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CVE-2026-80647

Estado: RecibidaSin puntuar—

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

RDMA/hns: Fix warning in poll cq direct mode

CQs allocated by ib_alloc_cq() always have a comp_handler. Though in direct mode this handler is never expected to be called, it is still called when the driver is reset, triggering the following WARN_ONCE():

Detalles técnicos trazas, registros y código del informe original
Call trace:
ib_cq_completion_direct+0x38/0x60
hns_roce_cq_completion+0x54/0x90 (hns_roce_hw_v2]
hns_roce_handle_device_err+Ox1c8/0x340 [hns_roce_hw_v2]
hns_roce_hw_v2_uninit_instance.constprop.0+0x34/0x70 [hns_roce_hw_v2]
hns_roce_hw_v2_reset_notify+0xc4/0xe0 [hns_roce_hw_v2]
hclge_notify_roce_client+0x60/0xbc [hclge]
hclge_reset_rebuild+0x48/0x34c [hclge]
hclge_reset_subtask+0xcc/0xec [hclge]
hclge_reset_service_task+0x80/0x160 [hclge]
hclge_service_task+0x50/0x80 (hclge]
process_one_work+0x1cc/0x4d0
worker_thread+0x154/0x414
kthread+0x104/0x144
ret_from_fork+0x10/0x18

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)

Mostrar
{
  "id": "CVE-2026-80647",
  "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": "f295e4cece5cb4c60715fed539abcd62468f9ef1",
              "lessThan": "95b2e44bc1e5c5d93bb58e178d914dd99a3baa6f",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "f295e4cece5cb4c60715fed539abcd62468f9ef1",
              "lessThan": "e7d363c0ffa836ac1d89657686cad241392c5eb2",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "f295e4cece5cb4c60715fed539abcd62468f9ef1",
              "lessThan": "c028c1977b6e61eee26bb69332453efb6513f83b",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "f295e4cece5cb4c60715fed539abcd62468f9ef1",
              "lessThan": "a075a7acd155ffdd058e72eb3f4cce1207ebafa1",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "f295e4cece5cb4c60715fed539abcd62468f9ef1",
              "lessThan": "9f05319149c14acedb83e2c2842ec4b38992ad9f",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "f295e4cece5cb4c60715fed539abcd62468f9ef1",
              "lessThan": "16138ea9833d6bb1bed37a3321f282242704bf02",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "f295e4cece5cb4c60715fed539abcd62468f9ef1",
              "lessThan": "1e56f8886d64288cf88d80af44c7b9148aeaa98b",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "f295e4cece5cb4c60715fed539abcd62468f9ef1",
              "lessThan": "3f19c2a3852e6ba75f3e92dd5edc4e07f3d07f4a",
              "versionType": "git"
            }
          ],
          "programFiles": [
            "drivers/infiniband/hw/hns/hns_roce_main.c"
          ],
          "defaultStatus": "unaffected"
        },
        {
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "product": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.5"
            },
            {
              "status": "unaffected",
              "version": "0",
              "lessThan": "5.5",
              "versionType": "semver"
            },
            {
              "status": "unaffected",
              "version": "5.10.261",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "status": "unaffected",
              "version": "5.15.212",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "status": "unaffected",
              "version": "6.1.178",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "status": "unaffected",
              "version": "6.6.145",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "status": "unaffected",
              "version": "6.12.97",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "status": "unaffected",
              "version": "6.18.40",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "status": "unaffected",
              "version": "7.1.5",
              "versionType": "semver",
              "lessThanOrEqual": "7.1.*"
            },
            {
              "status": "unaffected",
              "version": "7.2",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ],
          "programFiles": [
            "drivers/infiniband/hw/hns/hns_roce_main.c"
          ],
          "defaultStatus": "affected"
        }
      ]
    }
  ],
  "published": "2026-08-28T08:16:49.677",
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/16138ea9833d6bb1bed37a3321f282242704bf02",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/1e56f8886d64288cf88d80af44c7b9148aeaa98b",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/3f19c2a3852e6ba75f3e92dd5edc4e07f3d07f4a",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/95b2e44bc1e5c5d93bb58e178d914dd99a3baa6f",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/9f05319149c14acedb83e2c2842ec4b38992ad9f",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/a075a7acd155ffdd058e72eb3f4cce1207ebafa1",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/c028c1977b6e61eee26bb69332453efb6513f83b",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/e7d363c0ffa836ac1d89657686cad241392c5eb2",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "vulnStatus": "Received",
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/hns: Fix warning in poll cq direct mode\n\nCQs allocated by ib_alloc_cq() always have a comp_handler. Though\nin direct mode this handler is never expected to be called, it\nis still called when the driver is reset, triggering the following\nWARN_ONCE():\n\nCall trace:\nib_cq_completion_direct+0x38/0x60\nhns_roce_cq_completion+0x54/0x90 (hns_roce_hw_v2]\nhns_roce_handle_device_err+Ox1c8/0x340 [hns_roce_hw_v2]\nhns_roce_hw_v2_uninit_instance.constprop.0+0x34/0x70 [hns_roce_hw_v2]\nhns_roce_hw_v2_reset_notify+0xc4/0xe0 [hns_roce_hw_v2]\nhclge_notify_roce_client+0x60/0xbc [hclge]\nhclge_reset_rebuild+0x48/0x34c [hclge]\nhclge_reset_subtask+0xcc/0xec [hclge]\nhclge_reset_service_task+0x80/0x160 [hclge]\nhclge_service_task+0x50/0x80 (hclge]\nprocess_one_work+0x1cc/0x4d0\nworker_thread+0x154/0x414\nkthread+0x104/0x144\nret_from_fork+0x10/0x18"
    }
  ],
  "lastModified": "2026-08-28T08:16:49.677",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}