#VU94415 Use-after-free in Linux kernel - CVE-2022-48838
Published: July 17, 2024 / Updated: May 13, 2025
Vulnerability identifier: #VU94415
Vulnerability risk: Low
CVSSv4.0: 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-2022-48838
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
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 usb_gadget_remove_driver(), udc_bind_to_driver() and dev_err() functions in drivers/usb/gadget/udc/core.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
External links
- https://git.kernel.org/stable/c/4325124dde6726267813c736fee61226f1d38f0b
- https://git.kernel.org/stable/c/e2d3a7009e505e120805f449c832942660f3f7f3
- https://git.kernel.org/stable/c/609a7119bffe3ddd7c93f2fa65be8917e02a0b7e
- https://git.kernel.org/stable/c/2282a6eb6d4e118e294e43dcc421e0e0fe4040b5
- https://git.kernel.org/stable/c/00bdd9bf1ac6d401ad926d3d8df41b9f1399f646
- https://git.kernel.org/stable/c/2015c23610cd0efadaeca4d3a8d1dae9a45aa35a
- https://git.kernel.org/stable/c/27d64436984fb8835a8b7e95993193cc478b162e
- https://git.kernel.org/stable/c/16b1941eac2bd499f065a6739a40ce0011a3d740
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.273
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.236
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.308
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.108
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.31
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.17
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.187