#VU109512 Out-of-bounds read in Linux kernel - CVE-2025-37975

Vulnerability identifier: #VU109512

Vulnerability risk: Low

CVSSv4.0: 4.3 [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-2025-37975

CWE-ID: CWE-125

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Linux kernel
Operating systems & Components / Operating system

Vendor: 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 apply_relocate_add() function in arch/riscv/kernel/module.c. A local user can perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel: 6.12, 6.12.1, 6.12.2, 6.12.3, 6.12.4, 6.12.5, 6.12.6, 6.12.7, 6.12.8, 6.12.9, 6.12.10, 6.12.11, 6.12.12, 6.12.13, 6.12.14, 6.12.15, 6.12.16, 6.12.17, 6.12.18, 6.12.19, 6.12.20, 6.12.21, 6.12.22, 6.12.23, 6.12.24

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External links
https://git.kernel.org/stable/c/0b4cce68efb93e31a8e51795d696df6e379cb41c
https://git.kernel.org/stable/c/95e4e1c1cf614d125f159db9726b7abb32e18385
https://git.kernel.org/stable/c/a068ea00009d373d825c528f9c168501519211b4
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.25

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.