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CVE-2026-74545 rtase: fix double free of multi-frag skb on DMA map failure

🗓️ 15 Aug 2026 12:27:54Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 44 Views

rtase double frees multi-frag skb when DMA mapping fails in rtase_start_xmit error path.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/net/ethernet/realtek/rtase/rtase_main.c"
    ],
    "versions": [
      {
        "version": "d6e882b89fdf80be0ab4f914ec10f75215e49495",
        "lessThan": "4f09172aff5f73a5e914f4fbc0d00a1c2ea9f7cb",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d6e882b89fdf80be0ab4f914ec10f75215e49495",
        "lessThan": "db986098f30881fafcc752800aa3b13fd289c922",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d6e882b89fdf80be0ab4f914ec10f75215e49495",
        "lessThan": "de691dc3227b061c4d0beba9f0128fe1ff33dd68",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d6e882b89fdf80be0ab4f914ec10f75215e49495",
        "lessThan": "6fb7b769d6ed6d1d2e02af4a80e57a2477f35086",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/net/ethernet/realtek/rtase/rtase_main.c"
    ],
    "versions": [
      {
        "version": "6.12",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.12",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.103",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.44",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.8",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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17 Aug 2026 05:48Current
CVSS 3.19.8
EPSS0.00671
44