CVE-2024-46746

Status: ModifiedHigh (7.8)—

In the Linux kernel, the following vulnerability has been resolved:

HID: amd_sfh: free driver_data after destroying hid device

HID driver callbacks aren't called anymore once hid_destroy_device() has been called. Hence, hid driver_data should be freed only after the hid_destroy_device() function returned as driver_data is used in several callbacks.

Technical details traces, logs and code from the original report

I observed a crash with kernel 6.10.0 on my T14s Gen 3, after enabling
KASAN to debug memory allocation, I got this output:

  [   13.050438] ==================================================================
  [   13.054060] BUG: KASAN: slab-use-after-free in amd_sfh_get_report+0x3ec/0x530 [amd_sfh]
  [   13.054809] psmouse serio1: trackpoint: Synaptics TrackPoint firmware: 0x02, buttons: 3/3
  [   13.056432] Read of size 8 at addr ffff88813152f408 by task (udev-worker)/479

  [   13.060970] CPU: 5 PID: 479 Comm: (udev-worker) Not tainted 6.10.0-arch1-2 #1 893bb55d7f0073f25c46adbb49eb3785fefd74b0
  [   13.063978] Hardware name: LENOVO 21CQCTO1WW/21CQCTO1WW, BIOS R22ET70W (1.40 ) 03/21/2024
  [   13.067860] Call Trace:
  [   13.069383] input: TPPS/2 Synaptics TrackPoint as /devices/platform/i8042/serio1/input/input8
  [   13.071486]  <TASK>
  [   13.071492]  dump_stack_lvl+0x5d/0x80
  [   13.074870] snd_hda_intel 0000:33:00.6: enabling device (0000 -> 0002)
  [   13.078296]  ? amd_sfh_get_report+0x3ec/0x530 [amd_sfh 05f43221435b5205f734cd9da29399130f398a38]
  [   13.082199]  print_report+0x174/0x505
  [   13.085776]  ? __pfx__raw_spin_lock_irqsave+0x10/0x10
  [   13.089367]  ? srso_alias_return_thunk+0x5/0xfbef5
  [   13.093255]  ? amd_sfh_get_report+0x3ec/0x530 [amd_sfh 05f43221435b5205f734cd9da29399130f398a38]
  [   13.097464]  kasan_report+0xc8/0x150
  [   13.101461]  ? amd_sfh_get_report+0x3ec/0x530 [amd_sfh 05f43221435b5205f734cd9da29399130f398a38]
  [   13.105802]  amd_sfh_get_report+0x3ec/0x530 [amd_sfh 05f43221435b5205f734cd9da29399130f398a38]
  [   13.110303]  amdtp_hid_request+0xb8/0x110 [amd_sfh 05f43221435b5205f734cd9da29399130f398a38]
  [   13.114879]  ? srso_alias_return_thunk+0x5/0xfbef5
  [   13.119450]  sensor_hub_get_feature+0x1d3/0x540 [hid_sensor_hub 3f13be3016ff415bea03008d45d99da837ee3082]
  [   13.124097]  hid_sensor_parse_common_attributes+0x4d0/0xad0 [hid_sensor_iio_common c3a5cbe93969c28b122609768bbe23efe52eb8f5]
  [   13.127404]  ? srso_alias_return_thunk+0x5/0xfbef5
  [   13.131925]  ? __pfx_hid_sensor_parse_common_attributes+0x10/0x10 [hid_sensor_iio_common c3a5cbe93969c28b122609768bbe23efe52eb8f5]
  [   13.136455]  ? _raw_spin_lock_irqsave+0x96/0xf0
  [   13.140197]  ? __pfx__raw_spin_lock_irqsave+0x10/0x10
  [   13.143602]  ? devm_iio_device_alloc+0x34/0x50 [industrialio 3d261d5e5765625d2b052be40e526d62b1d2123b]
  [   13.147234]  ? srso_alias_return_thunk+0x5/0xfbef5
  [   13.150446]  ? __devm_add_action+0x167/0x1d0
  [   13.155061]  hid_gyro_3d_probe+0x120/0x7f0 [hid_sensor_gyro_3d 63da36a143b775846ab2dbb86c343b401b5e3172]
  [   13.158581]  ? srso_alias_return_thunk+0x5/0xfbef5
  [   13.161814]  platform_probe+0xa2/0x150
  [   13.165029]  really_probe+0x1e3/0x8a0
  [   13.168243]  __driver_probe_device+0x18c/0x370
  [   13.171500]  driver_probe_device+0x4a/0x120
  [   13.175000]  __driver_attach+0x190/0x4a0
  [   13.178521]  ? __pfx___driver_attach+0x10/0x10
  [   13.181771]  bus_for_each_dev+0x106/0x180
  [   13.185033]  ? __pfx__raw_spin_lock+0x10/0x10
  [   13.188229]  ? __pfx_bus_for_each_dev+0x10/0x10
  [   13.191446]  ? srso_alias_return_thunk+0x5/0xfbef5
  [   13.194382]  bus_add_driver+0x29e/0x4d0
  [   13.197328]  driver_register+0x1a5/0x360
  [   13.200283]  ? __pfx_hid_gyro_3d_platform_driver_init+0x10/0x10 [hid_sensor_gyro_3d 63da36a143b775846ab2dbb86c343b401b5e3172]
  [   13.203362]  do_one_initcall+0xa7/0x380
  [   13.206432]  ? __pfx_do_one_initcall+0x10/0x10
  [   13.210175]  ? srso_alias_return_thunk+0x5/0xfbef5
  [   13.213211]  ? kasan_unpoison+0x44/0x70
  [   13.216688]  do_init_module+0x238/0x750
  [   13.2196
---truncated---

