CVE-2025-39830 — Missing Release of Memory after Effective Lifetime in Linux
Severity
5.5MEDIUMNVD
EPSS
0.0%
top 94.52%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedSep 16
Description
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6
Affected Packages4 packages
▶CVEListV5linux/linuxc61afff94373641695cc81999e9bb10408ea84d5 — 86d13a6f49cb68aa91bd718b1b627e72e77285c1+2
Patches
🔴Vulnerability Details
2OSV▶
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↗2025-09-16
GHSA▶
GHSA-h4gm-c37q-gjjr: 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 pa↗2025-09-16