#VU102122 NULL pointer dereference in Linux kernel - CVE-2024-56670
Published: December 30, 2024 / Updated: May 11, 2025
Vulnerability identifier: #VU102122
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2024-56670
CWE-ID: CWE-476
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 perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the gs_start_io() function in drivers/usb/gadget/function/u_serial.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
External links
- https://git.kernel.org/stable/c/1247e1df086aa6c17ab53cd1bedce70dd7132765
- https://git.kernel.org/stable/c/28b3c03a6790de1f6f2683919ad657840f0f0f58
- https://git.kernel.org/stable/c/4cfbca86f6a8b801f3254e0e3c8f2b1d2d64be2b
- https://git.kernel.org/stable/c/4efdfdc32d8d6307f968cd99f1db64468471bab1
- https://git.kernel.org/stable/c/8ca07a3d18f39b1669927ef536e485787e856df6
- https://git.kernel.org/stable/c/c83213b6649d22656b3a4e92544ceeea8a2c6c07
- https://git.kernel.org/stable/c/dd6b0ca6025f64ccb465a6a3460c5b0307ed9c44
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.6