Vulnerability in Linux
CVE-2025-39830
In the Linux kernel, the following vulnerability has been resolved: net/mlx5: HWS, Fix memory leak in hws_pool_buddy_init error path In the error path of hws_pool_buddy_init(), the buddy allocator cleanup doesn't free the allocator structure itself, causing a memory leak. Add the missing kfree() to properly release all allocated memory.
EPSS: 0.001 (2.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Linux — versions c61afff94373641695cc81999e9bb10408ea84d5, 6.12, 0
- Linux Linux_kernel — versions 6.17
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2025-39830?
- CVE-2025-39830 is a medium-severity vulnerability in Linux, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 5.5/10. Published 2025-09-16.
- How severe is CVE-2025-39830?
- Medium severity. CVSS v3 base score is 5.5 out of 10.