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CVE-2026-63925 macsec: fix replay protection at XPN lower-PN wrap

🗓️ 19 Jul 2026 14:55:26Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 33 Views

macsec: fix replay protection for XPN lower-PN wrap at U32_MAX to prevent replay.

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/macsec.c"
    ],
    "versions": [
      {
        "version": "a21ecf0e033807b976967286e6c392f48ee2049f",
        "lessThan": "dd7306779c6ce1238f4cdc34f3c1f2246b854457",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a21ecf0e033807b976967286e6c392f48ee2049f",
        "lessThan": "d15130461df388136b62a7b0ce9f66e7e2fa9ff1",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a21ecf0e033807b976967286e6c392f48ee2049f",
        "lessThan": "23c0e230eab397d7f68be2538790ac41d3bb91fd",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a21ecf0e033807b976967286e6c392f48ee2049f",
        "lessThan": "679e13a65e68a67c8b3c0467c02ee89157ec6f0f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a21ecf0e033807b976967286e6c392f48ee2049f",
        "lessThan": "79495a1b0944fe31ffd54b54b00211b493590d62",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a21ecf0e033807b976967286e6c392f48ee2049f",
        "lessThan": "6d00f5c7e5ff7ec4795b7f5f8ed88bd346641652",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a21ecf0e033807b976967286e6c392f48ee2049f",
        "lessThan": "d55acbe577db892b60547b6ef1c020b359331a6d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a21ecf0e033807b976967286e6c392f48ee2049f",
        "lessThan": "e68842b3356471ba56c882209f324613dac47f64",
        "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/macsec.c"
    ],
    "versions": [
      {
        "version": "5.7",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.7",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.259",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.210",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.176",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.143",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.93",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.35",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.12",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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05 Aug 2026 12:37Current
CVSS 3.18.1
EPSS0.00341
33