{
  "schemaVersion": 1,
  "attribution": [
    {
      "source": "CISA Known Exploited Vulnerabilities",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "licence": "US government work"
    },
    {
      "source": "GitHub Advisory Database",
      "url": "https://github.com/advisories",
      "licence": "CC BY 4.0"
    },
    {
      "source": "Have I Been Pwned",
      "url": "https://haveibeenpwned.com/",
      "licence": "CC BY 4.0"
    },
    {
      "source": "CVE Program (CVE records)",
      "url": "https://www.cve.org/Legal/TermsOfUse",
      "licence": "CVE Terms of Use",
      "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.",
      "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss/",
      "licence": "free to use; FIRST requests attribution"
    }
  ],
  "record": {
    "id": "CVE-2023-52992",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2023-52992",
    "idYear": 2023,
    "status": "PUBLISHED",
    "publishedAt": "2025-03-27T16:43:27.618Z",
    "updatedAt": "2026-05-11T19:36:31.658Z",
    "importedAt": "2026-10-24T01:57:03.413Z",
    "snapshot": {
      "id": "cve_2026-10-24_midnight_baseline",
      "at": "2026-10-24T00:00:00.000Z",
      "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z"
    },
    "facts": {
      "title": "bpf: Skip task with pid=1 in send_signal_common()",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Skip task with pid=1 in send_signal_common()\n\nThe following kernel panic can be triggered when a task with pid=1 attaches\na prog that attempts to send killing signal to itself, also see [1] for more\ndetails:\n\n  Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b\n  CPU: 3 PID: 1 Comm: systemd Not tainted 6.1.0-09652-g59fe41b5255f #148\n  Call Trace:\n  <TASK>\n  __dump_stack lib/dump_stack.c:88 [inline]\n  dump_stack_lvl+0x100/0x178 lib/dump_stack.c:106\n  panic+0x2c4/0x60f kernel/panic.c:275\n  do_exit.cold+0x63/0xe4 kernel/exit.c:789\n  do_group_exit+0xd4/0x2a0 kernel/exit.c:950\n  get_signal+0x2460/0x2600 kernel/signal.c:2858\n  arch_do_signal_or_restart+0x78/0x5d0 arch/x86/kernel/signal.c:306\n  exit_to_user_mode_loop kernel/entry/common.c:168 [inline]\n  exit_to_user_mode_prepare+0x15f/0x250 kernel/entry/common.c:203\n  __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline]\n  syscall_exit_to_user_mode+0x1d/0x50 kernel/entry/common.c:296\n  do_syscall_64+0x44/0xb0 arch/x86/entry/common.c:86\n  entry_SYSCALL_64_after_hwframe+0x63/0xcd\n\nSo skip task with pid=1 in bpf_send_signal_common() to avoid the panic.\n\n  [1] https://lore.kernel.org/bpf/20221222043507.33037-1-sunhao.th@gmail.com",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "8b401f9ed2441ad9e219953927a842d24ed051fc",
              "status": "affected",
              "versionType": "git",
              "lessThan": "4923160393b06a34759a11b17930d71e06f396f2"
            },
            {
              "version": "8b401f9ed2441ad9e219953927a842d24ed051fc",
              "status": "affected",
              "versionType": "git",
              "lessThan": "a1c0263f1eb4deee132e11e52ee6982435460d81"
            },
            {
              "version": "8b401f9ed2441ad9e219953927a842d24ed051fc",
              "status": "affected",
              "versionType": "git",
              "lessThan": "0dfef503133565fa0bcf3268d8eeb5b181191a65"
            },
            {
              "version": "8b401f9ed2441ad9e219953927a842d24ed051fc",
              "status": "affected",
              "versionType": "git",
              "lessThan": "1283a01b6e19d05f7ed49584ea653947245cd41e"
            },
            {
              "version": "8b401f9ed2441ad9e219953927a842d24ed051fc",
              "status": "affected",
              "versionType": "git",
              "lessThan": "a3d81bc1eaef48e34dd0b9b48eefed9e02a06451"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "5.3",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "5.3"
            },
            {
              "version": "5.4.231",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.4.*"
            },
            {
              "version": "5.10.167",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.92",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.10",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.2",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}