Infinite loop in Linux kernel - CVE-2025-71134
Published: January 14, 2026
Vulnerability identifier: #VU121517
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-71134
CWE-ID: CWE-835
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to infinite loop within the buddy_merge_likely(), __free_one_page() and pageblock_unisolate_and_move_free_pages() functions in mm/page_alloc.c. A local user can perform a denial of service (DoS) attack.
How to mitigate CVE-2025-71134
Install update from vendor's repository.