CVE-2022-50430

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

published October 1, 2025

CVSS
—
EPSS
0%
Percentile
5.2
In the wild
Unconfirmed
What it is

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 ]---

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00163 · 5.2th percentile
Published
2025-10-01T11:42Z
EPSS history
Timeline
  • 01 OCT 11:42Z
    mmc: vub300: fix warning - do not call blocking ops when !TASK_RUNNING
    cvelistv5