Use-after-free in Linux kernel - CVE-2024-40927
Published: July 13, 2024 / Updated: May 13, 2025
Vulnerability identifier: #VU94220
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2024-40927
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the xhci_invalidate_cancelled_tds() and xhci_handle_cmd_set_deq() functions in drivers/usb/host/xhci-ring.c. A local user can escalate privileges on the system.
How to mitigate CVE-2024-40927
Install update from vendor's website.
Sources
- https://git.kernel.org/stable/c/26460c1afa311524f588e288a4941432f0de6228
- https://git.kernel.org/stable/c/633f72cb6124ecda97b641fbc119340bd88d51a9
- https://git.kernel.org/stable/c/949be4ec5835e0ccb3e2a8ab0e46179cb5512518
- https://git.kernel.org/stable/c/61593dc413c3655e4328a351555235bc3089486a
- https://git.kernel.org/stable/c/5ceac4402f5d975e5a01c806438eb4e554771577
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.162
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.95
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.35