CVE-2022-50468

platform/chrome: cros_usbpd_notify: Fix error handling in cros_usbpd_notify_init()

MEDIUM

5.5

CVSS Score

Published: October 1, 2025 at 11:45 AM UTC

Updated: June 17, 2026 at 05:23 AM UTC

1 product affected across 1 vendorLinux Kernel

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Severity

MEDIUM5.5

Exploit prediction

EPSS 0.2%

Description

In the Linux kernel, the following vulnerability has been resolved: platform/chrome: cros_usbpd_notify: Fix error handling in cros_usbpd_notify_init() The following WARNING message was given when rmmod cros_usbpd_notify: Unexpected driver unregister! WARNING: CPU: 0 PID: 253 at drivers/base/driver.c:270 driver_unregister+0x8a/0xb0 Modules linked in: cros_usbpd_notify(-) CPU: 0 PID: 253 Comm: rmmod Not tainted 6.1.0-rc3 #24 ... Call Trace: <TASK> cros_usbpd_notify_exit+0x11/0x1e [cros_usbpd_notify] __x64_sys_delete_module+0x3c7/0x570 ? __ia32_sys_delete_module+0x570/0x570 ? lock_is_held_type+0xe3/0x140 ? syscall_enter_from_user_mode+0x17/0x50 ? rcu_read_lock_sched_held+0xa0/0xd0 ? syscall_enter_from_user_mode+0x1c/0x50 do_syscall_64+0x37/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f333fe9b1b7 The reason is that the cros_usbpd_notify_init() does not check the return value of platform_driver_register(), and the cros_usbpd_notify can install successfully even if platform_driver_register() failed. Fix by checking the return value of platform_driver_register() and unregister cros_usbpd_notify_plat_driver when it failed.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel · Linux

95%

5.11 ≤ v < 5.15.865.16 ≤ v < 6.0.165.7 ≤ v < 5.10.1635.7 ≤ v < 5.15.865.7 ≤ v < 6.0.165.7 ≤ v < 6.1.25.7 ≤ v < 6.26.1 ≤ v < 6.1.25.7ec2daf6e33f9f9113ba085b6ff88592907b6f1ce

Vendor states this is fixed in 5a2d96623670155d94aca72c320c0ac27bdc6bd2 (fixed)

Vendor states this is fixed in 5c0cacdd354987f8f5348d16908716f154047890 (fixed)

Vendor states this is fixed in 751f12696d797e785d2611099fe9f0569d47556e (fixed)

Vendor states this is fixed in 7b6ee54995739202b4a0cc01b7e9269f761c573d (fixed)

Vendor states this is fixed in cab345f9d51943898e406275f9607c145adb1877 (fixed)

Vendor states this is fixed in 5.10.163 (unaffected)

Vendor states this is fixed in 5.15.86 (unaffected)

Vendor states this is fixed in 5.7 (unaffected)

Vendor states this is fixed in 6.0.16 (unaffected)

Vendor states this is fixed in 6.1.2 (unaffected)

Vendor states this is fixed in 6.2 (unaffected)