CVE-2024-53184

Status: ModifiedMedium (5.5)—

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

um: ubd: Do not use drvdata in release

The drvdata is not available in release. Let's just use container_of() to get the ubd instance. Otherwise, removing a ubd device will result in a crash:

Technical details traces, logs and code from the original report

RIP: 0033:blk_mq_free_tag_set+0x1f/0xba
RSP: 00000000e2083bf0  EFLAGS: 00010246
RAX: 000000006021463a RBX: 0000000000000348 RCX: 0000000062604d00
RDX: 0000000004208060 RSI: 00000000605241a0 RDI: 0000000000000348
RBP: 00000000e2083c10 R08: 0000000062414010 R09: 00000000601603f7
R10: 000000000000133a R11: 000000006038c4bd R12: 0000000000000000
R13: 0000000060213a5c R14: 0000000062405d20 R15: 00000000604f7aa0
Kernel panic - not syncing: Segfault with no mm
CPU: 0 PID: 17 Comm: kworker/0:1 Not tainted 6.8.0-rc3-00107-gba3f67c11638 #1
Workqueue: events mc_work_proc
Stack:
 00000000 604f7ef0 62c5d000 62405d20
 e2083c30 6002c776 6002c755 600e47ff
 e2083c60 6025ffe3 04208060 603d36e0
Call Trace:
 [<6002c776>] ubd_device_release+0x21/0x55
 [<6002c755>] ? ubd_device_release+0x0/0x55
 [<600e47ff>] ? kfree+0x0/0x100
 [<6025ffe3>] device_release+0x70/0xba
 [<60381d6a>] kobject_put+0xb5/0xe2
 [<6026027b>] put_device+0x19/0x1c
 [<6026a036>] platform_device_put+0x26/0x29
 [<6026ac5a>] platform_device_unregister+0x2c/0x2e
 [<6002c52e>] ubd_remove+0xb8/0xd6
 [<6002bb74>] ? mconsole_reply+0x0/0x50
 [<6002b926>] mconsole_remove+0x160/0x1cc
 [<6002bbbc>] ? mconsole_reply+0x48/0x50
 [<6003379c>] ? um_set_signals+0x3b/0x43
 [<60061c55>] ? update_min_vruntime+0x14/0x70
 [<6006251f>] ? dequeue_task_fair+0x164/0x235
 [<600620aa>] ? update_cfs_group+0x0/0x40
 [<603a0e77>] ? __schedule+0x0/0x3ed
 [<60033761>] ? um_set_signals+0x0/0x43
 [<6002af6a>] mc_work_proc+0x77/0x91
 [<600520b4>] process_scheduled_works+0x1af/0x2c3
 [<6004ede3>] ? assign_work+0x0/0x58
 [<600527a1>] worker_thread+0x2f7/0x37a
 [<6004ee3b>] ? set_pf_worker+0x0/0x64
 [<6005765d>] ? arch_local_irq_save+0x0/0x2d
 [<60058e07>] ? kthread_exit+0x0/0x3a
 [<600524aa>] ? worker_thread+0x0/0x37a
 [<60058f9f>] kthread+0x130/0x135
 [<6002068e>] new_thread_handler+0x85/0xb6

CVSS

Version: 3.1
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Base score: 5.5

Exploitation probability (EPSS)

Probability of exploitation in the next 30 days: 0.25%
Percentile among all scored CVEs: 15
Score date: 10/6/2026

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 (1)

Linux — Linux Kernel

CWEs

NVD-CWE-noinfo

References

Raw JSON (NVD)

