#VU111461 Use-after-free in Linux kernel - CVE-2025-38076
Published: June 19, 2025
Vulnerability identifier: #VU111461
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-2025-38076
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 codetag_module_init() and codetag_unload_module() functions in lib/codetag.c, within the needs_section_mem(), clean_unused_module_areas_locked(), release_module_tags(), mas_unlock() and alloc_tag_init() functions in lib/alloc_tag.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's repository.