net: stmmac: make sure that ptp_rate is not 0 before configuring EST

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Summary

CVECVE-2025-38125
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2025-07-03 09:15:26 UTC
Updated2026-07-14 13:17:37 UTC
DescriptionIn 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.

Risk And Classification

Primary CVSS: v3.1 5.5 MEDIUM from [email protected]

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

Problem Types: NVD-CWE-noinfo

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 8572aec3d0dc43045254fd1bf581fb980bfdbc4b b15c9a21950e1af6d440ce5a8edfa8a94b9acb9b git Not specified
CNA Linux Linux affected 8572aec3d0dc43045254fd1bf581fb980bfdbc4b d6b0f7ed3e9b6c5e2e3a006c8f72c95aa4ac4b74 git Not specified
CNA Linux Linux affected 8572aec3d0dc43045254fd1bf581fb980bfdbc4b b92ec4a848728460f181def33735605f154d438f git Not specified
CNA Linux Linux affected 8572aec3d0dc43045254fd1bf581fb980bfdbc4b 451ee661d0f6272017fa012f99617101aa8ddf2c git Not specified
CNA Linux Linux affected 8572aec3d0dc43045254fd1bf581fb980bfdbc4b d5e3bfdba0dc419499b801937128957f77503761 git Not specified
CNA Linux Linux affected 8572aec3d0dc43045254fd1bf581fb980bfdbc4b cbefe2ffa7784525ec5d008ba87c7add19ec631a git Not specified
CNA Linux Linux affected 5.6 Not specified
CNA Linux Linux unaffected 5.6 semver Not specified
CNA Linux Linux unaffected 5.15.199 5.15.* semver Not specified
CNA Linux Linux unaffected 6.1.162 6.1.* semver Not specified
CNA Linux Linux unaffected 6.6.120 6.6.* semver Not specified
CNA Linux Linux unaffected 6.12.34 6.12.* semver Not specified
CNA Linux Linux unaffected 6.15.3 6.15.* semver Not specified
CNA Linux Linux unaffected 6.16 * original_commit_for_fix Not specified
ADP Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP affected V3.1.6 * custom Not specified
ADP Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP affected V3.1.6 * custom Not specified
ADP Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP affected V3.1.6 * custom Not specified
ADP Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP affected V3.1.6 * custom Not specified
ADP Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP affected V3.1.6 * custom Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/b92ec4a848728460f181def33735605f154d438f 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/451ee661d0f6272017fa012f99617101aa8ddf2c 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/d6b0f7ed3e9b6c5e2e3a006c8f72c95aa4ac4b74 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/cbefe2ffa7784525ec5d008ba87c7add19ec631a 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/b15c9a21950e1af6d440ce5a8edfa8a94b9acb9b 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
cert-portal.siemens.com/productcert/html/ssa-019113.html 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e cert-portal.siemens.com
git.kernel.org/stable/c/d5e3bfdba0dc419499b801937128957f77503761 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
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