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CVE-2022-50650 bpf: Fix reference state management for synchronous callbacks

🗓️ 09 Dec 2025 00:00:24Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 54 Views

Fix the Linux kernel verifier reference state for synchronous callbacks to handle multiple executions and prevent leaks.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "include/linux/bpf_verifier.h",
      "kernel/bpf/verifier.c"
    ],
    "versions": [
      {
        "version": "69c087ba6225b574afb6e505b72cb75242a3d844",
        "lessThan": "4ed5155043c97ac8912bcf67331df87c833fb067",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "69c087ba6225b574afb6e505b72cb75242a3d844",
        "lessThan": "caa176c0953cdfd5ce500fb517ce1ea924a8bc4c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "69c087ba6225b574afb6e505b72cb75242a3d844",
        "lessThan": "aed931fd3b6e28f19cc140ff90aa5046ee2aa4e1",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "69c087ba6225b574afb6e505b72cb75242a3d844",
        "lessThan": "9d9d00ac29d0ef7ce426964de46fa6b380357d0a",
        "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_verifier.h",
      "kernel/bpf/verifier.c"
    ],
    "versions": [
      {
        "version": "5.13",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.13",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.75",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.19.17",
        "lessThanOrEqual": "5.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.0.3",
        "lessThanOrEqual": "6.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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