#VU112243 Double free in Linux kernel - CVE-2025-38102

Vulnerability identifier: #VU112243

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-2025-38102

CWE-ID: CWE-415

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 a double free error within the drv_cp_harray_to_user() and vmci_host_setup_notify() functions in drivers/misc/vmw_vmci/vmci_host.c. A local user can perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's repository.

Vulnerable software versions

Linux kernel: All versions

---

External links
https://git.kernel.org/stable/c/00ddc7dad55b7bbb78df80d6e174d0c4764dea0c
https://git.kernel.org/stable/c/1bd6406fb5f36c2bb1e96e27d4c3e9f4d09edde4
https://git.kernel.org/stable/c/58a90db70aa6616411e5f69d1982d9b1dd97d774
https://git.kernel.org/stable/c/6e3af836805ed1d7a699f76ec798626198917aa4
https://git.kernel.org/stable/c/75b5313c80c39a26d27cbb602f968a05576c36f9
https://git.kernel.org/stable/c/b4209e4b778e4e57d0636e1c9fc07a924dbc6043

---

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?