI: processor_idle: Fix memory leak in acpi_processor_power_exit()
Summary
In the Linux kernel, the following vulnerability has been resolved: ACPI: processor_idle: Fix memory leak in acpi_processor_power_exit() After unregistering the CPU idle device, the memory associated with it is not freed, leading to a memory leak: unreferenced object 0xffff896282f6c000 (size 1024): comm "swapper/0", pid 1, jiffies 4294893170 hex dump (first 32 bytes): 00 00 00 00 0b 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace (crc 8836a742): [<ffffffff993495ed>] kmalloc_trace+0x29d/0x340 [<ffffffff9972f3b3>] acpi_processor_power_init+0xf3/0x1c0 [<ffffffff9972d263>] __acpi_processor_start+0xd3/0xf0 [<ffffffff9972d2bc>] acpi_processor_start+0x2c/0x50 [<ffffffff99805872>] really_probe+0xe2/0x480 [<ffffffff99805c98>] __driver_probe_device+0x78/0x160 [<ffffffff99805daf>] driver_probe_device+0x1f/0x90 [<ffffffff9980601e>] __driver_attach+0xce/0x1c0 [<ffffffff99803170>] bus_for_each_dev+0x70/0xc0 [<ffffffff99804822>] bus_add_driver+0x112/0x210 [<ffffffff99807245>] driver_register+0x55/0x100 [<ffffffff9aee4acb>] acpi_processor_driver_init+0x3b/0xc0 [<ffffffff990012d1>] do_one_initcall+0x41/0x300 [<ffffffff9ae7c4b0>] kernel_init_freeable+0x320/0x470 [<ffffffff99b231f6>] kernel_init+0x16/0x1b0 [<ffffffff99042e6d>] ret_from_fork+0x2d/0x50 Fix this by freeing the CPU idle device after unregistering it.
Severity
6 (Medium)
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H
CWE
  • CWE-770 - Allocation of Resources Without Limits or Throttling
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 3d339dcbb56d8d70c1b959aff87d74adc3a84eea , < d351bcadab6caa6d8ce7159ff4b77e2da35c09fa (git)
Affected: 3d339dcbb56d8d70c1b959aff87d74adc3a84eea , < ea96bf3f80625cddba1391a87613356b1b45716d (git)
Affected: 3d339dcbb56d8d70c1b959aff87d74adc3a84eea , < c2a30c81bf3cb9033fa9f5305baf7c377075e2e5 (git)
Affected: 3d339dcbb56d8d70c1b959aff87d74adc3a84eea , < 1cbaf4c793b0808532f4e7b40bc4be7cec2c78f2 (git)
Affected: 3d339dcbb56d8d70c1b959aff87d74adc3a84eea , < fad9bcd4d754cc689c19dc04d2c44b82c1a5d6c8 (git)
Affected: 3d339dcbb56d8d70c1b959aff87d74adc3a84eea , < 3d48e5be107429ff5d824e7f2a00d1b610d36fbc (git)
Affected: 3d339dcbb56d8d70c1b959aff87d74adc3a84eea , < 8d14a4d0afb49a5b8535d414c782bb334860e73e (git)
Affected: 3d339dcbb56d8d70c1b959aff87d74adc3a84eea , < cd5c2d0b09d5b6d3f0a7bbabe6761a4997e9dee9 (git)
Affected: 3d339dcbb56d8d70c1b959aff87d74adc3a84eea , < e18afcb7b2a12b635ac10081f943fcf84ddacc51 (git)
Create a notification for this product.
