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CVE-2026-80675 libbpf: Reject non-exclusive metadata maps in the signed loader

🗓️ 28 Aug 2026 06:49:14Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 10 Views

libbpf signed loader lacks map exclusivity check, enabling sha validation bypass via stale data.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-80675
28 Aug 202606:49
cve
debiancve
Debian CVE
CVE-2026-80675
28 Aug 202606:49
debiancve
euvd
EUVD
EUVD-2026-67551
28 Aug 202606:49
euvd
nvd
NVD
CVE-2026-80675
28 Aug 202608:16
nvd
osv
OSV
DEBIAN-CVE-2026-80675
28 Aug 202608:16
osv
ptsecurity
Positive Technologies
PT-2026-82975
28 Aug 202600:00
ptsecurity
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "include/linux/bpf.h",
      "kernel/bpf/syscall.c",
      "tools/lib/bpf/gen_loader.c"
    ],
    "versions": [
      {
        "version": "fb2b0e290147ba01a53dfd92cf91058c9d2ee254",
        "lessThan": "b6862b6a25c6a925fb0b0e549ee4a52a8d2966fb",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "fb2b0e290147ba01a53dfd92cf91058c9d2ee254",
        "lessThan": "0dad5adeb34b6f78a883e8faa6a1c947a240e7c9",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "fb2b0e290147ba01a53dfd92cf91058c9d2ee254",
        "lessThan": "0fb6c9ed6493b4af01be8bb0a384574eba7df636",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "include/linux/bpf.h",
      "kernel/bpf/syscall.c",
      "tools/lib/bpf/gen_loader.c"
    ],
    "versions": [
      {
        "version": "6.18",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.18",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.40",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.5",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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