Medium 5.5Published Jul 3, 2025

CVE-2025-38125net: stmmac: make sure that ptp_rate is not 0 before configuring EST

Updated under an hour ago (Oct 28, 2026, 8:40 AM ET)

Does this affect you?

It affects Linux and 4 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

Do this next

Start free and add your stack

Free account, 1 product

Every CVE for Linux

Exploited in the last 30 days

In the Linux kernel, the following vulnerability has been resolved: net: stmmac: make sure that ptp_rate is not 0 before configuring EST If the ptp_rate recorded earlier in the driver happens to be 0, this bogus value will propagate up to EST configuration, where it will trigger a division by 0. Prevent this division by 0 by adding the corresponding check and error code.

CVSS: 5.5 MEDIUM (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE): Not given
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 14, 2026
First seen by InfoSec Signals: Oct 14, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from 8572aec3d0dc43045254fd1bf581fb980bfdbc4b before b15c9a21950e1af6d440ce5a8edfa8a94b9acb9b; from 8572aec3d0dc43045254fd1bf581fb980bfdbc4b before d6b0f7ed3e9b6c5e2e3a006c8f72c95aa4ac4b74; from 8572aec3d0dc43045254fd1bf581fb980bfdbc4b before b92ec4a848728460f181def33735605f154d438f; 8572aec3d0dc43045254fd1bf581fb980bfdbc4b builds before 451ee661d0f6272017fa012f99617101aa8ddf2c; from 8572aec3d0dc43045254fd1bf581fb980bfdbc4b before d5e3bfdba0dc419499b801937128957f77503761; from 8572aec3d0dc43045254fd1bf581fb980bfdbc4b before cbefe2ffa7784525ec5d008ba87c7add19ec631a	CNA record
Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP siemens:simatic_s7_1500_cpu_1518_4_pn_dp_mfp (from the name)	from V3.1.6	CISA ADP
Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP siemens:simatic_s7_1500_cpu_1518f_4_pn_dp_mfp (from the name)	from V3.1.6	CISA ADP
Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP siemens:siplus_s7_1500_cpu_1518_4_pn_dp_mfp (from the name)	from V3.1.6	CISA ADP
linux linux_kernel linux:linux_kernel	from 5.6 before 6.12.34; from 6.13 before 6.15.3	NVD

References

References

https://git.kernel.org/stable/c/b15c9a21950e1af6d440ce5a8edfa8a94b9acb9b	patch
https://git.kernel.org/stable/c/d6b0f7ed3e9b6c5e2e3a006c8f72c95aa4ac4b74	patch
https://git.kernel.org/stable/c/b92ec4a848728460f181def33735605f154d438f	patch
https://git.kernel.org/stable/c/451ee661d0f6272017fa012f99617101aa8ddf2c	patch
https://git.kernel.org/stable/c/d5e3bfdba0dc419499b801937128957f77503761	patch
https://git.kernel.org/stable/c/cbefe2ffa7784525ec5d008ba87c7add19ec631a	patch
https://cert-portal.siemens.com/productcert/html/ssa-019113.html
https://cert-portal.siemens.com/productcert/html/ssa-457936.html

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.