CVSS

Version: 3.1
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Base score: 7.8

Exploitation probability (EPSS)

Probability of exploitation in the next 30 days: 0.25%
Percentile among all scored CVEs: 15
Score date: 10/8/2026

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (2)

Debian — Debian Linux Linux — Linux Kernel

CWEs

CWE-416

References

Raw JSON (NVD)

Show

{
  "id": "CVE-2024-46746",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2024-46746",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2024-09-29T14:48:56.187128Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.8,
          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 1.8
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.8,
          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 1.8
      }
    ]
  },
  "affected": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "affectedData": [
        {
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "product": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "4f567b9f8141a86c7d878fadf136e5d1408e3e61",
              "lessThan": "86b4f5cf91ca03c08e3822ac89476a677a780bcc",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "4f567b9f8141a86c7d878fadf136e5d1408e3e61",
              "lessThan": "775125c7fe38533aaa4b20769f5b5e62cc1170a0",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "4f567b9f8141a86c7d878fadf136e5d1408e3e61",
              "lessThan": "60dc4ee0428d70bcbb41436b6729d29f1cbdfb89",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "4f567b9f8141a86c7d878fadf136e5d1408e3e61",
              "lessThan": "adb3e3c1ddb5a23b8b7122ef1913f528d728937c",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "4f567b9f8141a86c7d878fadf136e5d1408e3e61",
              "lessThan": "97155021ae17b86985121b33cf8098bcde00d497",
              "versionType": "git"
            }
          ],
          "programFiles": [
            "drivers/hid/amd-sfh-hid/amd_sfh_hid.c"
          ],
          "defaultStatus": "unaffected"
        },
        {
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "product": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.11"
            },
            {
              "status": "unaffected",
              "version": "0",
              "lessThan": "5.11",
              "versionType": "semver"
            },
            {
              "status": "unaffected",
              "version": "5.15.167",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "status": "unaffected",
              "version": "6.1.110",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "status": "unaffected",
              "version": "6.6.51",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "status": "unaffected",
              "version": "6.10.10",
              "versionType": "semver",
              "lessThanOrEqual": "6.10.*"
            },
