Advisory Details

June 21st, 2024

Linux Kernel USB/IP VHCI Driver Race Condition Privilege Escalation Vulnerability

CVE ID
CVSS SCORE	7.1, AV:P/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
AFFECTED VENDORS	Linux
AFFECTED PRODUCTS	Kernel
VULNERABILITY DETAILS	This vulnerability allows physically present attackers to escalate privileges on affected installations of Linux Kernel. Authentication is not required to exploit this vulnerability. The specific flaw exists within the processing of the reset event. The issue results from the lack of proper locking when performing operations on an object. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of the kernel.
ADDITIONAL DETAILS	Linux has issued an update to correct this vulnerability. More details can be found at: https://lore.kernel.org/lkml/DM5PR0102MB3477B499A8A3292D6BFFBE80804C2@DM5PR0102MB3477.prod.exchangelabs.com/T/
DISCLOSURE TIMELINE	2023-10-03 - Vulnerability reported to vendor 2024-06-21 - Coordinated public release of advisory 2024-08-15 - Advisory Updated
CREDIT	Lucas Leong (@_wmliang_) of Trend Micro Zero Day Initiative

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