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🛡️ CVE-2024-57913 — kernel

🟡 CVSS 4.7 — Medium ✅ No Known Exploit NVD
4.7
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

usb: gadget: f_fs: Remove WARN_ON in functionfs_bind

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

usb: gadget: f_fs: Remove WARN_ON in functionfs_bind

This commit addresses an issue related to below kernel panic where

panic_on_warn is enabled. It is caused by the unnecessary use of WARN_ON

in functionsfs_bind, which easily leads to the following scenarios.

1.adb_write in adbd 2. UDC write via configfs

================= =====================

->usb_ffs_open_thread() ->UDC write

->open_functionfs() ->configfs_write_iter()

->adb_open() ->gadget_dev_desc_UDC_store()

->adb_write() ->usb_gadget_register_driver_owner

->driver_register()

->StartMonitor() ->bus_add_driver()

->adb_read() ->gadget_bind_driver()

<times-out without BIND event> ->configfs_composite_bind()

->usb_add_function()

->open_functionfs() ->ffs_func_bind()

->adb_open() ->functionfs_bind()

<ffs->state !=FFS_ACTIVE>

The adb_open, adb_read, and adb_write operations are invoked from the

daemon, but trying to bind the function is a process that is invoked by

UDC write through configfs, which opens up the possibility of a race

condition between the two paths. In this race scenario, the kernel panic

occurs due to the WARN_ON from functionfs_bind when panic_on_warn is

enabled. This commit fixes the kernel panic by removing the unnecessary

WARN_ON.

Kernel panic - not syncing: kernel: panic_on_warn set ...

[ 14.542395] Call trace:

[ 14.542464] ffs_func_bind+0x1c8/0x14a8

[ 14.542468] usb_add_function+0xcc/0x1f0

[ 14.542473] configfs_composite_bind+0x468/0x588

[ 14.542478] gadget_bind_driver+0x108/0x27c

[ 14.542483] really_probe+0x190/0x374

[ 14.542488] __driver_probe_device+0xa0/0x12c

[ 14.542492] driver_probe_device+0x3c/0x220

[ 14.542498] __driver_attach+0x11c/0x1fc

[ 14.542502] bus_for_each_dev+0x104/0x160

[ 14.542506] driver_attach+0x24/0x34

[ 14.542510] bus_add_driver+0x154/0x270

[ 14.542514] driver_register+0x68/0x104

[ 14.542518] usb_gadget_register_driver_owner+0x48/0xf4

[ 14.542523] gadget_dev_desc_UDC_store+0xf8/0x144

[ 14.542526] configfs_write_iter+0xf0/0x138

How this vulnerability can be exploited

This issue can be reached with local access to the system, attack complexity is high, an attacker needs low-level privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity none, availability high.

CVSS metrics in full

The score comes from this vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

  • Attack vector: Local — a local account, shell or session on the host is needed.
  • Attack complexity: High — the attacker first has to win a race, learn a secret or otherwise prepare the target.
  • Privileges required: Low — an ordinary user account is enough.
  • User interaction: None — nobody has to be tricked into anything.
  • Scope: Unchanged — the damage stays inside the vulnerable component.
  • Confidentiality impact: None.
  • Integrity impact: None.
  • Availability impact: High — total loss, or loss the attacker controls.

Affected software

CVE-2024-57913 is recorded against 2 packages.

  • kernel (from 6.7.0 up to 6.12.10)
  • linux-kernel

Timeline and source

Published on 19 January 2025 and last revised on 12 August 2026. No public exploit is currently recorded for this entry. A vendor advisory or fix has been published. Record sourced from NVD.

References

cert-portal.siemens.com (Web)
git.kernel.org (Web)
git.kernel.org (Web)
git.kernel.org (Web)
git.kernel.org (Web)
git.kernel.org (Web)
git.kernel.org (Web)
git.kernel.org (Web)
lists.debian.org (Web)
lists.debian.org (Web)
github.com (Advisory)
nvd.nist.gov (Advisory)
git.kernel.org (Package)

Other advisories for this package

kernel has other advisories on record. If you are patching this one, these are worth checking on the same host:

CVE-2024-57913 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

Details

Severity Medium
CVSS Score 4.7
CVSS Vector CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE N/A
Public Exploit ✅ No
Source NVD
Published 2025-01-19
Updated 2026-08-20
Modified 2026-08-12

Affected Packages

Software From version Fixed in
kernel 6.7.0 6.12.10
linux-kernel — —

References

Similar Threats

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