cve-2021-47456
Vulnerability from cvelistv5
Published
2024-05-22 06:19
Modified
2024-11-04 12:06
Summary
can: peak_pci: peak_pci_remove(): fix UAF
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/0e5afdc2315b0737edcf55bede4ee1640d2d464d
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/1248582e47a9f7ce0ecd156c39fc61f8b6aa3699
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/1c616528ba4aeb1125a06b407572ab7b56acae38
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/28f28e4bc3a5e0051faa963f10b778ab38c1db69
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/34914971bb3244db4ce2be44e9438a9b30c56250
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/447d44cd2f67a20b596ede3ca3cd67086dfd9ca9
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/949fe9b35570361bc6ee2652f89a0561b26eec98
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/adbda14730aacce41c0d3596415aa39ad63eafd9
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/0e5afdc2315b0737edcf55bede4ee1640d2d464d
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/1248582e47a9f7ce0ecd156c39fc61f8b6aa3699
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/1c616528ba4aeb1125a06b407572ab7b56acae38
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/28f28e4bc3a5e0051faa963f10b778ab38c1db69
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/34914971bb3244db4ce2be44e9438a9b30c56250
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/447d44cd2f67a20b596ede3ca3cd67086dfd9ca9
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/949fe9b35570361bc6ee2652f89a0561b26eec98
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/adbda14730aacce41c0d3596415aa39ad63eafd9
Impacted products
Vendor Product Version
Linux Linux Version: 3.4
Show details on NVD website


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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncan: peak_pci: peak_pci_remove(): fix UAF\n\nWhen remove the module peek_pci, referencing \u0027chan\u0027 again after\nreleasing \u0027dev\u0027 will cause UAF.\n\nFix this by releasing \u0027dev\u0027 later.\n\nThe following log reveals it:\n\n[   35.961814 ] BUG: KASAN: use-after-free in peak_pci_remove+0x16f/0x270 [peak_pci]\n[   35.963414 ] Read of size 8 at addr ffff888136998ee8 by task modprobe/5537\n[   35.965513 ] Call Trace:\n[   35.965718 ]  dump_stack_lvl+0xa8/0xd1\n[   35.966028 ]  print_address_description+0x87/0x3b0\n[   35.966420 ]  kasan_report+0x172/0x1c0\n[   35.966725 ]  ? peak_pci_remove+0x16f/0x270 [peak_pci]\n[   35.967137 ]  ? trace_irq_enable_rcuidle+0x10/0x170\n[   35.967529 ]  ? peak_pci_remove+0x16f/0x270 [peak_pci]\n[   35.967945 ]  __asan_report_load8_noabort+0x14/0x20\n[   35.968346 ]  peak_pci_remove+0x16f/0x270 [peak_pci]\n[   35.968752 ]  pci_device_remove+0xa9/0x250"
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    "assignerShortName": "Linux",
    "cveId": "CVE-2021-47456",
    "datePublished": "2024-05-22T06:19:45.363Z",
    "dateReserved": "2024-05-21T14:58:30.833Z",
    "dateUpdated": "2024-11-04T12:06:17.867Z",
    "state": "PUBLISHED"
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  "dataVersion": "5.1",
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    "nvd": "{\"cve\":{\"id\":\"CVE-2021-47456\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-05-22T07:15:10.627\",\"lastModified\":\"2024-11-21T06:36:10.987\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\ncan: peak_pci: peak_pci_remove(): fix UAF\\n\\nWhen remove the module peek_pci, referencing \u0027chan\u0027 again after\\nreleasing \u0027dev\u0027 will cause UAF.\\n\\nFix this by releasing \u0027dev\u0027 later.\\n\\nThe following log reveals it:\\n\\n[   35.961814 ] BUG: KASAN: use-after-free in peak_pci_remove+0x16f/0x270 [peak_pci]\\n[   35.963414 ] Read of size 8 at addr ffff888136998ee8 by task modprobe/5537\\n[   35.965513 ] Call Trace:\\n[   35.965718 ]  dump_stack_lvl+0xa8/0xd1\\n[   35.966028 ]  print_address_description+0x87/0x3b0\\n[   35.966420 ]  kasan_report+0x172/0x1c0\\n[   35.966725 ]  ? peak_pci_remove+0x16f/0x270 [peak_pci]\\n[   35.967137 ]  ? trace_irq_enable_rcuidle+0x10/0x170\\n[   35.967529 ]  ? peak_pci_remove+0x16f/0x270 [peak_pci]\\n[   35.967945 ]  __asan_report_load8_noabort+0x14/0x20\\n[   35.968346 ]  peak_pci_remove+0x16f/0x270 [peak_pci]\\n[   35.968752 ]  pci_device_remove+0xa9/0x250\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: can: pico_pci: pico_pci_remove(): arreglar UAF Cuando se elimina el m\u00f3dulo peek_pci, hacer referencia a \u0027chan\u0027 nuevamente despu\u00e9s de liberar \u0027dev\u0027 causar\u00e1 UAF. Solucione este problema lanzando \u0027dev\u0027 m\u00e1s tarde. El siguiente registro lo revela: [35.961814] ERROR: KASAN: uso despu\u00e9s de liberar en pico_pci_remove+0x16f/0x270 [peak_pci] [35.963414] Lectura de tama\u00f1o 8 en addr ffff888136998ee8 por tarea modprobe/5537 [35.965513] Seguimiento de llamadas: [3 5.965718 ] dump_stack_lvl+0xa8/0xd1 [35.966028] print_address_description+0x87/0x3b0 [35.966420] kasan_report+0x172/0x1c0 [35.966725]? pico_pci_remove+0x16f/0x270 [pico_pci] [35.967137]? trace_irq_enable_rcuidle+0x10/0x170 [35.967529]? pico_pci_remove+0x16f/0x270 [pico_pci] [ 35.967945 ] __asan_report_load8_noabort+0x14/0x20 [ 35.968346 ] pico_pci_remove+0x16f/0x270 [pico_pci] [ 35.968752 ] ve+0xa9/0x250\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":8.4,\"baseSeverity\":\"HIGH\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":2.5,\"impactScore\":5.9}]},\"weaknesses\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-416\"},{\"lang\":\"en\",\"value\":\"CWE-467\"}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/0e5afdc2315b0737edcf55bede4ee1640d2d464d\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/1248582e47a9f7ce0ecd156c39fc61f8b6aa3699\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/1c616528ba4aeb1125a06b407572ab7b56acae38\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/28f28e4bc3a5e0051faa963f10b778ab38c1db69\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/34914971bb3244db4ce2be44e9438a9b30c56250\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/447d44cd2f67a20b596ede3ca3cd67086dfd9ca9\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/949fe9b35570361bc6ee2652f89a0561b26eec98\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/adbda14730aacce41c0d3596415aa39ad63eafd9\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/0e5afdc2315b0737edcf55bede4ee1640d2d464d\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://git.kernel.org/stable/c/1248582e47a9f7ce0ecd156c39fc61f8b6aa3699\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://git.kernel.org/stable/c/1c616528ba4aeb1125a06b407572ab7b56acae38\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://git.kernel.org/stable/c/28f28e4bc3a5e0051faa963f10b778ab38c1db69\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://git.kernel.org/stable/c/34914971bb3244db4ce2be44e9438a9b30c56250\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://git.kernel.org/stable/c/447d44cd2f67a20b596ede3ca3cd67086dfd9ca9\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://git.kernel.org/stable/c/949fe9b35570361bc6ee2652f89a0561b26eec98\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://git.kernel.org/stable/c/adbda14730aacce41c0d3596415aa39ad63eafd9\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"}]}}"
  }
}


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