CVE-2024-46680 (GCVE-0-2024-46680)

Vulnerability from cvelistv5 – Published: 2024-09-13 05:29 – Updated: 2025-05-04 09:31
VLAI?
Title
Bluetooth: btnxpuart: Fix random crash seen while removing driver
Summary
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btnxpuart: Fix random crash seen while removing driver This fixes the random kernel crash seen while removing the driver, when running the load/unload test over multiple iterations. 1) modprobe btnxpuart 2) hciconfig hci0 reset 3) hciconfig (check hci0 interface up with valid BD address) 4) modprobe -r btnxpuart Repeat steps 1 to 4 The ps_wakeup() call in btnxpuart_close() schedules the psdata->work(), which gets scheduled after module is removed, causing a kernel crash. This hidden issue got highlighted after enabling Power Save by default in 4183a7be7700 (Bluetooth: btnxpuart: Enable Power Save feature on startup) The new ps_cleanup() deasserts UART break immediately while closing serdev device, cancels any scheduled ps_work and destroys the ps_lock mutex. [ 85.884604] Unable to handle kernel paging request at virtual address ffffd4a61638f258 [ 85.884624] Mem abort info: [ 85.884625] ESR = 0x0000000086000007 [ 85.884628] EC = 0x21: IABT (current EL), IL = 32 bits [ 85.884633] SET = 0, FnV = 0 [ 85.884636] EA = 0, S1PTW = 0 [ 85.884638] FSC = 0x07: level 3 translation fault [ 85.884642] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000041dd0000 [ 85.884646] [ffffd4a61638f258] pgd=1000000095fff003, p4d=1000000095fff003, pud=100000004823d003, pmd=100000004823e003, pte=0000000000000000 [ 85.884662] Internal error: Oops: 0000000086000007 [#1] PREEMPT SMP [ 85.890932] Modules linked in: algif_hash algif_skcipher af_alg overlay fsl_jr_uio caam_jr caamkeyblob_desc caamhash_desc caamalg_desc crypto_engine authenc libdes crct10dif_ce polyval_ce polyval_generic snd_soc_imx_spdif snd_soc_imx_card snd_soc_ak5558 snd_soc_ak4458 caam secvio error snd_soc_fsl_spdif snd_soc_fsl_micfil snd_soc_fsl_sai snd_soc_fsl_utils gpio_ir_recv rc_core fuse [last unloaded: btnxpuart(O)] [ 85.927297] CPU: 1 PID: 67 Comm: kworker/1:3 Tainted: G O 6.1.36+g937b1be4345a #1 [ 85.936176] Hardware name: FSL i.MX8MM EVK board (DT) [ 85.936182] Workqueue: events 0xffffd4a61638f380 [ 85.936198] pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 85.952817] pc : 0xffffd4a61638f258 [ 85.952823] lr : 0xffffd4a61638f258 [ 85.952827] sp : ffff8000084fbd70 [ 85.952829] x29: ffff8000084fbd70 x28: 0000000000000000 x27: 0000000000000000 [ 85.963112] x26: ffffd4a69133f000 x25: ffff4bf1c8540990 x24: ffff4bf215b87305 [ 85.963119] x23: ffff4bf215b87300 x22: ffff4bf1c85409d0 x21: ffff4bf1c8540970 [ 85.977382] x20: 0000000000000000 x19: ffff4bf1c8540880 x18: 0000000000000000 [ 85.977391] x17: 0000000000000000 x16: 0000000000000133 x15: 0000ffffe2217090 [ 85.977399] x14: 0000000000000001 x13: 0000000000000133 x12: 0000000000000139 [ 85.977407] x11: 0000000000000001 x10: 0000000000000a60 x9 : ffff8000084fbc50 [ 85.977417] x8 : ffff4bf215b7d000 x7 : ffff4bf215b83b40 x6 : 00000000000003e8 [ 85.977424] x5 : 00000000410fd030 x4 : 0000000000000000 x3 : 0000000000000000 [ 85.977432] x2 : 0000000000000000 x1 : ffff4bf1c4265880 x0 : 0000000000000000 [ 85.977443] Call trace: [ 85.977446] 0xffffd4a61638f258 [ 85.977451] 0xffffd4a61638f3e8 [ 85.977455] process_one_work+0x1d4/0x330 [ 85.977464] worker_thread+0x6c/0x430 [ 85.977471] kthread+0x108/0x10c [ 85.977476] ret_from_fork+0x10/0x20 [ 85.977488] Code: bad PC value [ 85.977491] ---[ end trace 0000000000000000 ]--- Preset since v6.9.11
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 86d55f124b52de2ba0d066d89b766bcc0387fd72 , < 662a55986b88807da4d112d838c8aaa05810e938 (git)
Affected: 86d55f124b52de2ba0d066d89b766bcc0387fd72 , < 29a1d9971e38f92c84b363ff50379dd434ddfe1c (git)
Affected: 86d55f124b52de2ba0d066d89b766bcc0387fd72 , < 35237475384ab3622f63c3c09bdf6af6dacfe9c3 (git)
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    Linux Linux Affected: 6.4
