Use of uninitialized resource in Linux kernel - CVE-2025-37996
Published: May 29, 2025
Vulnerability identifier: #VU109957
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-2025-37996
CWE-ID: CWE-908
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to use of uninitialized resource within the user_mem_abort() function in arch/arm64/kvm/mmu.c. A local user can perform a denial of service (DoS) attack.
Affected software
Linux kernel
Ubuntu
linux (Ubuntu package)
linux-hwe-6.14 (Ubuntu package)
Ubuntu
linux (Ubuntu package)
linux-hwe-6.14 (Ubuntu package)
How to mitigate CVE-2025-37996
Install update from vendor's website.
linux (Ubuntu package) - addressed in versions 6.14.0-28.28, 6.14.0-1010.10~24.04.1, 6.14.0-1011.11, 6.14.0-1011.11~24.04.1, 6.14.0-1012.12~24.04.1, 6.14.0-1014.15, 6.14.0-1014.15~24.04.1
linux-hwe-6.14 (Ubuntu package) - addressed in versions 6.14.0-28.28~24.04.1, 6.14.0-1010.10
linux-hwe-6.14 (Ubuntu package) - addressed in versions 6.14.0-28.28~24.04.1, 6.14.0-1010.10