nvd-json-data-feeds/CVE-2022/CVE-2022-487xx/CVE-2022-48755.json

{
  "id": "CVE-2022-48755",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "published": "2024-06-20T12:15:13.653",
  "lastModified": "2025-01-06T21:44:42.290",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\npowerpc64/bpf: Limit 'ldbrx' to processors compliant with ISA v2.06\n\nJohan reported the below crash with test_bpf on ppc64 e5500:\n\n  test_bpf: #296 ALU_END_FROM_LE 64: 0x0123456789abcdef -> 0x67452301 jited:1\n  Oops: Exception in kernel mode, sig: 4 [#1]\n  BE PAGE_SIZE=4K SMP NR_CPUS=24 QEMU e500\n  Modules linked in: test_bpf(+)\n  CPU: 0 PID: 76 Comm: insmod Not tainted 5.14.0-03771-g98c2059e008a-dirty #1\n  NIP:  8000000000061c3c LR: 80000000006dea64 CTR: 8000000000061c18\n  REGS: c0000000032d3420 TRAP: 0700   Not tainted (5.14.0-03771-g98c2059e008a-dirty)\n  MSR:  0000000080089000 <EE,ME>  CR: 88002822  XER: 20000000 IRQMASK: 0\n  <...>\n  NIP [8000000000061c3c] 0x8000000000061c3c\n  LR [80000000006dea64] .__run_one+0x104/0x17c [test_bpf]\n  Call Trace:\n   .__run_one+0x60/0x17c [test_bpf] (unreliable)\n   .test_bpf_init+0x6a8/0xdc8 [test_bpf]\n   .do_one_initcall+0x6c/0x28c\n   .do_init_module+0x68/0x28c\n   .load_module+0x2460/0x2abc\n   .__do_sys_init_module+0x120/0x18c\n   .system_call_exception+0x110/0x1b8\n   system_call_common+0xf0/0x210\n  --- interrupt: c00 at 0x101d0acc\n  <...>\n  ---[ end trace 47b2bf19090bb3d0 ]---\n\n  Illegal instruction\n\nThe illegal instruction turned out to be 'ldbrx' emitted for\nBPF_FROM_[L|B]E, which was only introduced in ISA v2.06. Guard use of\nthe same and implement an alternative approach for older processors."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: powerpc64/bpf: Limite 'ldbrx' a procesadores compatibles con ISA v2.06 Johan inform\u00f3 el siguiente fallo con test_bpf en ppc64 e5500: test_bpf: #296 ALU_END_FROM_LE 64: 0x0123456789abcdef -&gt; 0x67452301 jited:1 Ups: Excepci\u00f3n en modo kernel, sign: 4 [#1] BE PAGE_SIZE=4K SMP NR_CPUS=24 M\u00f3dulos QEMU e500 vinculados en: test_bpf(+) CPU: 0 PID: 76 Comm: insmod Not tainted 5.14.0- 03771-g98c2059e008a-dirty #1 NIP: 8000000000061c3c LR: 80000000006dea64 CTR: 8000000000061c18 REGS: c0000000032d3420 TRAP: 0700 No contaminado (5.14.0-0 3771-g98c2059e008a-dirty) MSR: 0000000080089000  CR: 88002822 XER: 20000000 IRQMASK : 0 &lt;...&gt; NIP [8000000000061c3c] 0x8000000000061c3c LR [80000000006dea64] .__run_one+0x104/0x17c [test_bpf] Seguimiento de llamadas: .__run_one+0x60/0x17c [test_bpf] (no confiable). test_bpf_init+0x6a8/0xdc8 [test_bpf] . do_one_initcall+0x6c/0x28c .do_init_module+0x68/0x28c .load_module+0x2460/0x2abc .__do_sys_init_module+0x120/0x18c .system_call_exception+0x110/0x1b8 system_call_common+0xf0/0x210 --- interrupci\u00f3n : c00 en 0x101d0acc &lt;...&gt; --- [ end trace 47b2bf19090bb3d0 ]--- Instrucci\u00f3n ilegal La instrucci\u00f3n ilegal result\u00f3 ser 'ldbrx' emitida para BPF_FROM_[L|B]E, que solo se introdujo en ISA v2.06. Proteger el uso de los mismos e implementar un enfoque alternativo para procesadores m\u00e1s antiguos."
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
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              "vulnerable": true,
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "4.8",
              "versionEndExcluding": "5.10.96",
              "matchCriteriaId": "60F53B84-60D9-4B4C-ABF2-EBB451BF7D86"
            },
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              "vulnerable": true,
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "5.11",
              "versionEndExcluding": "5.15.19",
              "matchCriteriaId": "DF69DD7C-FD57-4914-ABB0-FAEF87B0289D"
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            {
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              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "5.16",
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              "matchCriteriaId": "1AD9E77E-B27E-450C-8FD8-B64EC5FB002D"
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              "vulnerable": true,
              "criteria": "cpe:2.3:o:linux:linux_kernel:5.17:rc1:*:*:*:*:*:*",
              "matchCriteriaId": "7BD5F8D9-54FA-4CB0-B4F0-CB0471FDDB2D"
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  "references": [
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      "url": "https://git.kernel.org/stable/c/129c71829d7f46423d95c19e8d87ce956d4c6e1c",
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