            {
              "status": "unaffected",
              "version": "6.11",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ],
          "programFiles": [
            "drivers/hid/amd-sfh-hid/amd_sfh_hid.c"
          ],
          "defaultStatus": "affected"
        }
      ]
    }
  ],
  "published": "2024-09-18T08:15:03.730",
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/60dc4ee0428d70bcbb41436b6729d29f1cbdfb89",
      "tags": [
        "Patch"
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/775125c7fe38533aaa4b20769f5b5e62cc1170a0",
      "tags": [
        "Patch"
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/86b4f5cf91ca03c08e3822ac89476a677a780bcc",
      "tags": [
        "Patch"
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/97155021ae17b86985121b33cf8098bcde00d497",
      "tags": [
        "Patch"
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/adb3e3c1ddb5a23b8b7122ef1913f528d728937c",
      "tags": [
        "Patch"
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-416"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nHID: amd_sfh: free driver_data after destroying hid device\n\nHID driver callbacks aren't called anymore once hid_destroy_device() has\nbeen called. Hence, hid driver_data should be freed only after the\nhid_destroy_device() function returned as driver_data is used in several\ncallbacks.\n\nI observed a crash with kernel 6.10.0 on my T14s Gen 3, after enabling\nKASAN to debug memory allocation, I got this output:\n\n  [   13.050438] ==================================================================\n  [   13.054060] BUG: KASAN: slab-use-after-free in amd_sfh_get_report+0x3ec/0x530 [amd_sfh]\n  [   13.054809] psmouse serio1: trackpoint: Synaptics TrackPoint firmware: 0x02, buttons: 3/3\n  [   13.056432] Read of size 8 at addr ffff88813152f408 by task (udev-worker)/479\n\n  [   13.060970] CPU: 5 PID: 479 Comm: (udev-worker) Not tainted 6.10.0-arch1-2 #1 893bb55d7f0073f25c46adbb49eb3785fefd74b0\n  [   13.063978] Hardware name: LENOVO 21CQCTO1WW/21CQCTO1WW, BIOS R22ET70W (1.40 ) 03/21/2024\n  [   13.067860] Call Trace:\n  [   13.069383] input: TPPS/2 Synaptics TrackPoint as /devices/platform/i8042/serio1/input/input8\n  [   13.071486]  <TASK>\n  [   13.071492]  dump_stack_lvl+0x5d/0x80\n  [   13.074870] snd_hda_intel 0000:33:00.6: enabling device (0000 -> 0002)\n  [   13.078296]  ? amd_sfh_get_report+0x3ec/0x530 [amd_sfh 05f43221435b5205f734cd9da29399130f398a38]\n  [   13.082199]  print_report+0x174/0x505\n  [   13.085776]  ? __pfx__raw_spin_lock_irqsave+0x10/0x10\n  [   13.089367]  ? srso_alias_return_thunk+0x5/0xfbef5\n  [   13.093255]  ? amd_sfh_get_report+0x3ec/0x530 [amd_sfh 05f43221435b5205f734cd9da29399130f398a38]\n  [   13.097464]  kasan_report+0xc8/0x150\n  [   13.101461]  ? amd_sfh_get_report+0x3ec/0x530 [amd_sfh 