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CVE-2026-97572

Estado: RecibidaSin puntuar—

In the Linux kernel, the following vulnerability has been resolved:

bnxt_en: Propagate RX ring init failures in bnxt_init_nic()

bnxt_init_rx_rings() returns an error when bnxt_alloc_one_rx_ring() fails, but bnxt_init_nic() discards that return value and calls bnxt_init_chip(), which enables TPA.

If an allocation fails, this could leave rxr->rx_tpa[] partially zeroed and TPA would be enabled over an array with zeroed entries. This would lead to a zeroed DMA address being handed out if the agg_idx is translated to a SW index at a zeroed entry.

Fix this by propagating the error out of bnxt_init_nic(). Both callers already check its return value and unwind with bnxt_free_skbs() and bnxt_free_mem(), which tolerate a partially initialized RX ring.

CVSS

NVD no ha asignado puntuación CVSS a esta CVE (habitual desde el cambio de política de abril de 2026).

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.

Linux — Linux KernelAI

Referencias

JSON original (NVD)

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{
  "id": "CVE-2026-97572",
  "cveTags": [],
  "metrics": {},
  "affected": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "affectedData": [
        {
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "product": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "c0c050c58d840994ba842ad1c338a98e7c12b764",
              "lessThan": "e40641638743b4b848d5ed78a0565afffc359d8e",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "c0c050c58d840994ba842ad1c338a98e7c12b764",
              "lessThan": "6b24eca42619b93f69aebc2aa0a9fd28ac9a5085",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "c0c050c58d840994ba842ad1c338a98e7c12b764",
              "lessThan": "1f2d333ae2e1a73b7cc1c2a627587024cd147c01",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "c0c050c58d840994ba842ad1c338a98e7c12b764",
              "lessThan": "c3eb07e78e628243cbb9bbb0115db802fb7a303f",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "c0c050c58d840994ba842ad1c338a98e7c12b764",
              "lessThan": "daadccd062fdca5e77a8cc22ffe35857803b6c49",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "c0c050c58d840994ba842ad1c338a98e7c12b764",
              "lessThan": "b4c40f2c80d7bf50648878bc206a39adfbfaec6c",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "c0c050c58d840994ba842ad1c338a98e7c12b764",
              "lessThan": "dfd73af81cdb9f7b399754a59e2658a08211bee5",
              "versionType": "git"
            },
            {
              "status": "affected",
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              "lessThan": "8e6a850c0746bb4be167aedf1ee57469fcda09a9",
              "versionType": "git"
            }
          ],
          "programFiles": [
            "drivers/net/ethernet/broadcom/bnxt/bnxt.c"
          ],
          "defaultStatus": "unaffected"
        },
        {
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "product": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "4.4"
            },
            {
              "status": "unaffected",
              "version": "0",
              "lessThan": "4.4",
              "versionType": "semver"
            },
            {
              "status": "unaffected",
              "version": "5.10.271",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "status": "unaffected",
              "version": "5.15.222",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "status": "unaffected",
              "version": "6.1.189",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "status": "unaffected",
              "version": "6.6.158",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "status": "unaffected",
              "version": "6.12.111",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "status": "unaffected",
              "version": "6.18.53",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "status": "unaffected",
              "version": "7.2.7",
              "versionType": "semver",
              "lessThanOrEqual": "7.2.*"
            },
            {
              "status": "unaffected",
              "version": "7.3-rc3",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ],
          "programFiles": [
            "drivers/net/ethernet/broadcom/bnxt/bnxt.c"
          ],
          "defaultStatus": "affected"
        }
      ]
    }
  ],
  "published": "2026-09-25T11:17:07.910",
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/1f2d333ae2e1a73b7cc1c2a627587024cd147c01",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/6b24eca42619b93f69aebc2aa0a9fd28ac9a5085",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/8e6a850c0746bb4be167aedf1ee57469fcda09a9",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/b4c40f2c80d7bf50648878bc206a39adfbfaec6c",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/c3eb07e78e628243cbb9bbb0115db802fb7a303f",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/daadccd062fdca5e77a8cc22ffe35857803b6c49",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/dfd73af81cdb9f7b399754a59e2658a08211bee5",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/e40641638743b4b848d5ed78a0565afffc359d8e",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "vulnStatus": "Received",
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbnxt_en: Propagate RX ring init failures in bnxt_init_nic()\n\nbnxt_init_rx_rings() returns an error when bnxt_alloc_one_rx_ring()\nfails, but bnxt_init_nic() discards that return value and calls\nbnxt_init_chip(), which enables TPA.\n\nIf an allocation fails, this could leave rxr->rx_tpa[] partially zeroed\nand TPA would be enabled over an array with zeroed entries. This would\nlead to a zeroed DMA address being handed out if the agg_idx is\ntranslated to a SW index at a zeroed entry.\n\nFix this by propagating the error out of bnxt_init_nic(). Both callers\nalready check its return value and unwind with bnxt_free_skbs() and\nbnxt_free_mem(), which tolerate a partially initialized RX ring."
    }
  ],
  "lastModified": "2026-10-03T11:18:04.410",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}