#VU107668 Use-after-free in Linux kernel - CVE-2025-22085

Vulnerability identifier: #VU107668

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-2025-22085

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 ib_device_notify_register() function in drivers/infiniband/core/device.c. A local user can escalate privileges on the system.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel: 6.14, 6.14.1

---

External links
https://git.kernel.org/stable/c/0d6460b9d2a3ee380940bdf47680751ef91cb88e
https://git.kernel.org/stable/c/1d6a9e7449e2a0c1e2934eee7880ba8bd1e464cd
https://git.kernel.org/stable/c/56ec8580be5174b2b9774066e60f1aad56d201db
https://git.kernel.org/stable/c/edf6b543e81ba68c6dbac2499ab362098a5a9716
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.14.2

---

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.