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bpf: Mark bpf_refcount field as unique

Type: advisorySource: Official CVE List1 source record

In the Linux kernel, the following vulnerability has been resolved: bpf: Mark bpf_refcount field as unique BPF_REFCOUNT is not marked as a unique field, while it should be. Fix this oversight.

Announced Source revision 1
Original source ↗

CVE-2026-100074

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-2026-100074

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": "d54730b50bae1f3119bd686d551d66f0fcc387ca",
        "lessThan": "015f9fbcf3382c5eb563a157ee8cabb6fbfcfe5e",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "d54730b50bae1f3119bd686d551d66f0fcc387ca",
        "lessThan": "20b3c72c1b83054c568d2322a95e217fdc281bc3",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "d54730b50bae1f3119bd686d551d66f0fcc387ca",
        "lessThan": "e42cede6f90177f4f92f80d3de18f628e61d2087",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "d54730b50bae1f3119bd686d551d66f0fcc387ca",
        "lessThan": "641f814965d733936ca3618d4d5a12a8fa9be00e",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "d54730b50bae1f3119bd686d551d66f0fcc387ca",
        "lessThan": "61e655391cb19c31f94ecd4354f624c81ce4cf75",
        "versionType": "git"
      }
    ],
    "programFiles": [
      "kernel/bpf/btf.c"
    ],
    "defaultStatus": "unaffected"
  },
  {
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "vendor": "Linux",
    "product": "Linux",
    "versions": [
      {
        "status": "affected",
        "version": "6.4"
      },
      {
        "status": "unaffected",
        "version": "0",
        "lessThan": "6.4",
        "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": "6.18.52",
        "versionType": "semver",
        "lessThanOrEqual": "6.18.*"
      },
      {
        "status": "unaffected",
        "version": "7.2.6",
        "versionType": "semver",
        "lessThanOrEqual": "7.2.*"
      },
      {
        "status": "unaffected",
        "version": "7.3",
        "versionType": "original_commit_for_fix",
        "lessThanOrEqual": "*"
      }
    ],
    "programFiles": [
      "kernel/bpf/btf.c"
    ],
    "defaultStatus": "affected"
  }
]
Related CVEs
CVE-2026-100074

Source reference: /cveMetadata/cveId

Publisher severity

No explicit severity was provided.

Event
#46093 · Revision 1
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Publisher date
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