CVE - CVE-2024-26934

CVE-ID
CVE-2024-26934	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
Description
In the Linux kernel, the following vulnerability has been resolved: USB: core: Fix deadlock in usb_deauthorize_interface() Among the attribute file callback routines in drivers/usb/core/sysfs.c, the interface_authorized_store() function is the only one which acquires a device lock on an ancestor device: It calls usb_deauthorize_interface(), which locks the interface's parent USB device. The will lead to deadlock if another process already owns that lock and tries to remove the interface, whether through a configuration change or because the device has been disconnected. As part of the removal procedure, device_del() waits for all ongoing sysfs attribute callbacks to complete. But usb_deauthorize_interface() can't complete until the device lock has been released, and the lock won't be released until the removal has finished. The mechanism provided by sysfs to prevent this kind of deadlock is to use the sysfs_break_active_protection() function, which tells sysfs not to wait for the attribute callback. Reported-and-tested by: Yue Sun <samsun1006219@gmail.com> Reported by: xingwei lee <xrivendell7@gmail.com>
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MISC:https://git.kernel.org/stable/c/07acf979da33c721357ff27129edf74c23c036c6 URL:https://git.kernel.org/stable/c/07acf979da33c721357ff27129edf74c23c036c6 MISC:https://git.kernel.org/stable/c/122a06f1068bf5e39089863f4f60b1f5d4273384 URL:https://git.kernel.org/stable/c/122a06f1068bf5e39089863f4f60b1f5d4273384 MISC:https://git.kernel.org/stable/c/12d6a5681a0a5cecc2af7860f0a1613fa7c6e947 URL:https://git.kernel.org/stable/c/12d6a5681a0a5cecc2af7860f0a1613fa7c6e947 MISC:https://git.kernel.org/stable/c/1b175bc579f46520b11ecda443bcd2ee4904f66a URL:https://git.kernel.org/stable/c/1b175bc579f46520b11ecda443bcd2ee4904f66a MISC:https://git.kernel.org/stable/c/80ba43e9f799cbdd83842fc27db667289b3150f5 URL:https://git.kernel.org/stable/c/80ba43e9f799cbdd83842fc27db667289b3150f5 MISC:https://git.kernel.org/stable/c/8cbdd324b41528994027128207fae8100dff094f URL:https://git.kernel.org/stable/c/8cbdd324b41528994027128207fae8100dff094f MISC:https://git.kernel.org/stable/c/ab062fa3dc69aea88fe62162c5881ba14b50ecc5 URL:https://git.kernel.org/stable/c/ab062fa3dc69aea88fe62162c5881ba14b50ecc5 MISC:https://git.kernel.org/stable/c/dbdf66250d2d33e8b27352fcb901de79f3521057 URL:https://git.kernel.org/stable/c/dbdf66250d2d33e8b27352fcb901de79f3521057 MISC:https://git.kernel.org/stable/c/e451709573f8be904a8a72d0775bf114d7c291d9 URL:https://git.kernel.org/stable/c/e451709573f8be904a8a72d0775bf114d7c291d9
Assigning CNA
kernel.org
Date Record Created
20240219	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20240219)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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