#VU112793 Improper locking in Linux kernel - CVE-2025-38293

Vulnerability identifier: #VU112793

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-2025-38293

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 ath11k_core_halt() function in drivers/net/wireless/ath/ath11k/core.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/31e98e277ae47f56632e4d663b1d4fd12ba33ea8
https://git.kernel.org/stable/c/6c139015b597e570dd5962934e9f9a2f4cc8ef48
https://git.kernel.org/stable/c/6d6cb27fe146061f2512e904618f5e005bb7bb6a
https://git.kernel.org/stable/c/b0974ed82e6ad5ff246fd90a5b14f3e7be4f2924
https://git.kernel.org/stable/c/f50ba7e7b607f2d00618799312e7fdb76a1ff48e
https://git.kernel.org/stable/c/f5d77d0d41ea7a204d47288d0cf0404a52b5890e
https://git.kernel.org/stable/c/f9507cf2dd0e1ed5028c0e8240da6fe5fd3110d3

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Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?