Unaffected: 0 , < 6.4 (semver)
Unaffected: 6.6.49 , ≤ 6.6.* (semver)
Unaffected: 6.10.8 , ≤ 6.10.* (semver)
Unaffected: 6.11 , ≤ * (original_commit_for_fix)
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{
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            "other": {
              "content": {
                "id": "CVE-2024-46680",
                "options": [
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                    "Exploitation": "none"
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                    "Automatable": "no"
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                    "Technical Impact": "partial"
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                "role": "CISA Coordinator",
                "timestamp": "2024-09-29T15:09:48.767576Z",
                "version": "2.0.3"
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          "product": "Linux",
          "programFiles": [
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          "product": "Linux",
          "programFiles": [
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          "vendor": "Linux",
          "versions": [
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              "version": "6.4"
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              "versionType": "semver"
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              "lessThanOrEqual": "6.10.*",
              "status": "unaffected",
              "version": "6.10.8",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.11",
              "versionType": "original_commit_for_fix"
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      "cpeApplicability": [
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          "nodes": [
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                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.49",
                  "versionStartIncluding": "6.4",
                  "vulnerable": true
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              "operator": "OR"
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      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: btnxpuart: Fix random crash seen while removing driver\n\nThis fixes the random kernel crash seen while removing the driver, when\nrunning the load/unload test over multiple iterations.\n\n1) modprobe btnxpuart\n2) hciconfig hci0 reset\n3) hciconfig (check hci0 interface up with valid BD address)\n4) modprobe -r btnxpuart\nRepeat steps 1 to 4\n\nThe ps_wakeup() call in btnxpuart_close() schedules the psdata-\u003ework(),\nwhich gets scheduled after module is removed, causing a kernel crash.\n\nThis hidden issue got highlighted after enabling Power Save by default\nin 4183a7be7700 (Bluetooth: btnxpuart: Enable Power Save feature on\nstartup)\n\nThe new ps_cleanup() deasserts UART break immediately while closing\nserdev device, cancels any scheduled ps_work and destroys the ps_lock\nmutex.\n\n[   85.884604] Unable to handle kernel paging request at virtual address ffffd4a61638f258\n[   85.884624] Mem abort info:\n[   85.884625]   ESR = 0x0000000086000007\n[   85.884628]   EC = 0x21: IABT (current EL), IL = 32 bits\n[   85.884633]   SET = 0, FnV = 0\n[   85.884636]   EA = 0, S1PTW = 0\n[   85.884638]   FSC = 0x07: level 3 translation fault\n[   85.884642] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000041dd0000\n[   85.884646] [ffffd4a61638f258] pgd=1000000095fff003, p4d=1000000095fff003, pud=100000004823d003, pmd=100000004823e003, pte=0000000000000000\n[   85.884662] Internal error: Oops: 0000000086000007 [#1] PREEMPT SMP\n[   85.890932] Modules linked in: algif_hash algif_skcipher af_alg overlay fsl_jr_uio caam_jr caamkeyblob_desc caamhash_desc caamalg_desc crypto_engine authenc libdes crct10dif_ce polyval_ce polyval_generic snd_soc_imx_spdif snd_soc_imx_card snd_soc_ak5558 snd_soc_ak4458 caam secvio error snd_soc_fsl_spdif snd_soc_fsl_micfil