CVE-2026-90106 (GCVE-0-2026-90106)
Vulnerability from cvelistv5
Published
2026-09-17 16:06
Modified
2026-10-30 12:34
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: net: bridge: arp/nd proxy: fix reading neigh ha Currently neigh ha address is read directly, but that can result in torn/partial reads if the neigh is being updated. Use neigh_ha_snapshot to take a stable snapshot of the address.
References
Impacted products
Vendor Product Version
Linux Linux Version: 057658cb33fbf4d4309f01fe8845903b1cd07fad
Version: 057658cb33fbf4d4309f01fe8845903b1cd07fad
Version: 057658cb33fbf4d4309f01fe8845903b1cd07fad
Version: 057658cb33fbf4d4309f01fe8845903b1cd07fad
Version: 057658cb33fbf4d4309f01fe8845903b1cd07fad
Version: 057658cb33fbf4d4309f01fe8845903b1cd07fad
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "net/bridge/br_arp_nd_proxy.c"
          ],
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        {
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          "product": "Linux",
          "programFiles": [
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          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
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              "status": "affected",
              "version": "4.15"
            },
            {
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              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
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              "status": "unaffected",
              "version": "6.1.191",
              "versionType": "semver"
            },
            {
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              "status": "unaffected",
              "version": "6.6.160",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.114",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.57",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.2.*",
              "status": "unaffected",
              "version": "7.2.6",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.3",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1.191",
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                  "vulnerable": true
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                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: bridge: arp/nd proxy: fix reading neigh ha\n\nCurrently neigh ha address is read directly, but that can result in\ntorn/partial reads if the neigh is being updated. Use neigh_ha_snapshot\nto take a stable snapshot of the address."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-30T12:34:10.967Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/2365b25b4add42bb5f652920b45bc9ad0e35cbc7"
        },
        {
          "url": "https://git.kernel.org/stable/c/490c72868443ff90f47f4ccbaaff1eaf8fed46ab"
        },
        {
          "url": "https://git.kernel.org/stable/c/a178bcb01051688fb085ffb72cc4b13b5df0fc0f"
        },
        {
          "url": "https://git.kernel.org/stable/c/884cbf15ccd3980bcc9583073045f91798a86d4e"
        },
        {
          "url": "https://git.kernel.org/stable/c/291c9e137b7c74e8a512cded4845352da4c4adda"
        },
        {
          "url": "https://git.kernel.org/stable/c/57549ab9079122991dfa0f8248ca00e101e8e69b"
        }
      ],
      "title": "net: bridge: arp/nd proxy: fix reading neigh ha",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-90106",
    "datePublished": "2026-09-17T16:06:15.470Z",
    "dateReserved": "2026-09-11T19:38:34.787Z",
    "dateUpdated": "2026-10-30T12:34:10.967Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


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