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net: lan743x: Fix memleak issue when GSO enabled

Type: advisorySource: Official CVE List1 source record

In 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

Announced Group revision 1
Original source ↗

CVE-2025-37909

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: cve:CVE-2025-37909

Linux

Source reference: /containers/cna/affected/0/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Linux

Source reference: /containers/cna/affected/1/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "vendor": "Linux",
    "product": "Linux",
    "versions": [
      {
        "status": "affected",
        "version": "23f0703c125be490f70501b6b24ed5645775c56a",
        "lessThan": "093855ce90177488eac772de4eefbb909033ce5f",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "23f0703c125be490f70501b6b24ed5645775c56a",
        "lessThan": "6c65ee5ad632eb8dcd3a91cf5dc99b22535f44d9",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "23f0703c125be490f70501b6b24ed5645775c56a",
        "lessThan": "df993daa4c968b4b23078eacc248f6502ede8664",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "23f0703c125be490f70501b6b24ed5645775c56a",
        "lessThan": "a0e0efbabbbe6a1859bc31bf65237ce91e124b9b",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "23f0703c125be490f70501b6b24ed5645775c56a",
        "lessThan": "dae1ce27ceaea7e1522025b15252e3cc52802622",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "23f0703c125be490f70501b6b24ed5645775c56a",
        "lessThan": "189b05f189cac9fd233ef04d31cb5078c4d09c39",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "23f0703c125be490f70501b6b24ed5645775c56a",
        "lessThan": "f42c18e2f14c1b1fdd2a5250069a84bc854c398c",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "23f0703c125be490f70501b6b24ed5645775c56a",
        "lessThan": "2d52e2e38b85c8b7bc00dca55c2499f46f8c8198",
        "versionType": "git"
      }
    ],
    "programFiles": [
      "drivers/net/ethernet/microchip/lan743x_main.c",
      "drivers/net/ethernet/microchip/lan743x_main.h"
    ],
    "defaultStatus": "unaffected"
  },
  {
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "vendor": "Linux",
    "product": "Linux",
    "versions": [
      {
        "status": "affected",
        "version": "4.17"
      },
      {
        "status": "unaffected",
        "version": "0",
        "lessThan": "4.17",
        "versionType": "semver"
      },
      {
        "status": "unaffected",
        "version": "5.4.294",
        "versionType": "semver",
        "lessThanOrEqual": "5.4.*"
      },
      {
        "status": "unaffected",
        "version": "5.10.238",
        "versionType": "semver",
        "lessThanOrEqual": "5.10.*"
      },
      {
        "status": "unaffected",
        "version": "5.15.182",
        "versionType": "semver",
        "lessThanOrEqual": "5.15.*"
      },
      {
        "status": "unaffected",
        "version": "6.1.138",
        "versionType": "semver",
        "lessThanOrEqual": "6.1.*"
      },
      {
        "status": "unaffected",
        "version": "6.6.90",
        "versionType": "semver",
        "lessThanOrEqual": "6.6.*"
      },
      {
        "status": "unaffected",
        "version": "6.12.28",
        "versionType": "semver",
        "lessThanOrEqual": "6.12.*"
      },
      {
        "status": "unaffected",
        "version": "6.14.6",
        "versionType": "semver",
        "lessThanOrEqual": "6.14.*"
      },
      {
        "status": "unaffected",
        "version": "6.15",
        "versionType": "original_commit_for_fix",
        "lessThanOrEqual": "*"
      }
    ],
    "programFiles": [
      "drivers/net/ethernet/microchip/lan743x_main.c",
      "drivers/net/ethernet/microchip/lan743x_main.h"
    ],
    "defaultStatus": "affected"
  }
]
Related CVEs
CVE-2025-37909

Source reference: /cveMetadata/cveId

Publisher severity

No explicit severity was provided.

Event
#27005 · Revision 1
Added to Heist Feed
Publisher date
Read the original announcement

Revision history

  1. CVE-2025-37909 · Revision 1Source updated