#VU112745 Use-after-free in Linux kernel - CVE-2025-38346

Vulnerability identifier: #VU112745

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-2025-38346

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 ftrace_release_mod() function in kernel/trace/ftrace.c. A local user can escalate privileges on the system.

Mitigation
Install update from vendor's repository.

Vulnerable software versions

Linux kernel: All versions

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External links
https://git.kernel.org/stable/c/03a162933c4a03b9f1a84f7d8482903c7e1e11bb
https://git.kernel.org/stable/c/6805582abb720681dd1c87ff677f155dcf4e86c9
https://git.kernel.org/stable/c/83a692a9792aa86249d68a8ac0b9d55ecdd255fa
https://git.kernel.org/stable/c/8690cd3258455bbae64f809e1d3ee0f043661c71
https://git.kernel.org/stable/c/8e89c17dc8970c5f71a3a991f5724d4c8de42d8c
https://git.kernel.org/stable/c/d064c68781c19f378af1ae741d9132d35d24b2bb
https://git.kernel.org/stable/c/f78a786ad9a5443a29eef4dae60cde85b7375129
https://git.kernel.org/stable/c/f914b52c379c12288b7623bb814d0508dbe7481d

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Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?