#VU107747 Improper locking in Linux kernel - CVE-2025-22053

Vulnerability identifier: #VU107747

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-2025-22053

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 veth_pool_store() function in drivers/net/ethernet/ibm/ibmveth.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

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External links
https://git.kernel.org/stable/c/053f3ff67d7feefc75797863f3d84b47ad47086f
https://git.kernel.org/stable/c/0a2470e3ecde64fc7e3781dc474923193621ae67
https://git.kernel.org/stable/c/1e458c292f4c687dcf5aad32dd4836d03cd2191f
https://git.kernel.org/stable/c/86cc70f5c85dc09bf7f3e1eee380eefe73c90765
https://git.kernel.org/stable/c/8a88bb092f4208355880b9fdcc69d491aa297595
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.23

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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.