#VU113244 Use-after-free in Linux kernel - CVE-2025-38377

Vulnerability identifier: #VU113244

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-2025-38377

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 rose_rt_device_down() function in net/rose/rose_route.c. A local user can escalate privileges on the system.

Mitigation
Install update from vendor's repository.

Vulnerable software versions

Linux kernel: All versions

---

External links
https://git.kernel.org/stable/c/2b952dbb32fef835756f07ff0cd77efbb836dfea
https://git.kernel.org/stable/c/2c6c82ee074bfcfd1bc978ec45bfea37703d840a
https://git.kernel.org/stable/c/34a500caf48c47d5171f4aa1f237da39b07c6157
https://git.kernel.org/stable/c/446ac00b86be1670838e513b643933d78837d8db
https://git.kernel.org/stable/c/7a1841c9609377e989ec41c16551309ce79c39e4
https://git.kernel.org/stable/c/94e0918e39039c47ddceb609500817f7266be756
https://git.kernel.org/stable/c/b6b232e16e08c6dc120672b4753392df0d28c1b4
https://git.kernel.org/stable/c/fe62a35fb1f77f494ed534fc69a9043dc5a30ce1

---

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?