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

Vulnerability from cvelistv5 – Published: 2024-09-13 05:29 – Updated: 2026-05-11 20:34
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.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 86d55f124b52de2ba0d066d89b766bcc0387fd72 , < 662a55986b88807da4d112d838c8aaa05810e938 (git)
Affected: 86d55f124b52de2ba0d066d89b766bcc0387fd72 , < 29a1d9971e38f92c84b363ff50379dd434ddfe1c (git)
Affected: 86d55f124b52de2ba0d066d89b766bcc0387fd72 , < 35237475384ab3622f63c3c09bdf6af6dacfe9c3 (git)
Create a notification for this product.
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)
Create a notification for this product.
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                "id": "CVE-2024-46680",
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                "timestamp": "2024-09-29T15:09:48.767576Z",
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        "dateUpdated": "2026-05-11T20:34:19.470Z",
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          "url": "https://git.kernel.org/stable/c/35237475384ab3622f63c3c09bdf6af6dacfe9c3"
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      ],
      "title": "Bluetooth: btnxpuart: Fix random crash seen while removing driver",
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    "cveId": "CVE-2024-46680",
    "datePublished": "2024-09-13T05:29:14.057Z",
    "dateReserved": "2024-09-11T15:12:18.248Z",
    "dateUpdated": "2026-05-11T20:34:19.470Z",
    "state": "PUBLISHED"
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      "date": "2026-06-10",
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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\"}, {\"lang\": \"es\", \"value\": \"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: Bluetooth: btnxpuart: corrige un bloqueo aleatorio observado al eliminar el controlador Esto corrige el bloqueo aleatorio del kernel observado al eliminar el controlador, al ejecutar la prueba de carga/descarga en m\\u00faltiples iteraciones. 1) modprobe btnxpuart 2) hciconfig hci0 reset 3) hciconfig (verifique que la interfaz hci0 est\\u00e9 activa con una direcci\\u00f3n BD v\\u00e1lida) 4) modprobe -r btnxpuart Repita los pasos 1 a 4 La llamada ps_wakeup() en btnxpuart_close() programa psdata-\u0026gt;work(), que se programa despu\\u00e9s de que se elimina el m\\u00f3dulo, lo que provoca un bloqueo del kernel. Este problema oculto se destac\\u00f3 despu\\u00e9s de habilitar el Ahorro de energ\\u00eda de forma predeterminada en 4183a7be7700 (Bluetooth: btnxpuart: Habilitar la funci\\u00f3n Ahorro de energ\\u00eda al inicio). El nuevo ps_cleanup() anula la interrupci\\u00f3n de UART inmediatamente al cerrar el dispositivo serdev, cancela cualquier ps_work programado y destruye el mutex ps_lock. [ 85.884604] No se puede manejar la solicitud de paginaci\\u00f3n del n\\u00facleo en la direcci\\u00f3n virtual ffffd4a61638f258 [ 85.884624] Informaci\\u00f3n de aborto de memoria: [ 85.884625] ESR = 0x0000000086000007 [ 85.884628] EC = 0x21: IABT (EL actual), IL = 32 bits [ 85.884633] SET = 0, FnV = 0 [ 85.884636] EA = 0, S1PTW = 0 [ 85.884638] FSC = 0x07: error de traducci\\u00f3n de nivel 3 [ 85.884642] tabla de p\\u00e1ginas del intercambiador: 4k p\\u00e1ginas, VA de 48 bits, pgdp=0000000041dd0000 [ 85.884646] [ffffd4a61638f258] pgd=1000000095fff003, p4d=1000000095fff003, pud=100000004823d003, pmd=100000004823e003, pte=0000000000000000 [ 85.884662] Error interno: Oops: 0000000086000007 [#1] PREEMPT SMP [ 85.890932] M\\u00f3dulos vinculados en: algif_hash algif_skcipher af_alg superposici\\u00f3n 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 error de seguridad de caam snd_soc_fsl_spdif snd_soc_fsl_micfil snd_soc_fsl_sai snd_soc_fsl_utils gpio_ir_recv fusible rc_core [\\u00faltima descarga: btnxpuart(O)] [ 85.927297] CPU: 1 PID: 67 Comm: kworker/1:3 Contaminado: GO 6.1.36+g937b1be4345a #1 [ 85.936176] Nombre del hardware: Placa EVK FSL i.MX8MM (DT) [ 85.936182] Cola de trabajo: eventos 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] ffff4bf215b87300 x22: ffff4bf1c85409d0 x21: ffff4bf1c8540970 [ 85.977382] x20: 00000000000000000 x19: ffff4bf1c8540880 x18: 00000000000000 00 [ 85.977391] x17: 0000000000000000 x16: 00000000000000133 x15: 0000ffffe2217090 [ 85.977399] x14: 0000000000000001 x13: 0000000000000133 x12: 0000000000000139 [ 85.977407] x11: 000000000000001 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] Rastreo de llamadas: [ 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] C\\u00f3digo: valor de PC incorrecto [ 85.977491] ---[ fin de seguimiento 0000000000000000 ]--- Preestablecido desde v6.9.11\"}]",
      "id": "CVE-2024-46680",
      "lastModified": "2024-09-23T14:45:10.233",
      "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}]}",
      "published": "2024-09-13T06:15:12.617",
      "references": "[{\"url\": \"https://git.kernel.org/stable/c/29a1d9971e38f92c84b363ff50379dd434ddfe1c\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"tags\": [\"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/35237475384ab3622f63c3c09bdf6af6dacfe9c3\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"tags\": [\"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/662a55986b88807da4d112d838c8aaa05810e938\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"tags\": [\"Patch\"]}]",
