#VU108322 Improper locking in Linux kernel - CVE-2025-37745

Vulnerability identifier: #VU108322

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-2025-37745

CWE-ID: CWE-667

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 improper locking within the hibernate_compressor_param_set() function in kernel/power/hibernate.c. A local user can perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel: 6.13, 6.13.1, 6.13.2, 6.13.3, 6.13.4, 6.13.5, 6.13.6, 6.13.7, 6.13.8, 6.13.9, 6.13.10, 6.13.11

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External links
https://git.kernel.org/stable/c/11ae4fec1f4b4ee06770a572c37d89cbaecbf66e
https://git.kernel.org/stable/c/3b2c3806ef4253595dfcb8b58352cfab55c9bfb0
https://git.kernel.org/stable/c/52323ed1444ea5c2a5f1754ea0a2d9c8c216ccdf
https://git.kernel.org/stable/c/6dbaa8583af74814a5aae03a337cb1722c414808
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.13.12

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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.