#VU104979 Out-of-bounds read in Linux kernel - CVE-2025-21743
Published: February 27, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU104979
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-2025-21743
CWE-ID: CWE-125
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 an out-of-bounds read error within the ipheth_rcvbulk_callback_ncm() function in drivers/net/usb/ipheth.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/18bf6f5cce3172cb303c3f0551aa9443d5ed74f8
- https://git.kernel.org/stable/c/c219427ed296f94bb4b91d08626776dc7719ee27
- https://git.kernel.org/stable/c/d677e7dd59ad6837496f5a02d8e5d39824278dfd
- https://git.kernel.org/stable/c/d824a964185910e317287f034c0a439c08b4fe49
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.13.3