Vulnerability-Lookup

GHSA-9PM4-3WGP-CPH8

Vulnerability from github – Published: 2026-07-19 18:31 – Updated: 2026-07-19 18:31

Details

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

ethtool: rss: fix indir_table and hkey leak on get_rxfh failure

rss_prepare_get() allocates the indirection table and hash key buffer via rss_get_data_alloc(), then calls ops->get_rxfh() to populate them. If get_rxfh() fails, the function returns an error without freeing the allocation.

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{
  "affected": [],
  "aliases": [
    "CVE-2026-63999"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-07-19T16:17:39Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nethtool: rss: fix indir_table and hkey leak on get_rxfh failure\n\nrss_prepare_get() allocates the indirection table and hash key buffer\nvia rss_get_data_alloc(), then calls ops-\u003eget_rxfh() to populate them.\nIf get_rxfh() fails, the function returns an error without freeing\nthe allocation.",
  "id": "GHSA-9pm4-3wgp-cph8",
  "modified": "2026-07-19T18:31:48Z",
  "published": "2026-07-19T18:31:48Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-63999"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/266297692f97008ca48bc311775c087c59bd7fe3"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/33d05c22d6f227c5ae171c46df2f6f8bf48047ea"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/80d95d92f828cfcace955d673637d944178b435f"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2026-63999 (GCVE-0-2026-63999)

Vulnerability from cvelistv5 – Published: 2026-07-19 14:56 – Updated: 2026-07-19 14:56

Title

ethtool: rss: fix indir_table and hkey leak on get_rxfh failure

Summary

In the Linux kernel, the following vulnerability has been resolved: ethtool: rss: fix indir_table and hkey leak on get_rxfh failure rss_prepare_get() allocates the indirection table and hash key buffer via rss_get_data_alloc(), then calls ops->get_rxfh() to populate them. If get_rxfh() fails, the function returns an error without freeing the allocation.

Severity

No CVSS data available.

Assigner

Linux

References

3 references

URL	Tags
https://git.kernel.org/stable/c/33d05c22d6f227c5a…
https://git.kernel.org/stable/c/80d95d92f828cfcac…
https://git.kernel.org/stable/c/266297692f97008ca…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: 4f038a6a02d20859a3479293cbf172b0f14cbdd6 , < 33d05c22d6f227c5ae171c46df2f6f8bf48047ea (git) Affected: 4f038a6a02d20859a3479293cbf172b0f14cbdd6 , < 80d95d92f828cfcace955d673637d944178b435f (git) Affected: 4f038a6a02d20859a3479293cbf172b0f14cbdd6 , < 266297692f97008ca48bc311775c087c59bd7fe3 (git) Affected: 81a5174e64ce4fb7b7a2f6499b835c904c9451ee (git) Affected: ec9faff49a4ea27731de39cb887b7e590e93157b (git) Affected: c5ed0eaddcbda56079091fc3876b140a6e70a548 (git) Affected: a065b996052656a65afc51ad82336dc55ae4c72f (git) Affected: adee9db710a6117b978a25ed4153846b7c56ec9a (git) Affected: 5eb3fdc4b6281b29e830300c866a36d90442b1f0 (git) Affected: 5.15.181 , < 5.16 (semver) Affected: 6.1.135 , < 6.2 (semver) Affected: 6.6.88 , < 6.7 (semver) Affected: 6.12.24 , < 6.13 (semver) Affected: 6.13.12 , < 6.14 (semver) Affected: 6.14.3 , < 6.15 (semver)
Linux	Linux	Affected: 6.15 Unaffected: 0 , < 6.15 (semver) Unaffected: 6.18.35 , ≤ 6.18.* (semver) Unaffected: 7.0.12 , ≤ 7.0.* (semver) Unaffected: 7.1 , ≤ * (original_commit_for_fix)

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "net/ethtool/rss.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
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              "versionType": "git"
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            },
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              "versionType": "git"
            },
            {
              "lessThan": "5.16",
              "status": "affected",
              "version": "5.15.181",
              "versionType": "semver"
            },
            {
              "lessThan": "6.2",
              "status": "affected",
              "version": "6.1.135",
              "versionType": "semver"
            },
            {
              "lessThan": "6.7",
              "status": "affected",
              "version": "6.6.88",
              "versionType": "semver"
            },
            {
              "lessThan": "6.13",
              "status": "affected",
              "version": "6.12.24",
              "versionType": "semver"
            },
            {
              "lessThan": "6.14",
              "status": "affected",
              "version": "6.13.12",
              "versionType": "semver"
            },
            {
              "lessThan": "6.15",
              "status": "affected",
              "version": "6.14.3",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "net/ethtool/rss.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.15"
            },
            {
              "lessThan": "6.15",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.35",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.0.*",
              "status": "unaffected",
              "version": "7.0.12",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.1",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
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                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionStartIncluding": "6.14.3",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nethtool: rss: fix indir_table and hkey leak on get_rxfh failure\n\nrss_prepare_get() allocates the indirection table and hash key buffer\nvia rss_get_data_alloc(), then calls ops-\u003eget_rxfh() to populate them.\nIf get_rxfh() fails, the function returns an error without freeing\nthe allocation."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-07-19T14:56:17.383Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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        },
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          "url": "https://git.kernel.org/stable/c/266297692f97008ca48bc311775c087c59bd7fe3"
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    "datePublished": "2026-07-19T14:56:17.383Z",
    "dateReserved": "2026-07-19T07:54:57.026Z",
    "dateUpdated": "2026-07-19T14:56:17.383Z",
    "state": "PUBLISHED"
  },
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}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-9PM4-3WGP-CPH8

CVE-2026-63999 (GCVE-0-2026-63999)

Tags

Sightings

Nomenclature