#VU107658 Use-after-free in Linux kernel - CVE-2025-38575
Published: April 22, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU107658
Vulnerability risk: Low
CVSSv4.0: 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-2025-38575
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
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 kfree() function in fs/smb/server/auth.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
External links
- https://git.kernel.org/stable/c/1de7fec4d3012672e31eeb6679ea60f7ca010ef9
- https://git.kernel.org/stable/c/3e341dbd5f5a6e5a558e67da80731dc38a7f758c
- https://git.kernel.org/stable/c/46caeae23035192b9cc41872c827f30d0233f16e
- https://git.kernel.org/stable/c/571b342d4688801fc1f6a1934389dac09425dc93
- https://git.kernel.org/stable/c/6171063e9d046ffa46f51579b2ca4a43caef581a
- https://git.kernel.org/stable/c/a6b594868268c3a7bfaeced912525cd2c445529a
- https://git.kernel.org/stable/c/aef10ccd74512c52e30c5ee19d0031850973e78d
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.13.11