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

Vulnerability from cvelistv5 – Published: 2026-07-19 14:56 – Updated: 2026-07-19 14:56
VLAI
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
References
Impacted products
Vendor Product Version CPE status
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)
guessed Create a notification for this product.
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)
guessed Create a notification for this product.
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          "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",
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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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            "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."
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        ],
        "id": "CVE-2026-63999",
        "lastModified": "2026-07-30T14:51:11.223",
        "metrics": {},
        "published": "2026-07-19T16:17:39.477",
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      "cve": "CVE-2026-63999",
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      "title": "kernel: ethtool: rss: fix indir_table and hkey leak on get_rxfh failure",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-63999.json",
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      "cve": "CVE-2026-63999",
      "id": "CVE-2026-63999",
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      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2026-63999",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2026-63999.json",
      "version": "11"
    }
  }
}



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