CVE-2026-99047 (GCVE-0-2026-99047)
Vulnerability from cvelistv5
Published
2026-10-23 12:22
Modified
2026-10-23 12:22
Severity ?
Summary
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.
Impacted products
Vendor Product Version
Linux Linux Version: c1fffc5d66a7147d557736c2341a511e0896d9ff
Version: c1fffc5d66a7147d557736c2341a511e0896d9ff
Version: c1fffc5d66a7147d557736c2341a511e0896d9ff
Create a notification for this product.
Show details on NVD website


{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/ethernet/google/gve/gve_rx_dqo.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "506f9de069d07a72b9887ce3edd2fdf32f4953aa",
              "status": "affected",
              "version": "c1fffc5d66a7147d557736c2341a511e0896d9ff",
              "versionType": "git"
            },
            {
              "lessThan": "7a7e6bbbf0586c1f62f0cc7d9a2877d8a5e5aaf7",
              "status": "affected",
              "version": "c1fffc5d66a7147d557736c2341a511e0896d9ff",
              "versionType": "git"
            },
            {
              "lessThan": "73670ddb91a4d22e1deb3efd962242de1ec48e90",
              "status": "affected",
              "version": "c1fffc5d66a7147d557736c2341a511e0896d9ff",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/ethernet/google/gve/gve_rx_dqo.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.17"
            },
            {
              "lessThan": "6.17",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.57",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.2.*",
              "status": "unaffected",
              "version": "7.2.11",
              "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": "6.18.57",
                  "versionStartIncluding": "6.17",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.2.11",
                  "versionStartIncluding": "6.17",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.3",
                  "versionStartIncluding": "6.17",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "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."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-23T12:22:12.104Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/506f9de069d07a72b9887ce3edd2fdf32f4953aa"
        },
        {
          "url": "https://git.kernel.org/stable/c/7a7e6bbbf0586c1f62f0cc7d9a2877d8a5e5aaf7"
        },
        {
          "url": "https://git.kernel.org/stable/c/73670ddb91a4d22e1deb3efd962242de1ec48e90"
        }
      ],
      "title": "gve: fix XSK buffer leak when rings are stopped",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-99047",
    "datePublished": "2026-10-23T12:22:12.104Z",
    "dateReserved": "2026-09-25T10:25:14.388Z",
    "dateUpdated": "2026-10-23T12:22:12.104Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.


Loading…

Loading…