05f43221435b5205f734cd9da29399130f398a38]\n  [   13.105802]  amd_sfh_get_report+0x3ec/0x530 [amd_sfh 05f43221435b5205f734cd9da29399130f398a38]\n  [   13.110303]  amdtp_hid_request+0xb8/0x110 [amd_sfh 05f43221435b5205f734cd9da29399130f398a38]\n  [   13.114879]  ? srso_alias_return_thunk+0x5/0xfbef5\n  [   13.119450]  sensor_hub_get_feature+0x1d3/0x540 [hid_sensor_hub 3f13be3016ff415bea03008d45d99da837ee3082]\n  [   13.124097]  hid_sensor_parse_common_attributes+0x4d0/0xad0 [hid_sensor_iio_common c3a5cbe93969c28b122609768bbe23efe52eb8f5]\n  [   13.127404]  ? srso_alias_return_thunk+0x5/0xfbef5\n  [   13.131925]  ? __pfx_hid_sensor_parse_common_attributes+0x10/0x10 [hid_sensor_iio_common c3a5cbe93969c28b122609768bbe23efe52eb8f5]\n  [   13.136455]  ? _raw_spin_lock_irqsave+0x96/0xf0\n  [   13.140197]  ? __pfx__raw_spin_lock_irqsave+0x10/0x10\n  [   13.143602]  ? devm_iio_device_alloc+0x34/0x50 [industrialio 3d261d5e5765625d2b052be40e526d62b1d2123b]\n  [   13.147234]  ? srso_alias_return_thunk+0x5/0xfbef5\n  [   13.150446]  ? __devm_add_action+0x167/0x1d0\n  [   13.155061]  hid_gyro_3d_probe+0x120/0x7f0 [hid_sensor_gyro_3d 63da36a143b775846ab2dbb86c343b401b5e3172]\n  [   13.158581]  ? srso_alias_return_thunk+0x5/0xfbef5\n  [   13.161814]  platform_probe+0xa2/0x150\n  [   13.165029]  really_probe+0x1e3/0x8a0\n  [   13.168243]  __driver_probe_device+0x18c/0x370\n  [   13.171500]  driver_probe_device+0x4a/0x120\n  [   13.175000]  __driver_attach+0x190/0x4a0\n  [   13.178521]  ? __pfx___driver_attach+0x10/0x10\n  [   13.181771]  bus_for_each_dev+0x106/0x180\n  [   13.185033]  ? __pfx__raw_spin_lock+0x10/0x10\n  [   13.188229]  ? __pfx_bus_for_each_dev+0x10/0x10\n  [   13.191446]  ? srso_alias_return_thunk+0x5/0xfbef5\n  [   13.194382]  bus_add_driver+0x29e/0x4d0\n  [   13.197328]  driver_register+0x1a5/0x360\n  [   13.200283]  ? __pfx_hid_gyro_3d_platform_driver_init+0x10/0x10 [hid_sensor_gyro_3d 63da36a143b775846ab2dbb86c343b401b5e3172]\n  [   13.203362]  do_one_initcall+0xa7/0x380\n  [   13.206432]  ? __pfx_do_one_initcall+0x10/0x10\n  [   13.210175]  ? srso_alias_return_thunk+0x5/0xfbef5\n  [   13.213211]  ? kasan_unpoison+0x44/0x70\n  [   13.216688]  do_init_module+0x238/0x750\n  [   13.2196\n---truncated---"
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: HID: amd_sfh: liberar driver_data después de destruir el dispositivo HID Las devoluciones de llamadas del controlador HID ya no se invocan una vez que se ha invocado hid_destroy_device(). Por lo tanto, hid driver_data debería liberarse solo después de que la función hid_destroy_device() devuelta como driver_data se use en varias devoluciones de llamadas. Observé un fallo con el kernel 6.10.0 en mi T14s Gen 3, después de habilitar KASAN para depurar la asignación de memoria, obtuve este resultado: [ 13.050438] ======================================================================= [ 