Resource management error in Linux kernel - CVE-2025-23135

Vulnerability identifier: #VU107775

CSH Severity: Low

CVSS v4: 6.8 [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]

CVE-ID: CVE-2025-23135

CWE-ID: CWE-399

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to resource management error within the module_init() function in arch/riscv/kvm/main.c. A local user can perform a denial of service (DoS) attack.

Linux kernel
Ubuntu
linux (Ubuntu package)
linux-azure (Ubuntu package)
linux-aws (Ubuntu package)

Install update from vendor's website.

Linux kernel - addressed in versions 6.13.11, 6.14.2
linux (Ubuntu package) - addressed in versions 6.14.0-22.22, 6.14.0-1004.4, 6.14.0-1007.7, 6.14.0-1008.8
linux-azure (Ubuntu package) - update to 6.14.0-1007.7
linux-aws (Ubuntu package) - addressed in versions 6.14.0-1007.7, 6.14.0-1007.7+1

• https://git.kernel.org/stable/c/1521cc04f0b6e737ff30105aa57fa9dde8493231
• https://git.kernel.org/stable/c/1edb2de48616b11ee05e9a65d74c70abcb6d9939
• https://git.kernel.org/stable/c/2d117e67f318303f6ab699a5511d1fac3f170545
• https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.13.11
• https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.14.2

• Resource management error in Linux kernel riscv kvm
• Ubuntu update for linux
• Ubuntu update for linux-azure
• Ubuntu update for linux-aws