CVE-2026-99047

Full vulnerability record from the local CVENow database.

Description

In the Linux kernel, the following vulnerability has been resolved: gve: fix XSK buffer leak when rings are stopped GVE does not free XSK buffers when resetting ring state as a part of stopping queues. This causes all XSK buffers which are posted to the NIC to be leaked. Free XSK buffers attached to an allocated buf_state when stopping rings. This issue was hit in production.

Severity

Not scored

CVSS score

Not available

Vulnerability status

Received

Source identifier

416baaa9-dc9f-4396-8d5f-8c081fb06d67

Published

2026-10-23 13:17:28.183000

Last modified

2026-10-23 13:17:28.183000

View original CVE JSON

{
  "id": "CVE-2026-99047",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "published": "2026-10-23T13:17:28.183",
  "lastModified": "2026-10-23T13:17:28.183",
  "vulnStatus": "Received",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ngve: fix XSK buffer leak when rings are stopped\n\nGVE does not free XSK buffers when resetting ring state as a part of\nstopping queues. This causes all XSK buffers which are posted to the\nNIC to be leaked.\n\nFree XSK buffers attached to an allocated buf_state when stopping rings.\n\nThis issue was hit in production."
    }
  ],
  "affected": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "affectedData": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "programFiles": [
            "drivers/net/ethernet/google/gve/gve_rx_dqo.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "versions": [
            {
              "version": "c1fffc5d66a7147d557736c2341a511e0896d9ff",
              "lessThan": "506f9de069d07a72b9887ce3edd2fdf32f4953aa",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "c1fffc5d66a7147d557736c2341a511e0896d9ff",
              "lessThan": "7a7e6bbbf0586c1f62f0cc7d9a2877d8a5e5aaf7",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "c1fffc5d66a7147d557736c2341a511e0896d9ff",
              "lessThan": "73670ddb91a4d22e1deb3efd962242de1ec48e90",
              "versionType": "git",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "programFiles": [
            "drivers/net/ethernet/google/gve/gve_rx_dqo.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "versions": [
            {
              "version": "6.17",
              "status": "affected"
            },
            {
              "version": "0",
              "lessThan": "6.17",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "6.18.57",
              "lessThanOrEqual": "6.18.*",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "7.2.11",
              "lessThanOrEqual": "7.2.*",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "7.3",
              "lessThanOrEqual": "*",
              "versionType": "original_commit_for_fix",
              "status": "unaffected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {},
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/506f9de069d07a72b9887ce3edd2fdf32f4953aa",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/73670ddb91a4d22e1deb3efd962242de1ec48e90",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/7a7e6bbbf0586c1f62f0cc7d9a2877d8a5e5aaf7",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ]
}