snd_soc_fsl_sai snd_soc_fsl_utils gpio_ir_recv rc_core fuse [last unloaded: btnxpuart(O)]\n[   85.927297] CPU: 1 PID: 67 Comm: kworker/1:3 Tainted: G           O       6.1.36+g937b1be4345a #1\n[   85.936176] Hardware name: FSL i.MX8MM EVK board (DT)\n[   85.936182] Workqueue: events 0xffffd4a61638f380\n[   85.936198] pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)\n[   85.952817] pc : 0xffffd4a61638f258\n[   85.952823] lr : 0xffffd4a61638f258\n[   85.952827] sp : ffff8000084fbd70\n[   85.952829] x29: ffff8000084fbd70 x28: 0000000000000000 x27: 0000000000000000\n[   85.963112] x26: ffffd4a69133f000 x25: ffff4bf1c8540990 x24: ffff4bf215b87305\n[   85.963119] x23: ffff4bf215b87300 x22: ffff4bf1c85409d0 x21: ffff4bf1c8540970\n[   85.977382] x20: 0000000000000000 x19: ffff4bf1c8540880 x18: 0000000000000000\n[   85.977391] x17: 0000000000000000 x16: 0000000000000133 x15: 0000ffffe2217090\n[   85.977399] x14: 0000000000000001 x13: 0000000000000133 x12: 0000000000000139\n[   85.977407] x11: 0000000000000001 x10: 0000000000000a60 x9 : ffff8000084fbc50\n[   85.977417] x8 : ffff4bf215b7d000 x7 : ffff4bf215b83b40 x6 : 00000000000003e8\n[   85.977424] x5 : 00000000410fd030 x4 : 0000000000000000 x3 : 0000000000000000\n[   85.977432] x2 : 0000000000000000 x1 : ffff4bf1c4265880 x0 : 0000000000000000\n[   85.977443] Call trace:\n[   85.977446]  0xffffd4a61638f258\n[   85.977451]  0xffffd4a61638f3e8\n[   85.977455]  process_one_work+0x1d4/0x330\n[   85.977464]  worker_thread+0x6c/0x430\n[   85.977471]  kthread+0x108/0x10c\n[   85.977476]  ret_from_fork+0x10/0x20\n[   85.977488] Code: bad PC value\n[   85.977491] ---[ end trace 0000000000000000 ]---\n\nPreset since v6.9.11"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-05-04T09:31:45.393Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/662a55986b88807da4d112d838c8aaa05810e938"
        },
        {
          "url": "https://git.kernel.org/stable/c/29a1d9971e38f92c84b363ff50379dd434ddfe1c"
        },
        {
          "url": "https://git.kernel.org/stable/c/35237475384ab3622f63c3c09bdf6af6dacfe9c3"
        }
      ],
      "title": "Bluetooth: btnxpuart: Fix random crash seen while removing driver",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2024-46680",
    "datePublished": "2024-09-13T05:29:14.057Z",
    "dateReserved": "2024-09-11T15:12:18.248Z",
    "dateUpdated": "2025-05-04T09:31:45.393Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2024-46680\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-09-29T15:09:48.767576Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-09-29T15:09:52.821Z\"}}], \"cna\": {\"title\": \"Bluetooth: btnxpuart: Fix random crash seen while removing driver\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"86d55f124b52\", \"lessThan\": \"662a55986b88\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"86d55f124b52\", \"lessThan\": \"29a1d9971e38\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"86d55f124b52\", \"lessThan\": \"35237475384a\", \"versionType\": \"git\"}], \"programFiles\": [\"drivers/bluetooth/btnxpuart.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"6.4\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"6.4\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"6.6.49\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.6.*\"}, {\"status\": \"unaffected\", \"version\": \"6.10.8\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.10.*\"}, {\"status\": \"unaffected\", \"version\": \"6.11\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"drivers/bluetooth/btnxpuart.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/662a55986b88807da4d112d838c8aaa05810e938\"}, {\"url\": \"https://git.kernel.org/stable/c/29a1d9971e38f92c84b363ff50379dd434ddfe1c\"}, {\"url\": \"https://git.kernel.org/stable/c/35237475384ab3622f63c3c09bdf6af6dacfe9c3\"}], \"x_generator\": {\"engine\": \"bippy-9e1c9544281a\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nBluetooth: btnxpuart: Fix random crash seen while removing driver\\n\\nThis fixes the random kernel crash seen while removing the driver, when\\nrunning the load/unload test over multiple iterations.