CVE-2025-56572: 
JavaScript vulnerability analysis and mitigation

CVE-2024-56572 is a memory leak vulnerability discovered in the Linux kernel's media platform allegro-dvt driver, specifically in the allocatebuffersinternal() function. The vulnerability was disclosed on December 27, 2024, and affects Linux kernel versions from 5.3 up to versions before 5.4.287, 5.5 to before 5.10.231, 5.11 to before 5.15.174, 5.16 to before 6.1.120, 6.2 to before 6.6.64, and 6.7 to before 6.12.4 (NVD).

The vulnerability occurs when a buffer in the loop is not properly released under the exception path, potentially leading to a memory leak. The issue specifically arises when allegroallocbuffer fails, and the buffer is not freed properly. The vulnerability has been assigned a CVSS v3.1 base score of 5.5 MEDIUM (AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H) by NIST NVD, while CISA-ADP assessed it with a score of 3.3 LOW. The vulnerability is classified under CWE-401 (Missing Release of Memory after Effective Lifetime) (NVD).

The primary impact of this vulnerability is on system availability through memory leaks, which could lead to resource exhaustion over time. Since it's a local vulnerability with low attack complexity, it requires local user privileges to exploit but does not impact confidentiality or integrity of the system (NVD).

The vulnerability has been patched in various Linux kernel versions. Ubuntu has released fixes for multiple versions including 24.10 (6.11.0-21.21), 24.04 LTS (6.8.0-58.60), 22.04 LTS (5.15.0-135.146), and 20.04 LTS (5.4.0-211.231). Users are advised to update their kernel to the latest available version that includes the fix (Ubuntu).