fkie_cve-2023-2163
Vulnerability from fkie_nvd
Published
2023-09-20 06:15
Modified
2024-11-21 07:58
Severity ?
10.0 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N
8.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Summary
Incorrect verifier pruning in BPF in Linux Kernel >=5.4 leads to unsafe code paths being incorrectly marked as safe, resulting in arbitrary read/write in kernel memory, lateral privilege escalation, and container escape.
References
cve-coordination@google.comhttps://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=71b547f561247897a0a14f3082730156c0533fedMailing List, Patch
af854a3a-2127-422b-91ae-364da2661108https://bughunters.google.com/blog/6303226026131456/a-deep-dive-into-cve-2023-2163-how-we-found-and-fixed-an-ebpf-linux-kernel-vulnerability
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=71b547f561247897a0a14f3082730156c0533fedMailing List, Patch
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *


To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
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              "matchCriteriaId": "9C1E37DC-B08A-4CB0-B689-FE26E2B39375",
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          "operator": "OR"
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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Incorrect verifier pruning\u00a0in BPF in Linux Kernel\u00a0\u003e=5.4\u00a0leads to unsafe\ncode paths being incorrectly marked as safe, resulting in\u00a0arbitrary read/write in\nkernel memory, lateral privilege escalation, and container escape."
    },
    {
      "lang": "es",
      "value": "La poda incorrecta del verificador en BPF en el kernel de Linux \u0026gt;=5.4 conduce a que las rutas de c\u00f3digo inseguras se marquen incorrectamente como seguras, lo que resulta en lectura/escritura arbitraria en la memoria del kernel, escalada de privilegios lateral y escape de contenedor."
    }
  ],
  "id": "CVE-2023-2163",
  "lastModified": "2024-11-21T07:58:03.743",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 10.0,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
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  "published": "2023-09-20T06:15:10.233",
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  "vulnStatus": "Modified",
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      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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