Show

{
  "id": "CVE-2024-53184",
  "cveTags": [],
  "metrics": {
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        "source": "nvd@nist.gov",
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          "version": "3.1",
          "baseScore": 5.5,
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "NONE"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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    {
      "url": "https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  ],
  "vulnStatus": "Modified",
  "weaknesses": [
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      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\num: ubd: Do not use drvdata in release\n\nThe drvdata is not available in release. Let's just use container_of()\nto get the ubd instance. Otherwise, removing a ubd device will result\nin a crash:\n\nRIP: 0033:blk_mq_free_tag_set+0x1f/0xba\nRSP: 00000000e2083bf0  EFLAGS: 00010246\nRAX: 000000006021463a RBX: 0000000000000348 RCX: 0000000062604d00\nRDX: 0000000004208060 RSI: 00000000605241a0 RDI: 0000000000000348\nRBP: 00000000e2083c10 R08: 0000000062414010 R09: 00000000601603f7\nR10: 000000000000133a R11: 000000006038c4bd R12: 0000000000000000\nR13: 0000000060213a5c R14: 0000000062405d20 R15: 00000000604f7aa0\nKernel panic - not syncing: Segfault with no mm\nCPU: 0 PID: 17 Comm: kworker/0:1 Not tainted 6.8.0-rc3-00107-gba3f67c11638 #1\nWorkqueue: events mc_work_proc\nStack:\n 00000000 604f7ef0 62c5d000 62405d20\n e2083c30 6002c776 6002c755 600e47ff\n e2083c60 6025ffe3 04208060 603d36e0\nCall Trace:\n [<6002c776>] ubd_device_release+0x21/0x55\n [<6002c755>] ? ubd_device_release+0x0/0x55\n [<600e47ff>] ? kfree+0x0/0x100\n [<6025ffe3>] device_release+0x70/0xba\n [<60381d6a>] kobject_put+0xb5/0xe2\n [<6026027b>] put_device+0x19/0x1c\n [<6026a036>] platform_device_put+0x26/0x29\n [<6026ac5a>] platform_device_unregister+0x2c/0x2e\n [<6002c52e>] ubd_remove+0xb8/0xd6\n [<6002bb74>] ? mconsole_reply+0x0/0x50\n [<6002b926>] mconsole_remove+0x160/0x1cc\n [<6002bbbc>] ? mconsole_reply+0x48/0x50\n [<6003379c>] ? um_set_signals+0x3b/0x43\n [<60061c55>] ? update_min_vruntime+0x14/0x70\n [<6006251f>] ? dequeue_task_fair+0x164/0x235\n [<600620aa>] ? update_cfs_group+0x0/0x40\n [<603a0e77>] ? __schedule+0x0/0x3ed\n [<60033761>] ? um_set_signals+0x0/0x43\n [<6002af6a>] mc_work_proc+0x77/0x91\n [<600520b4>] process_scheduled_works+0x1af/0x2c3\n [<6004ede3>] ? assign_work+0x0/0x58\n [<600527a1>] worker_thread+0x2f7/0x37a\n [<6004ee3b>] ? set_pf_worker+0x0/0x64\n [<6005765d>] ? arch_local_irq_save+0x0/0x2d\n [<60058e07>] ? kthread_exit+0x0/0x3a\n [<600524aa>] ? worker_thread+0x0/0x37a\n [<60058f9f>] kthread+0x130/0x135\n [<6002068e>] new_thread_handler+0x85/0xb6"
    },
    {
      "lang": "es",
      "value": "En el núcleo de Linux, se ha resuelto la siguiente vulnerabilidad: um: ubd: No utilizar drvdata en la versión El archivo drvdata no está disponible en la versión. Simplemente usemos contenedor_of() para obtener la instancia ubd. De lo contrario, eliminar un dispositivo ubd provocará un bloqueo: RIP: 0033:blk_mq_free_tag_set+0x1f/0xba RSP: 00000000e2083bf0 EFLAGS: 00010246 RAX: 000000006021463a RBX: 0000000000000348 RCX: 0000000062604d00 RDX: 0000000004208060 RSI: 00000000605241a0 RDI: 0000000000000348 RBP: 00000000e2083c10 R08: 0000000062414010 R09: 00000000601603f7 R10: 000000000000133a R11: 000000006038c4bd R12: 0000000000000000 R13: 0000000060213a5c R14: 0000000062405d20 R15: 00000000604f7aa0 Pánico del núcleo: no se sincroniza: error de segmentación sin mm CPU: 0 PID: 17 Comm: kworker/0:1 No contaminado 6.8.0-rc3-00107-gba3f67c11638 #1 Cola de trabajo: eventos mc_work_proc Pila: 00000000 604f7ef0 Rastreo de llamadas: [&lt;6002c776&gt;] ubd_device_release+0x21/0x55 [&lt;6002c755&gt;] ? ubd_device_release+0x0/0x55 [&lt;600e47ff&gt;] ? mconsole_reply+0x0/0x50 [&lt;6002b926&gt;] mconsole_remove+0x160/0x1cc [&lt;6002bbbc&gt;] ? __schedule+0x0/0x3ed [&lt;60033761&gt;] ? um_set_signals+0x0/0x43 [&lt;6002af6a&gt;] mc_work_proc+0x77/0x91 [&lt;600520b4&gt;] proceso_trabajos_programados+0x1af/0x2c3 [&lt;6004ede3&gt;] ? asignar_trabajo+0x0/0x58 [&lt;600527a1&gt;] subproceso_trabajador+0x2f7/0x37a [&lt;6004ee3b&gt;] ? establecer_pf_trabajador+0x0/0x64 [&lt;6005765d&gt;] ? guardar_irq_local_arch+0x0/0x2d [&lt;60058e07&gt;] ? salir_kthread+0x0/0x3a [&lt;600524aa&gt;] ? subproceso_de_trabajo+0x0/0x37a [&lt;60058f9f&gt;] subproceso_de_trabajo+0x130/0x135 [&lt;6002068e&gt;] nuevo_controlador_de_subprocesos+0x85/0xb6"
    }
  ],
  "lastModified": "2026-06-17T08:08:31.193",
  "configurations": [
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      "nodes": [
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}