      "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "vulnStatus": "Analyzed",
      "weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"NVD-CWE-noinfo\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2024-46680\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-09-13T06:15:12.617\",\"lastModified\":\"2024-09-23T14:45:10.233\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"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\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: Bluetooth: btnxpuart: corrige un bloqueo aleatorio observado al eliminar el controlador Esto corrige el bloqueo aleatorio del kernel observado al eliminar el controlador, al ejecutar la prueba de carga/descarga en m\u00faltiples iteraciones. 1) modprobe btnxpuart 2) hciconfig hci0 reset 3) hciconfig (verifique que la interfaz hci0 est\u00e9 activa con una direcci\u00f3n BD v\u00e1lida) 4) modprobe -r btnxpuart Repita los pasos 1 a 4 La llamada ps_wakeup() en btnxpuart_close() programa psdata-\u0026gt;work(), que se programa despu\u00e9s de que se elimina el m\u00f3dulo, lo que provoca un bloqueo del kernel. Este problema oculto se destac\u00f3 despu\u00e9s de habilitar el Ahorro de energ\u00eda de forma predeterminada en 4183a7be7700 (Bluetooth: btnxpuart: Habilitar la funci\u00f3n Ahorro de energ\u00eda al inicio). El nuevo ps_cleanup() anula la interrupci\u00f3n de UART inmediatamente al cerrar el dispositivo serdev, cancela cualquier ps_work programado y destruye el mutex ps_lock. [ 85.884604] No se puede manejar la solicitud de paginaci\u00f3n del n\u00facleo en la direcci\u00f3n virtual ffffd4a61638f258 [ 85.884624] Informaci\u00f3n de aborto de memoria: [ 85.884625] ESR = 0x0000000086000007 [ 85.884628] EC = 0x21: IABT (EL actual), IL = 32 bits [ 85.884633] SET = 0, FnV = 0 [ 85.884636] EA = 0, S1PTW = 0 [ 85.884638] FSC = 0x07: error de traducci\u00f3n de nivel 3 [ 85.884642] tabla de p\u00e1ginas del intercambiador: 4k p\u00e1ginas, VA de 48 bits, pgdp=0000000041dd0000 [ 85.884646] [ffffd4a61638f258] pgd=1000000095fff003, p4d=1000000095fff003, pud=100000004823d003, pmd=100000004823e003, pte=0000000000000000 [ 85.884662] Error interno: Oops: 0000000086000007 [#1] PREEMPT SMP [ 85.890932] M\u00f3dulos vinculados en: algif_hash algif_skcipher af_alg superposici\u00f3n 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 error de seguridad de caam snd_soc_fsl_spdif snd_soc_fsl_micfil snd_soc_fsl_sai snd_soc_fsl_utils gpio_ir_recv fusible rc_core [\u00faltima descarga: btnxpuart(O)] [ 85.927297] CPU: 1 PID: 67 Comm: kworker/1:3 Contaminado: GO 6.1.36+g937b1be4345a #1 [ 85.936176] Nombre del hardware: Placa EVK FSL i.MX8MM (DT) [ 85.936182] Cola de trabajo: eventos 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] ffff4bf215b87300 x22: ffff4bf1c85409d0 x21: ffff4bf1c8540970 [ 85.977382] x20: 00000000000000000 x19: ffff4bf1c8540880 x18: 00000000000000 00 [ 85.977391] x17: 0000000000000000 x16: 00000000000000133 x15: 0000ffffe2217090 [ 85.977399] x14: 0000000000000001 x13: 0000000000000133 x12: 0000000000000139 [ 85.977407] x11: 000000000000001 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] Rastreo de llamadas: [ 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] C\u00f3digo: valor de PC incorrecto [ 85.977491] ---[ fin de seguimiento 0000000000000000 ]--- Preestablecido desde v6.9.11\"}],\"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}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"NVD-CWE-noinfo\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.4\",\"versionEndExcluding\":\"6.6.49\",\"matchCriteriaId\":\"B61B0036-48C0-4123-AB2A-796471892EBE\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.7\",\"versionEndExcluding\":\"6.10.8\",\"matchCriteriaId\":\"1B5D46C3-56A4-4380-9309-27BF73DF29A7\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.11:rc1:*:*:*:*:*:*\",\"matchCriteriaId\":\"8B3CE743-2126-47A3-8B7C-822B502CF119\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.11:rc2:*:*:*:*:*:*\",\"matchCriteriaId\":\"4DEB27E7-30AA-45CC-8934-B89263EF3551\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.11:rc3:*:*:*:*:*:*\",\"matchCriteriaId\":\"E0005AEF-856E-47EB-BFE4-90C46899394D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.11:rc4:*:*:*:*:*:*\",\"matchCriteriaId\":\"39889A68-6D34-47A6-82FC-CD0BF23D6754\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.11:rc5:*:*:*:*:*:*\",\"matchCriteriaId\":\"B8383ABF-1457-401F-9B61-EE50F4C61F4F\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/29a1d9971e38f92c84b363ff50379dd434ddfe1c\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/35237475384ab3622f63c3c09bdf6af6dacfe9c3\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/662a55986b88807da4d112d838c8aaa05810e938\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}",
    "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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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.