#VU106956 Use-after-free in Linux kernel - CVE-2025-22004

Vulnerability identifier: #VU106956

Vulnerability risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2025-22004

CWE-ID: CWE-416

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 escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the lec_send() function in net/atm/lec.c. A local user can escalate privileges on the system.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel: 6.13 - 6.13.8

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External links
https://git.kernel.org/stable/c/326223182e4703cde99fdbd36d07d0b3de9980fb
https://git.kernel.org/stable/c/51e8be9578a2e74f9983d8fd8de8cafed191f30c
https://git.kernel.org/stable/c/9566f6ee13b17a15d0a47667ad1b1893c539f730
https://git.kernel.org/stable/c/f3009d0d6ab78053117f8857b921a8237f4d17b3
https://git.kernel.org/stable/c/f3271f7548385e0096739965961c7cbf7e6b4762
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.13.9

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Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?