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nvd416baaa9-dc9f-4396-8d5f-8c081fb06d67NVD:CVE-2024-35822
HistoryMay 17, 2024 - 2:15 p.m.

CVE-2024-35822

2024-05-1714:15:17
416baaa9-dc9f-4396-8d5f-8c081fb06d67
web.nvd.nist.gov
4
linux kernel
usb
udc
warning
fixed
cve-2024-35822

EPSS

0

Percentile

13.0%

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

usb: udc: remove warning when queue disabled ep

It is possible trigger below warning message from mass storage function,

WARNING: CPU: 6 PID: 3839 at drivers/usb/gadget/udc/core.c:294 usb_ep_queue+0x7c/0x104
pc : usb_ep_queue+0x7c/0x104
lr : fsg_main_thread+0x494/0x1b3c

Root cause is mass storage function try to queue request from main thread,
but other thread may already disable ep when function disable.

As there is no function failure in the driver, in order to avoid effort
to fix warning, change WARN_ON_ONCE() in usb_ep_queue() to pr_debug().