CVE-2025-39834

MEDIUMCVSS 5.5/10EPSS 0.12%

Last modified

CVE-2025-39834 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. In the Linux kernel, the following vulnerability has been resolved: net/mlx5: HWS, Fix memory leak in hws_action_get_shared_stc_nic error flow When an invalid stc_type is provided, the function allocates memory for shared_stc but jumps to unlock_and_out without freeing it, causing a memory leak. Fix by jumping to free_shared_stc label instead to ensure proper cleanup.. EPSS estimates a 0.12% chance of exploitation in the next 30 days.

Description

In the Linux kernel, the following vulnerability has been resolved: net/mlx5: HWS, Fix memory leak in hws_action_get_shared_stc_nic error flow When an invalid stc_type is provided, the function allocates memory for shared_stc but jumps to unlock_and_out without freeing it, causing a memory leak. Fix by jumping to free_shared_stc label instead to ensure proper cleanup.

Metrics

CVSS 3.1
5.5/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS Probability
0.12%

2.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersionsUpdate
LinuxLinux Kernel>= 6.12, < 6.16.5
LinuxLinux Kernel6.17Rc1

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2025-39834?
In the Linux kernel, the following vulnerability has been resolved: net/mlx5: HWS, Fix memory leak in hws_action_get_shared_stc_nic error flow When an invalid stc_type is provided, the function allocates memory for shared_stc but jumps to unlock_and_out without freeing it, causing a memory leak. Fix by jumping to free_shared_stc label instead to ensure proper cleanup.
How severe is CVE-2025-39834?
CVE-2025-39834 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.12% probability of exploitation in the next 30 days.
How do I fix CVE-2025-39834?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-39834?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST