CVE-2026-64056 net: ethernet: cortina: Make RX SKB per-port

🗓️ 19 Jul 2026 15:39:37Reported by LinuxType

Cortina receive SKB per-port to avoid races on dual ethernet ports; zero the pointer on error or stop.

Reporter	Title	Published	Views	Family All 9
CVE	CVE-2026-64056	19 Jul 202615:39	–	cve
EUVD	EUVD-2026-45629	19 Jul 202615:39	–	euvd
NVD	CVE-2026-64056	19 Jul 202616:17	–	nvd
OSV	CVE-2026-64056 net: ethernet: cortina: Make RX SKB per-port	19 Jul 202615:39	–	osv
OSV	DEBIAN-CVE-2026-64056	19 Jul 202616:17	–	osv
OSV	UBUNTU-CVE-2026-64056	20 Jul 202600:00	–	osv
Positive Technologies	PT-2026-61373	19 Jul 202600:00	–	ptsecurity
RedhatCVE	CVE-2026-64056	21 Jul 202605:09	–	redhatcve
Tenable Nessus	Linux Distros Unpatched Vulnerability : CVE-2026-64056	20 Jul 202600:00	–	nessus

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/net/ethernet/cortina/gemini.c"
    ],
    "versions": [
      {
        "version": "4d5ae32f5e1e13f7f36d6439ec3257993b9f5b88",
        "lessThan": "27856d533eca3804008695f61c1e4d5ff984196b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4d5ae32f5e1e13f7f36d6439ec3257993b9f5b88",
        "lessThan": "b6b22824b30e48ce1df3a2e80990f4b8505deb50",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4d5ae32f5e1e13f7f36d6439ec3257993b9f5b88",
        "lessThan": "6bba24e9ebe6f1c0b356cd471e36bdc7fa434897",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4d5ae32f5e1e13f7f36d6439ec3257993b9f5b88",
        "lessThan": "3b249988d774dacf13b203817e971934a42243c4",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4d5ae32f5e1e13f7f36d6439ec3257993b9f5b88",
        "lessThan": "72158ea185b27afae163949b0e86164cb6b64e55",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4d5ae32f5e1e13f7f36d6439ec3257993b9f5b88",
        "lessThan": "cfd62907f3cdbc3b6da8f49ba907c0390018fe5e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4d5ae32f5e1e13f7f36d6439ec3257993b9f5b88",
        "lessThan": "67a35e7da7ef9d2f000aa758552a128324c604a0",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4d5ae32f5e1e13f7f36d6439ec3257993b9f5b88",
        "lessThan": "06937db21ee311ed07eba47954447245041a982d",
        "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/cortina/gemini.c"
    ],
    "versions": [
      {
        "version": "4.16",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "4.16",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.258",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.209",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.175",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.142",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.92",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.34",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.11",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

Source	Link
git	www.git.kernel.org/stable/c/27856d533eca3804008695f61c1e4d5ff984196b
git	www.git.kernel.org/stable/c/b6b22824b30e48ce1df3a2e80990f4b8505deb50
git	www.git.kernel.org/stable/c/3b249988d774dacf13b203817e971934a42243c4
git	www.git.kernel.org/stable/c/72158ea185b27afae163949b0e86164cb6b64e55
git	www.git.kernel.org/stable/c/cfd62907f3cdbc3b6da8f49ba907c0390018fe5e
git	www.git.kernel.org/stable/c/06937db21ee311ed07eba47954447245041a982d
git	www.git.kernel.org/stable/c/6bba24e9ebe6f1c0b356cd471e36bdc7fa434897
git	www.git.kernel.org/stable/c/67a35e7da7ef9d2f000aa758552a128324c604a0

20 Jul 2026 13:42Current

CVSS 3.19.8

EPSS0.00184