Medium 5.5Published Sep 16, 2025

CVE-2025-39834net/mlx5: HWS, Fix memory leak in hws_action_get_shared_stc_nic error flow

Updated under an hour ago (Oct 27, 2026, 10:30 AM ET)

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Exploited in the last 30 days

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.

CVSS: 5.5 MEDIUM (v3.1, CISA ADP)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE): CWE-401
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Modified
Record last updated: Oct 21, 2026
First seen by InfoSec Signals: Oct 19, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from 504e536d90104c850731840d3fbc95acf251f11b before a2751e1af5dc8b1a64cfd463576c58617c2573ac; 504e536d90104c850731840d3fbc95acf251f11b builds before 051fd8576a2e4e95d5870c5c9f8679c5b16882e4; from 504e536d90104c850731840d3fbc95acf251f11b before a630f83592cdad1253523a1b760cfe78fef6cd9c	CNA record
linux linux_kernel linux:linux_kernel	from 6.12 before 6.16.5; 6.17; 6.17; 6.17	NVD

References

References

https://git.kernel.org/stable/c/a2751e1af5dc8b1a64cfd463576c58617c2573ac
https://git.kernel.org/stable/c/051fd8576a2e4e95d5870c5c9f8679c5b16882e4	patch
https://git.kernel.org/stable/c/a630f83592cdad1253523a1b760cfe78fef6cd9c	patch

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.