{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/ethernet/intel/igc/igc_defines.h"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "88037973c8ef6032bf84e9955595f8b20bc14c21",
              "status": "affected",
              "version": "0d58cdc902dace2298406b3972def04f55e3d775",
              "versionType": "git"
            },
            {
              "lessThan": "8ad1b6c1e63d25f5465b7a8aa403bdcee84b86f9",
              "status": "affected",
              "version": "0d58cdc902dace2298406b3972def04f55e3d775",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/ethernet/intel/igc/igc_defines.h"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.16"
            },
            {
              "lessThan": "6.16",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.8",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.19",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.8",
                  "versionStartIncluding": "6.16",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.19",
                  "versionStartIncluding": "6.16",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nigc: Reduce TSN TX packet buffer from 7KB to 5KB per queue\n\nThe previous 7 KB per queue caused TX unit hangs under heavy\ntimestamping load. Reducing to 5 KB avoids these hangs and matches\nthe TSN recommendation in I225/I226 SW User Manual Section 7.5.4.\n\nThe 8 KB \"freed\" by this change is currently unused. This reduction\nis not expected to impact throughput, as the i226 is PCIe-limited\nfor small TSN packets rather than TX-buffer-limited."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-02-14T15:09:52.592Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/88037973c8ef6032bf84e9955595f8b20bc14c21"
        },
        {
          "url": "https://git.kernel.org/stable/c/8ad1b6c1e63d25f5465b7a8aa403bdcee84b86f9"
        }
      ],
      "title": "igc: Reduce TSN TX packet buffer from 7KB to 5KB per queue",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-23122",
    "datePublished": "2026-02-14T15:09:52.592Z",
    "dateReserved": "2026-01-13T15:37:45.970Z",
    "dateUpdated": "2026-02-14T15:09:52.592Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-23122\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2026-02-14T15:16:07.390\",\"lastModified\":\"2026-02-18T17:52:44.520\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nigc: Reduce TSN TX packet buffer from 7KB to 5KB per queue\\n\\nThe previous 7 KB per queue caused TX unit hangs under heavy\\ntimestamping load. Reducing to 5 KB avoids these hangs and matches\\nthe TSN recommendation in I225/I226 SW User Manual Section 7.5.4.\\n\\nThe 8 KB \\\"freed\\\" by this change is currently unused. This reduction\\nis not expected to impact throughput, as the i226 is PCIe-limited\\nfor small TSN packets rather than TX-buffer-limited.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\\n\\nigc: Reducir el b\u00fafer de paquetes TX TSN de 7KB a 5KB por cola\\n\\nLos 7 KB anteriores por cola causaban bloqueos de la unidad TX bajo una carga pesada de marca de tiempo. La reducci\u00f3n a 5 KB evita estos bloqueos y coincide con la recomendaci\u00f3n TSN en la Secci\u00f3n 7.5.4 del Manual de Usuario de SW I225/I226.\\n\\nLos 8 KB \u0027liberados\u0027 por este cambio actualmente no se utilizan. Esta reducci\u00f3n no se espera que impacte el rendimiento, ya que el i226 est\u00e1 limitado por PCIe para paquetes TSN peque\u00f1os en lugar de estar limitado por el b\u00fafer TX.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/88037973c8ef6032bf84e9955595f8b20bc14c21\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/8ad1b6c1e63d25f5465b7a8aa403bdcee84b86f9\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}