net: lan743x: Fix memleak issue when GSO enabled

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2025-37909
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2025-05-20 16:15:27 UTC
Updated2026-07-14 13:17:34 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: net: lan743x: Fix memleak issue when GSO enabled Always map the `skb` to the LS descriptor. Previously skb was mapped to EXT descriptor when the number of fragments is zero with GSO enabled. Mapping the skb to EXT descriptor prevents it from being freed, leading to a memory leak

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: CWE-401

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 23f0703c125be490f70501b6b24ed5645775c56a 093855ce90177488eac772de4eefbb909033ce5f git Not specified
CNA Linux Linux affected 23f0703c125be490f70501b6b24ed5645775c56a 6c65ee5ad632eb8dcd3a91cf5dc99b22535f44d9 git Not specified
CNA Linux Linux affected 23f0703c125be490f70501b6b24ed5645775c56a df993daa4c968b4b23078eacc248f6502ede8664 git Not specified
CNA Linux Linux affected 23f0703c125be490f70501b6b24ed5645775c56a a0e0efbabbbe6a1859bc31bf65237ce91e124b9b git Not specified
CNA Linux Linux affected 23f0703c125be490f70501b6b24ed5645775c56a dae1ce27ceaea7e1522025b15252e3cc52802622 git Not specified
CNA Linux Linux affected 23f0703c125be490f70501b6b24ed5645775c56a 189b05f189cac9fd233ef04d31cb5078c4d09c39 git Not specified
CNA Linux Linux affected 23f0703c125be490f70501b6b24ed5645775c56a f42c18e2f14c1b1fdd2a5250069a84bc854c398c git Not specified
CNA Linux Linux affected 23f0703c125be490f70501b6b24ed5645775c56a 2d52e2e38b85c8b7bc00dca55c2499f46f8c8198 git Not specified
CNA Linux Linux affected 4.17 Not specified
CNA Linux Linux unaffected 4.17 semver Not specified
CNA Linux Linux unaffected 5.4.294 5.4.* semver Not specified
CNA Linux Linux unaffected 5.10.238 5.10.* semver Not specified
CNA Linux Linux unaffected 5.15.182 5.15.* semver Not specified
CNA Linux Linux unaffected 6.1.138 6.1.* semver Not specified
CNA Linux Linux unaffected 6.6.90 6.6.* semver Not specified
CNA Linux Linux unaffected 6.12.28 6.12.* semver Not specified
CNA Linux Linux unaffected 6.14.6 6.14.* semver Not specified
CNA Linux Linux unaffected 6.15 * 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/093855ce90177488eac772de4eefbb909033ce5f 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
lists.debian.org/debian-lts-announce/2025/08/msg00010.html af854a3a-2127-422b-91ae-364da2661108 lists.debian.org Mailing List
git.kernel.org/stable/c/189b05f189cac9fd233ef04d31cb5078c4d09c39 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/a0e0efbabbbe6a1859bc31bf65237ce91e124b9b 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/dae1ce27ceaea7e1522025b15252e3cc52802622 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/6c65ee5ad632eb8dcd3a91cf5dc99b22535f44d9 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/2d52e2e38b85c8b7bc00dca55c2499f46f8c8198 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/f42c18e2f14c1b1fdd2a5250069a84bc854c398c 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/df993daa4c968b4b23078eacc248f6502ede8664 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
lists.debian.org/debian-lts-announce/2025/10/msg00007.html af854a3a-2127-422b-91ae-364da2661108 lists.debian.org Mailing List
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