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medium5.5

CVE-2024-35822

In the Linux kernel, the following vulnerability has been resolved: usb: udc: remove warning when queue disabled ep It is possible trigger below warning messag…

Impact

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().

Affected products

VendorProductAffected versions
LinuxLinux Kernel
before 4.19.312
from 4.20 before 5.4.274
from 5.5 before 5.10.215
from 5.11 before 5.15.154
from 5.16 before 6.1.84
from 6.2 before 6.6.24
DebianDebian Linux
Version 10.0

References