Resource management error in Linux kernel - CVE-2025-22069

Vulnerability identifier: #VU107780

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-2025-22069

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 1SZREG() function in arch/riscv/kernel/mcount.S. A local user can perform a denial of service (DoS) attack.

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

Install update from vendor's website.

Linux kernel - update to 6.14.2
linux (Debian package) - update to 6.12.94-1
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/67a5ba8f742f247bc83e46dd2313c142b1383276
• https://git.kernel.org/stable/c/78b39c587b8f6c69140177108f9c08a75b1c7c37
• https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.14.2

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