\\n\\n1) modprobe btnxpuart\\n2) hciconfig hci0 reset\\n3) hciconfig (check hci0 interface up with valid BD address)\\n4) modprobe -r btnxpuart\\nRepeat steps 1 to 4\\n\\nThe ps_wakeup() call in btnxpuart_close() schedules the psdata-\u003ework(),\\nwhich gets scheduled after module is removed, causing a kernel crash.\\n\\nThis hidden issue got highlighted after enabling Power Save by default\\nin 4183a7be7700 (Bluetooth: btnxpuart: Enable Power Save feature on\\nstartup)\\n\\nThe new ps_cleanup() deasserts UART break immediately while closing\\nserdev device, cancels any scheduled ps_work and destroys the ps_lock\\nmutex.\\n\\n[   85.884604] Unable to handle kernel paging request at virtual address ffffd4a61638f258\\n[   85.884624] Mem abort info:\\n[   85.884625]   ESR = 0x0000000086000007\\n[   85.884628]   EC = 0x21: IABT (current EL), IL = 32 bits\\n[   85.884633]   SET = 0, FnV = 0\\n[   85.884636]   EA = 0, S1PTW = 0\\n[   85.884638]   FSC = 0x07: level 3 translation fault\\n[   85.884642] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000041dd0000\\n[   85.884646] [ffffd4a61638f258] pgd=1000000095fff003, p4d=1000000095fff003, pud=100000004823d003, pmd=100000004823e003, pte=0000000000000000\\n[   85.884662] Internal error: Oops: 0000000086000007 [#1] PREEMPT SMP\\n[   85.890932] Modules linked in: algif_hash algif_skcipher af_alg overlay fsl_jr_uio caam_jr caamkeyblob_desc caamhash_desc caamalg_desc crypto_engine authenc libdes crct10dif_ce polyval_ce polyval_generic snd_soc_imx_spdif snd_soc_imx_card snd_soc_ak5558 snd_soc_ak4458 caam secvio error snd_soc_fsl_spdif snd_soc_fsl_micfil snd_soc_fsl_sai snd_soc_fsl_utils gpio_ir_recv rc_core fuse [last unloaded: btnxpuart(O)]\\n[   85.927297] CPU: 1 PID: 67 Comm: kworker/1:3 Tainted: G           O       6.1.36+g937b1be4345a #1\\n[   85.936176] Hardware name: FSL i.MX8MM EVK board (DT)\\n[   85.936182] Workqueue: events 0xffffd4a61638f380\\n[   85.936198] pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)\\n[   85.952817] pc : 0xffffd4a61638f258\\n[   85.952823] lr : 0xffffd4a61638f258\\n[   85.952827] sp : ffff8000084fbd70\\n[   85.952829] x29: ffff8000084fbd70 x28: 0000000000000000 x27: 0000000000000000\\n[   85.963112] x26: ffffd4a69133f000 x25: ffff4bf1c8540990 x24: ffff4bf215b87305\\n[   85.963119] x23: ffff4bf215b87300 x22: ffff4bf1c85409d0 x21: ffff4bf1c8540970\\n[   85.977382] x20: 0000000000000000 x19: ffff4bf1c8540880 x18: 0000000000000000\\n[   85.977391] x17: 0000000000000000 x16: 0000000000000133 x15: 0000ffffe2217090\\n[   85.977399] x14: 0000000000000001 x13: 0000000000000133 x12: 0000000000000139\\n[   85.977407] x11: 0000000000000001 x10: 0000000000000a60 x9 : ffff8000084fbc50\\n[   85.977417] x8 : ffff4bf215b7d000 x7 : ffff4bf215b83b40 x6 : 00000000000003e8\\n[   85.977424] x5 : 00000000410fd030 x4 : 0000000000000000 x3 : 0000000000000000\\n[   85.977432] x2 : 0000000000000000 x1 : ffff4bf1c4265880 x0 : 0000000000000000\\n[   85.977443] Call trace:\\n[   85.977446]  0xffffd4a61638f258\\n[   85.977451]  0xffffd4a61638f3e8\\n[   85.977455]  process_one_work+0x1d4/0x330\\n[   85.977464]  worker_thread+0x6c/0x430\\n[   85.977471]  kthread+0x108/0x10c\\n[   85.977476]  ret_from_fork+0x10/0x20\\n[   85.977488] Code: bad PC value\\n[   85.977491] ---[ end trace 0000000000000000 ]---\\n\\nPreset since v6.9.11\"}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2024-11-05T09:44:32.852Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-46680\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2024-11-05T09:44:32.852Z\", \"dateReserved\": \"2024-09-11T15:12:18.248Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-09-13T05:29:14.057Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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  • 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.