#VU105424 Resource management error in Linux kernel - CVE-2025-21829

Vulnerability identifier: #VU105424

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-2025-21829

CWE-ID: CWE-399

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 resource management error within the __rxe_cleanup() function in drivers/infiniband/sw/rxe/rxe_pool.c. A local user can perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel: All versions

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External links
https://git.kernel.org/stable/c/45e567800492088bc52c9abac35524b4d332a8f8
https://git.kernel.org/stable/c/720653309dd31c8a927ef5d87964578ad544980f
https://git.kernel.org/stable/c/7a2de8126ed3801f2396720e10a03cd546a3cea1
https://git.kernel.org/stable/c/a7d15eaecf0d6e13226db629ae2401c8c02683e5
https://git.kernel.org/stable/c/edc4ef0e0154096d6c0cf5e06af6fc330dbad9d1

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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.