---
id: CVE-2022-50430
title: 'mmc: vub300: fix warning - do not call blocking ops when !TASK_RUNNING'
summary: |-
  In the Linux kernel, the following vulnerability has been resolved:

  mmc: vub300: fix warning - do not call blocking ops when !TASK_RUNNING

  vub300_enable_sdio_irq() works with mutex and need TASK_RUNNING here.
  Ensure that we mark curren…
severity: none
vendor: Linux
product: Linux
affected:
  - >-
    Linux >= 88095e7b473a3d9ec3b9c60429576e9cbd327c89 <
    32d5af247d4de6a35769ca1d027480a37c28fd0c
  - >-
    Linux >= 88095e7b473a3d9ec3b9c60429576e9cbd327c89 <
    48e91ae755f027d817ed7e51db9963ddb7081946
  - >-
    Linux >= 88095e7b473a3d9ec3b9c60429576e9cbd327c89 <
    6f7258c6f66692b3760c37ddd4bc9e02bb290da7
  - >-
    Linux >= 88095e7b473a3d9ec3b9c60429576e9cbd327c89 <
    f1c08947ab0538b07a0bd9d6edadfb5185f56344
  - >-
    Linux >= 88095e7b473a3d9ec3b9c60429576e9cbd327c89 <
    b51d5fed9f53e07ce9fc65efb4ff1abe021a4c16
  - >-
    Linux >= 88095e7b473a3d9ec3b9c60429576e9cbd327c89 <
    d58289fc77f8c1f879c818bddaf7ef524c73658b
  - >-
    Linux >= 88095e7b473a3d9ec3b9c60429576e9cbd327c89 <
    d15946ef98f4ccdca961b76f90d9b53c454d590e
  - >-
    Linux >= 88095e7b473a3d9ec3b9c60429576e9cbd327c89 <
    ba2e7d07dd06e646a72ba906a89fdc1cca7ea560
  - >-
    Linux >= 88095e7b473a3d9ec3b9c60429576e9cbd327c89 <
    4a44cd249604e29e7b90ae796d7692f5773dd348
  - Linux 3.0
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-11-05T20:10:47.385037Z'
published: '2025-10-01'
updated: '2026-11-05'
sourceUpdated: '2026-11-05T20:20:43.496Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2022-50430'
references:
  - url: 'https://git.kernel.org/stable/c/32d5af247d4de6a35769ca1d027480a37c28fd0c'
  - url: 'https://git.kernel.org/stable/c/48e91ae755f027d817ed7e51db9963ddb7081946'
  - url: 'https://git.kernel.org/stable/c/6f7258c6f66692b3760c37ddd4bc9e02bb290da7'
  - url: 'https://git.kernel.org/stable/c/f1c08947ab0538b07a0bd9d6edadfb5185f56344'
  - url: 'https://git.kernel.org/stable/c/b51d5fed9f53e07ce9fc65efb4ff1abe021a4c16'
  - url: 'https://git.kernel.org/stable/c/d58289fc77f8c1f879c818bddaf7ef524c73658b'
  - url: 'https://git.kernel.org/stable/c/d15946ef98f4ccdca961b76f90d9b53c454d590e'
  - url: 'https://git.kernel.org/stable/c/ba2e7d07dd06e646a72ba906a89fdc1cca7ea560'
  - url: 'https://git.kernel.org/stable/c/4a44cd249604e29e7b90ae796d7692f5773dd348'
tags:
  - cve.org
epss: 0.00163
epssPercentile: 0.0556
ingestedAt: '2026-11-05T22:38:31.734Z'
---

## Overview

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

mmc: vub300: fix warning - do not call blocking ops when !TASK_RUNNING

vub300_enable_sdio_irq() works with mutex and need TASK_RUNNING here.
Ensure that we mark current as TASK_RUNNING for sleepable context.

[   77.554641] do not call blocking ops when !TASK_RUNNING; state=1 set at [<ffffffff92a72c1d>] sdio_irq_thread+0x17d/0x5b0
[   77.554652] WARNING: CPU: 2 PID: 1983 at kernel/sched/core.c:9813 __might_sleep+0x116/0x160
[   77.554905] CPU: 2 PID: 1983 Comm: ksdioirqd/mmc1 Tainted: G           OE      6.1.0-rc5 #1
[   77.554910] Hardware name: Intel(R) Client Systems NUC8i7BEH/NUC8BEB, BIOS BECFL357.86A.0081.2020.0504.1834 05/04/2020
[   77.554912] RIP: 0010:__might_sleep+0x116/0x160
[   77.554920] RSP: 0018:ffff888107b7fdb8 EFLAGS: 00010282
[   77.554923] RAX: 0000000000000000 RBX: ffff888118c1b740 RCX: 0000000000000000
[   77.554926] RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffffed1020f6ffa9
[   77.554928] RBP: ffff888107b7fde0 R08: 0000000000000001 R09: ffffed1043ea60ba
[   77.554930] R10: ffff88821f5305cb R11: ffffed1043ea60b9 R12: ffffffff93aa3a60
[   77.554932] R13: 000000000000011b R14: 7fffffffffffffff R15: ffffffffc0558660
[   77.554934] FS:  0000000000000000(0000) GS:ffff88821f500000(0000) knlGS:0000000000000000
[   77.554937] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   77.554939] CR2: 00007f8a44010d68 CR3: 000000024421a003 CR4: 00000000003706e0
[   77.554942] Call Trace:
[   77.554944]  <TASK>
[   77.554952]  mutex_lock+0x78/0xf0
[   77.554973]  vub300_enable_sdio_irq+0x103/0x3c0 [vub300]
[   77.554981]  sdio_irq_thread+0x25c/0x5b0
[   77.555006]  kthread+0x2b8/0x370
[   77.555017]  ret_from_fork+0x1f/0x30
[   77.555023]  </TASK>
[   77.555025] ---[ end trace 0000000000000000 ]---

## Affected

- `Linux >= 88095e7b473a3d9ec3b9c60429576e9cbd327c89 < 32d5af247d4de6a35769ca1d027480a37c28fd0c`
- `Linux >= 88095e7b473a3d9ec3b9c60429576e9cbd327c89 < 48e91ae755f027d817ed7e51db9963ddb7081946`
- `Linux >= 88095e7b473a3d9ec3b9c60429576e9cbd327c89 < 6f7258c6f66692b3760c37ddd4bc9e02bb290da7`
- `Linux >= 88095e7b473a3d9ec3b9c60429576e9cbd327c89 < f1c08947ab0538b07a0bd9d6edadfb5185f56344`
- `Linux >= 88095e7b473a3d9ec3b9c60429576e9cbd327c89 < b51d5fed9f53e07ce9fc65efb4ff1abe021a4c16`
- `Linux >= 88095e7b473a3d9ec3b9c60429576e9cbd327c89 < d58289fc77f8c1f879c818bddaf7ef524c73658b`
- `Linux >= 88095e7b473a3d9ec3b9c60429576e9cbd327c89 < d15946ef98f4ccdca961b76f90d9b53c454d590e`
- `Linux >= 88095e7b473a3d9ec3b9c60429576e9cbd327c89 < ba2e7d07dd06e646a72ba906a89fdc1cca7ea560`
- `Linux >= 88095e7b473a3d9ec3b9c60429576e9cbd327c89 < 4a44cd249604e29e7b90ae796d7692f5773dd348`
- `Linux 3.0`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.