#VU103922 Resource management error in Linux kernel - CVE-2025-21696
Published: February 12, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU103922
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:U/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-21696
CWE-ID: CWE-399
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 perform a denial of service (DoS) attack.
The vulnerability exists due to resource management error within the move_ptes(), move_normal_pmd() and move_normal_pud() functions in mm/mremap.c, within the move_huge_pte() function in mm/hugetlb.c, within the move_soft_dirty_pmd() and move_huge_pmd() functions in mm/huge_memory.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.