Linux Linux Affected: 3.7
Unaffected: 0 , < 3.7 (semver)
Unaffected: 4.19.311 , ≤ 4.19.* (semver)
Unaffected: 5.4.273 , ≤ 5.4.* (semver)
Unaffected: 5.10.214 , ≤ 5.10.* (semver)
Unaffected: 5.15.153 , ≤ 5.15.* (semver)
Unaffected: 6.1.83 , ≤ 6.1.* (semver)
Unaffected: 6.6.23 , ≤ 6.6.* (semver)
Unaffected: 6.7.11 , ≤ 6.7.* (semver)
Unaffected: 6.8.2 , ≤ 6.8.* (semver)
Unaffected: 6.9 , ≤ * (original_commit_for_fix)
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acpi_processor_power_init+0xf3/0x1c0\\n    [\u003cffffffff9972d263\u003e] __acpi_processor_start+0xd3/0xf0\\n    [\u003cffffffff9972d2bc\u003e] acpi_processor_start+0x2c/0x50\\n    [\u003cffffffff99805872\u003e] really_probe+0xe2/0x480\\n    [\u003cffffffff99805c98\u003e] __driver_probe_device+0x78/0x160\\n    [\u003cffffffff99805daf\u003e] driver_probe_device+0x1f/0x90\\n    [\u003cffffffff9980601e\u003e] __driver_attach+0xce/0x1c0\\n    [\u003cffffffff99803170\u003e] bus_for_each_dev+0x70/0xc0\\n    [\u003cffffffff99804822\u003e] bus_add_driver+0x112/0x210\\n    [\u003cffffffff99807245\u003e] driver_register+0x55/0x100\\n    [\u003cffffffff9aee4acb\u003e] acpi_processor_driver_init+0x3b/0xc0\\n    [\u003cffffffff990012d1\u003e] do_one_initcall+0x41/0x300\\n    [\u003cffffffff9ae7c4b0\u003e] kernel_init_freeable+0x320/0x470\\n    [\u003cffffffff99b231f6\u003e] kernel_init+0x16/0x1b0\\n    [\u003cffffffff99042e6d\u003e] ret_from_fork+0x2d/0x50\\n\\nFix this by freeing the CPU idle device after unregistering it.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ACPI: procesador_idle: corrige la p\u00e9rdida de memoria en acpi_processor_power_exit() Despu\u00e9s de cancelar el registro del dispositivo de CPU inactivo, la memoria asociada con \u00e9l no se libera, lo que genera una p\u00e9rdida de memoria: objeto sin referencia 0xffff896282f6c000 (tama\u00f1o 1024): comunicaci\u00f3n \\\"swapper/0\\\", pid 1, santiam\u00e9n 4294893170 volcado hexadecimal (primeros 32 bytes): 00 00 00 00 0b 00 00 00 00 00 00 00 00 00 00 00 ........... ..... 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ retroceso (crc 8836a742): [] kmalloc_trace+ 0x29d/0x340 [] acpi_processor_power_init+0xf3/0x1c0 [] __acpi_processor_start+0xd3/0xf0 [] acpi_processor_start+0x2c/0x50 [] realmente_probe+0xe2/0x480 [] __driver_probe_device+ 0x78/0x160 [] driver_probe_device+0x1f/0x90 [] __driver_attach+0xce/0x1c0 [] bus_for_each_dev+0x70/0xc0 [] bus_add_driver+0x112/0x210 [] driver_register+ 0x55/0x100 [] acpi_processor_driver_init+0x3b/0xc0 [] do_one_initcall+0x41/0x300 [] kernel_init_freeable+0x320/0x470 [] kernel_init+0x16/0x1b0 [] ret_from_fork+ 0x2d/0x50 Solucione este problema liberando el dispositivo de CPU inactivo despu\u00e9s de cancelar su registro.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H\",\"baseScore\":6.0,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"HIGH\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":0.8,\"impactScore\":5.2}]},\"weaknesses\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-770\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"3.7\",\"versionEndExcluding\":\"4.19.311\",\"matchCriteriaId\":\"C15CF0C6-B6A3-4B4F-BBFD-31316634E47F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.20\",\"versionEndExcluding\":\"5.4.273\",\"matchCriteriaId\":\"620FD8B7-BF03-43E0-951A-0A58461D4C55\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.5\",\"versionEndExcluding\":\"5.10.214\",\"matchCriteriaId\":\"65987874-467B-4D3B-91D6-68A129B34FB8\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.11\",\"versionEndExcluding\":\"5.15.153\",\"matchCriteriaId\":\"ACB69438-845D-4E3C-B114-3140611F9C0B\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.16\",\"versionEndExcluding\":\"6.1.83\",\"matchCriteriaId\":\"121A07F6-F505-4C47-86BF-9BB6CC7B6C19\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.2\",\"versionEndExcluding\":\"6.6.23\",\"matchCriteriaId\":\"E00814DC-0BA7-431A-9926-80FEB4A96C68\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.7\",\"versionEndExcluding\":\"6.7.11\",\"matchCriteriaId\":\"9B95D3A6-E162-47D5-ABFC-F3FA74FA7CFD\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.8\",\"versionEndExcluding\":\"6.8.2\",\"matchCriteriaId\":\"543A75FF-25B8-4046-A514-1EA8EDD87AB1\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"07B237A9-69A3-4A9C-9DA0-4E06BD37AE73\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/1cbaf4c793b0808532f4e7b40bc4be