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CVE-2024-35822

Disclosure Date: May 17, 2024 •
CVE-2024-35822
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Description

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().

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CVSS V3 Severity and Metrics
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Impact Score:
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Attack Vector (AV):
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General Information

Offensive Application
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Utility Class
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Ports
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OS
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Vulnerable Versions
Linux 2b002c308e18
Linux not down converted
Prerequisites
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Metasploit Module
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Vendors

  • Linux

Products

  • Linux
Technical Analysis