#VU106129 Resource management error in Linux kernel - CVE-2025-21890

Vulnerability identifier: #VU106129

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-2025-21890

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 idpf_rx_rsc() function in drivers/net/ethernet/intel/idpf/idpf_txrx.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/4279bbebe00ffdbfd1a77567961886e35465cbdc
https://git.kernel.org/stable/c/57e68f256911f3ab4b997141975561646ccbbb8c
https://git.kernel.org/stable/c/674fcb4f4a7e3e277417a01788cc6daae47c3804

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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.