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CVE-2023-52992 bpf: Skip task with pid=1 in send_signal_common()

🗓️ 27 Mar 2025 16:43:27Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 7 Views

Kernel vulnerability CVE-2023-52992 fixed by skipping pid=1 in signal handling to prevent panic.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "kernel/trace/bpf_trace.c"
    ],
    "versions": [
      {
        "version": "8b401f9ed2441ad9e219953927a842d24ed051fc",
        "lessThan": "4923160393b06a34759a11b17930d71e06f396f2",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8b401f9ed2441ad9e219953927a842d24ed051fc",
        "lessThan": "a1c0263f1eb4deee132e11e52ee6982435460d81",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8b401f9ed2441ad9e219953927a842d24ed051fc",
        "lessThan": "0dfef503133565fa0bcf3268d8eeb5b181191a65",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8b401f9ed2441ad9e219953927a842d24ed051fc",
        "lessThan": "1283a01b6e19d05f7ed49584ea653947245cd41e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8b401f9ed2441ad9e219953927a842d24ed051fc",
        "lessThan": "a3d81bc1eaef48e34dd0b9b48eefed9e02a06451",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "kernel/trace/bpf_trace.c"
    ],
    "versions": [
      {
        "version": "5.3",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.3",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.4.231",
        "lessThanOrEqual": "5.4.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.167",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.92",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.10",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.2",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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