13.054060] ERROR: KASAN: slab-use-after-free en amd_sfh_get_report+0x3ec/0x530 [amd_sfh] [ 13.054809] psmouse serio1: trackpoint: firmware Synaptics TrackPoint: 0x02, botones: 3/3 [ 13.056432] Lectura de tamaño 8 en addr ffff88813152f408 por tarea (udev-worker)/479 [ 13.060970] CPU: 5 PID: 479 Comm: (udev-worker) No contaminado 6.10.0-arch1-2 #1 893bb55d7f0073f25c46adbb49eb3785fefd74b0 [ 13.063978] Nombre del hardware: LENOVO 21CQCTO1WW/21CQCTO1WW, BIOS R22ET70W (1.40 ) 21/03/2024 [ 13.067860] Seguimiento de llamadas: [ 13.069383] entrada: TPPS/2 Synaptics TrackPoint como /devices/platform/i8042/serio1/input/input8 [ [13.071486]  [13.071492] dump_stack_lvl+0x5d/0x80 [13.074870] snd_hda_intel 0000:33:00.6: habilitando dispositivo (0000 -&gt; 0002) [13.078296] ? amd_sfh_get_report+0x3ec/0x530 [amd_sfh 05f43221435b5205f734cd9da29399130f398a38] [13.082199] print_report+0x174/0x505 [13.085776] ? __pfx__raw_spin_lock_irqsave+0x10/0x10 [ 13.089367] ? srso_alias_return_thunk+0x5/0xfbef5 [ 13.093255] ? amd_sfh_get_report+0x3ec/0x530 [amd_sfh 05f43221435b5205f734cd9da29399130f398a38] [ 13.097464] kasan_report+0xc8/0x150 [ 13.101461] ? es: amd_sfh_get_report+0x3ec/0x530 [amd_sfh 05f43221435b5205f734cd9da29399130f398a38] [ 13.105802] amd_sfh_get_report+0x3ec/0x530 [amd_sfh 05f43221435b5205f734cd9da29399130f398a38] [ 13.110303] amdtp_hid_request+0xb8/0x110 [amd_sfh 05f43221435b5205f734cd9da29399130f398a38] [ 13.114879] ? srso_alias_return_thunk+0x5/0xfbef5 [ 13.119450] sensor_hub_get_feature+0x1d3/0x540 [hid_sensor_hub 3f13be3016ff415bea03008d45d99da837ee3082] [ 13.124097] hid_sensor_parse_common_attributes+0x4d0/0xad0 [hid_sensor_iio_common c3a5cbe93969c28b122609768bbe23efe52eb8f5] [ 13.127404] ? __pfx__raw_spin_lock_irqsave+0x10/0x10 [13.143602] ? __devm_add_action+0x167/0x1d0 [13.155061] hid_gyro_3d_probe+0x120/0x7f0 [hid_sensor_gyro_3d 63da36a143b775846ab2dbb86c343b401b5e3172] [13.158581] ? __driver_probe_device+0x18c/0x370 [ 13.171500] driver_probe_device+0x4a/0x120 [ 13.175000] __driver_attach+0x190/0x4a0 [ 13.178521] ? __pfx___driver_attach+0x10/0x10 [ 13.181771] bus_para_cada_dispositivo+0x106/0x180 [ 13.185033] ? __pfx__raw_spin_lock+0x10/0x10 [ 13.188229] ? __pfx_bus_para_cada_dispositivo+0x10/0x10 [ 13.191446] ? srso_alias_return_thunk+0x5/0xfbef5 [ 13.194382] bus_add_driver+0x29e/0x4d0 [ 13.197328] driver_register+0x1a5/0x360 [ 13.200283] ? __pfx_hid_gyro_3d_platform_driver_init+0x10/0x10 [hid_sensor_gyro_3d 63da36a143b775846ab2dbb86c343b401b5e3172] [ 13.203362] hacer_una_initcall+0xa7/0x380 [ 13.206432] ? __pfx_do_one_initcall+0x10/0x10 [ 13.210175] ? srso_alias_return_thunk+0x5/0xfbef5 [ 13.213211] ? kasan_unpoison+0x44/0x70 [ 13.216688] do_init_module+0x238/0x750 [ 13.2196 ---truncado---"
    }
  ],
  "lastModified": "2026-08-04T11:20:21.237",
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