7cec2c78f2\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/3d48e5be107429ff5d824e7f2a00d1b610d36fbc\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/8d14a4d0afb49a5b8535d414c782bb334860e73e\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/c2a30c81bf3cb9033fa9f5305baf7c377075e2e5\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/cd5c2d0b09d5b6d3f0a7bbabe6761a4997e9dee9\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/d351bcadab6caa6d8ce7159ff4b77e2da35c09fa\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/e18afcb7b2a12b635ac10081f943fcf84ddacc51\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/ea96bf3f80625cddba1391a87613356b1b45716d\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/fad9bcd4d754cc689c19dc04d2c44b82c1a5d6c8\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/1cbaf4c793b0808532f4e7b40bc4be7cec2c78f2\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/3d48e5be107429ff5d824e7f2a00d1b610d36fbc\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/8d14a4d0afb49a5b8535d414c782bb334860e73e\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/c2a30c81bf3cb9033fa9f5305baf7c377075e2e5\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/cd5c2d0b09d5b6d3f0a7bbabe6761a4997e9dee9\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\"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Linux kernel, the following vulnerability has been resolved:\\n\\nACPI: processor_idle: Fix memory leak in acpi_processor_power_exit()\\n\\nAfter unregistering the CPU idle device, the memory associated with\\nit is not freed, leading to a memory leak:\\n\\nunreferenced object 0xffff896282f6c000 (size 1024):\\n  comm \\\"swapper/0\\\", pid 1, jiffies 4294893170\\n  hex dump (first 32 bytes):\\n    00 00 00 00 0b 00 00 00 00 00 00 00 00 00 00 00  ................\\n    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................\\n  backtrace (crc 8836a742):\\n    [\u003cffffffff993495ed\u003e] kmalloc_trace+0x29d/0x340\\n    [\u003cffffffff9972f3b3\u003e] acpi_processor_power_init+0xf3/0x1c0\\n    [\u003cffffffff9972d263\u003e] __acpi_processor_start+0xd3/0xf0\\n    [\u003cffffffff9972d2bc\u003e] acpi_processor_start+0x2c/0x50\\n    [\u003cffffffff99805872\u003e] really_probe+0xe2/0x480\\n    [\u003cffffffff99805c98\u003e] __driver_probe_device+0x78/0x160\\n    [\u003cffffffff99805daf\u003e] driver_probe_device+0x1f/0x90\\n    [\u003cffffffff9980601e\u003e] __driver_attach+0xce/0x1c0\\n    [\u003cffffffff99803170\u003e] bus_for_each_dev+0x70/0xc0\\n    [\u003cffffffff99804822\u003e] bus_add_driver+0x112/0x210\\n    [\u003cffffffff99807245\u003e] driver_register+0x55/0x100\\n    [\u003cffffffff9aee4acb\u003e] acpi_processor_driver_init+0x3b/0xc0\\n    [\u003cffffffff990012d1\u003e] do_one_initcall+0x41/0x300\\n    [\u003cffffffff9ae7c4b0\u003e] kernel_init_freeable+0x320/0x470\\n    [\u003cffffffff99b231f6\u003e] kernel_init+0x16/0x1b0\\n    [\u003cffffffff99042e6d\u003e] ret_from_fork+0x2d/0x50\\n\\nFix this by freeing the CPU idle device after unregistering it.\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"4.19.311\", \"versionStartIncluding\": \"3.7\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.4.273\", \"versionStartIncluding\": \"3.7\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.214\", \"versionStartIncluding\": \"3.7\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.153\", \"versionStartIncluding\": \"3.7\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.83\", \"versionStartIncluding\": \"3.7\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.23\", \"versionStartIncluding\": \"3.7\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.7.11\", \"versionStartIncluding\": \"3.7\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.8.2\", \"versionStartIncluding\": \"3.7\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.9\", \"versionStartIncluding\": \"3.7\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2026-05-11T20:06:28.578Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-26894\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-05-11T20:06:28.578Z\", \"dateReserved\": \"2024-02-19T14:20:24.186Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-04-17T10:27:45.960Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


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Tags
Taxonomy of the tags.





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.