#VU112788 Improper locking in Linux kernel - CVE-2025-38302

Vulnerability identifier: #VU112788

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-2025-38302

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 spin_unlock_irqrestore() function in block/blk-zoned.c. A local user can perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's repository.

Vulnerable software versions

Linux kernel: All versions

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External links
https://git.kernel.org/stable/c/0fccb6773b1f4f992e435582cf8e050de421b678
https://git.kernel.org/stable/c/6ffae5d53f704d300cc73b06b4ea99e4507f7cf1
https://git.kernel.org/stable/c/cf625013d8741c01407bbb4a60c111b61b9fa69d

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Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?