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

Type: advisorySource: Official CVE List1 source record

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.

Announced Source revision 1
Original source ↗

CVE-2026-63999

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: cve:CVE-2026-63999

Linux

Source reference: /containers/cna/affected/0/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Linux

Source reference: /containers/cna/affected/1/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "vendor": "Linux",
    "product": "Linux",
    "versions": [
      {
        "status": "affected",
        "version": "c5ed0eaddcbda56079091fc3876b140a6e70a548",
        "lessThan": "14dbf22c397b799b3a80f63fc90c2fc0585bbeb3",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "a065b996052656a65afc51ad82336dc55ae4c72f",
        "lessThan": "323faef6366349f57d4ad67d318a0c8906e360b3",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "4f038a6a02d20859a3479293cbf172b0f14cbdd6",
        "lessThan": "33d05c22d6f227c5ae171c46df2f6f8bf48047ea",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "4f038a6a02d20859a3479293cbf172b0f14cbdd6",
        "lessThan": "80d95d92f828cfcace955d673637d944178b435f",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "4f038a6a02d20859a3479293cbf172b0f14cbdd6",
        "lessThan": "266297692f97008ca48bc311775c087c59bd7fe3",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "81a5174e64ce4fb7b7a2f6499b835c904c9451ee",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "ec9faff49a4ea27731de39cb887b7e590e93157b",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "adee9db710a6117b978a25ed4153846b7c56ec9a",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "5eb3fdc4b6281b29e830300c866a36d90442b1f0",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "6.6.88",
        "lessThan": "6.6.160",
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "6.12.24",
        "lessThan": "6.12.114",
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "5.15.181",
        "lessThan": "5.16",
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "6.1.135",
        "lessThan": "6.2",
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "6.13.12",
        "lessThan": "6.14",
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "6.14.3",
        "lessThan": "6.15",
        "versionType": "semver"
      }
    ],
    "programFiles": [
      "net/ethtool/rss.c"
    ],
    "defaultStatus": "unaffected"
  },
  {
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "vendor": "Linux",
    "product": "Linux",
    "versions": [
      {
        "status": "affected",
        "version": "6.15"
      },
      {
        "status": "unaffected",
        "version": "0",
        "lessThan": "6.15",
        "versionType": "semver"
      },
      {
        "status": "unaffected",
        "version": "6.6.160",
        "versionType": "semver",
        "lessThanOrEqual": "6.6.*"
      },
      {
        "status": "unaffected",
        "version": "6.12.114",
        "versionType": "semver",
        "lessThanOrEqual": "6.12.*"
      },
      {
        "status": "unaffected",
        "version": "6.18.35",
        "versionType": "semver",
        "lessThanOrEqual": "6.18.*"
      },
      {
        "status": "unaffected",
        "version": "7.0.12",
        "versionType": "semver",
        "lessThanOrEqual": "7.0.*"
      },
      {
        "status": "unaffected",
        "version": "7.1",
        "versionType": "original_commit_for_fix",
        "lessThanOrEqual": "*"
      }
    ],
    "programFiles": [
      "net/ethtool/rss.c"
    ],
    "defaultStatus": "affected"
  }
]
Related CVEs
CVE-2026-63999

Source reference: /cveMetadata/cveId

Publisher severity

No explicit severity was provided.

Event
#46411 · Revision 1
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Publisher date
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