#VU103014 Out-of-bounds read in Linux kernel - CVE-2025-21647
Published: January 20, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU103014
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-2025-21647
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 cake_ddst(), cake_enqueue() and cake_dequeue() functions in net/sched/sch_cake.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/27202e2e8721c3b23831563c36ed5ac7818641ba
- https://git.kernel.org/stable/c/737d4d91d35b5f7fa5bb442651472277318b0bfd
- https://git.kernel.org/stable/c/91bb18950b88f955838ec0c1d97f74d135756dc7
- https://git.kernel.org/stable/c/a777e06dfc72bed73c05dcb437d7c27ad5f90f3f
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.125