CVE-2022-49801 (GCVE-0-2022-49801)
Vulnerability from cvelistv5
Published
2025-05-01 14:09
Modified
2025-05-04 12:45
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: tracing: Fix memory leak in tracing_read_pipe() kmemleak reports this issue: unreferenced object 0xffff888105a18900 (size 128): comm "test_progs", pid 18933, jiffies 4336275356 (age 22801.766s) hex dump (first 32 bytes): 25 73 00 90 81 88 ff ff 26 05 00 00 42 01 58 04 %s......&...B.X. 03 00 00 00 02 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<00000000560143a1>] __kmalloc_node_track_caller+0x4a/0x140 [<000000006af00822>] krealloc+0x8d/0xf0 [<00000000c309be6a>] trace_iter_expand_format+0x99/0x150 [<000000005a53bdb6>] trace_check_vprintf+0x1e0/0x11d0 [<0000000065629d9d>] trace_event_printf+0xb6/0xf0 [<000000009a690dc7>] trace_raw_output_bpf_trace_printk+0x89/0xc0 [<00000000d22db172>] print_trace_line+0x73c/0x1480 [<00000000cdba76ba>] tracing_read_pipe+0x45c/0x9f0 [<0000000015b58459>] vfs_read+0x17b/0x7c0 [<000000004aeee8ed>] ksys_read+0xed/0x1c0 [<0000000063d3d898>] do_syscall_64+0x3b/0x90 [<00000000a06dda7f>] entry_SYSCALL_64_after_hwframe+0x63/0xcd iter->fmt alloced in tracing_read_pipe() -> .. ->trace_iter_expand_format(), but not freed, to fix, add free in tracing_release_pipe()
References
Impacted products
Vendor Product Version
Linux Linux Version: efbbdaa22bb78761bff8dfdde027ad04bedd47ce
Version: efbbdaa22bb78761bff8dfdde027ad04bedd47ce
Version: efbbdaa22bb78761bff8dfdde027ad04bedd47ce
Version: 840ce9cfc86f89c335625ec297acc0375f82e19b
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "kernel/trace/trace.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "2c21ee020ce43d744ecd7f3e9bddfcaafef270ce",
              "status": "affected",
              "version": "efbbdaa22bb78761bff8dfdde027ad04bedd47ce",
              "versionType": "git"
            },
            {
              "lessThan": "a7d3f8f33c113478737bc61bb32ec5f9a987da7d",
              "status": "affected",
              "version": "efbbdaa22bb78761bff8dfdde027ad04bedd47ce",
              "versionType": "git"
            },
            {
              "lessThan": "649e72070cbbb8600eb823833e4748f5a0815116",
              "status": "affected",
              "version": "efbbdaa22bb78761bff8dfdde027ad04bedd47ce",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "840ce9cfc86f89c335625ec297acc0375f82e19b",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "kernel/trace/trace.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.12"
            },
            {
              "lessThan": "5.12",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.80",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.0.*",
              "status": "unaffected",
              "version": "6.0.10",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.1",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.15.80",
                  "versionStartIncluding": "5.12",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.0.10",
                  "versionStartIncluding": "5.12",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1",
                  "versionStartIncluding": "5.12",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionStartIncluding": "5.10.190",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntracing: Fix memory leak in tracing_read_pipe()\n\nkmemleak reports this issue:\n\nunreferenced object 0xffff888105a18900 (size 128):\n  comm \"test_progs\", pid 18933, jiffies 4336275356 (age 22801.766s)\n  hex dump (first 32 bytes):\n    25 73 00 90 81 88 ff ff 26 05 00 00 42 01 58 04  %s......\u0026...B.X.\n    03 00 00 00 02 00 00 00 00 00 00 00 00 00 00 00  ................\n  backtrace:\n    [\u003c00000000560143a1\u003e] __kmalloc_node_track_caller+0x4a/0x140\n    [\u003c000000006af00822\u003e] krealloc+0x8d/0xf0\n    [\u003c00000000c309be6a\u003e] trace_iter_expand_format+0x99/0x150\n    [\u003c000000005a53bdb6\u003e] trace_check_vprintf+0x1e0/0x11d0\n    [\u003c0000000065629d9d\u003e] trace_event_printf+0xb6/0xf0\n    [\u003c000000009a690dc7\u003e] trace_raw_output_bpf_trace_printk+0x89/0xc0\n    [\u003c00000000d22db172\u003e] print_trace_line+0x73c/0x1480\n    [\u003c00000000cdba76ba\u003e] tracing_read_pipe+0x45c/0x9f0\n    [\u003c0000000015b58459\u003e] vfs_read+0x17b/0x7c0\n    [\u003c000000004aeee8ed\u003e] ksys_read+0xed/0x1c0\n    [\u003c0000000063d3d898\u003e] do_syscall_64+0x3b/0x90\n    [\u003c00000000a06dda7f\u003e] entry_SYSCALL_64_after_hwframe+0x63/0xcd\n\niter-\u003efmt alloced in\n  tracing_read_pipe() -\u003e .. -\u003etrace_iter_expand_format(), but not\nfreed, to fix, add free in tracing_release_pipe()"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-05-04T12:45:13.899Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/2c21ee020ce43d744ecd7f3e9bddfcaafef270ce"
        },
        {
          "url": "https://git.kernel.org/stable/c/a7d3f8f33c113478737bc61bb32ec5f9a987da7d"
        },
        {
          "url": "https://git.kernel.org/stable/c/649e72070cbbb8600eb823833e4748f5a0815116"
        }
      ],
      "title": "tracing: Fix memory leak in tracing_read_pipe()",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2022-49801",
    "datePublished": "2025-05-01T14:09:29.682Z",
    "dateReserved": "2025-05-01T14:05:17.225Z",
    "dateUpdated": "2025-05-04T12:45:13.899Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2022-49801\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-05-01T15:16:03.407\",\"lastModified\":\"2025-05-02T13:53:20.943\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\ntracing: Fix memory leak in tracing_read_pipe()\\n\\nkmemleak reports this issue:\\n\\nunreferenced object 0xffff888105a18900 (size 128):\\n  comm \\\"test_progs\\\", pid 18933, jiffies 4336275356 (age 22801.766s)\\n  hex dump (first 32 bytes):\\n    25 73 00 90 81 88 ff ff 26 05 00 00 42 01 58 04  %s......\u0026...B.X.\\n    03 00 00 00 02 00 00 00 00 00 00 00 00 00 00 00  ................\\n  backtrace:\\n    [\u003c00000000560143a1\u003e] __kmalloc_node_track_caller+0x4a/0x140\\n    [\u003c000000006af00822\u003e] krealloc+0x8d/0xf0\\n    [\u003c00000000c309be6a\u003e] trace_iter_expand_format+0x99/0x150\\n    [\u003c000000005a53bdb6\u003e] trace_check_vprintf+0x1e0/0x11d0\\n    [\u003c0000000065629d9d\u003e] trace_event_printf+0xb6/0xf0\\n    [\u003c000000009a690dc7\u003e] trace_raw_output_bpf_trace_printk+0x89/0xc0\\n    [\u003c00000000d22db172\u003e] print_trace_line+0x73c/0x1480\\n    [\u003c00000000cdba76ba\u003e] tracing_read_pipe+0x45c/0x9f0\\n    [\u003c0000000015b58459\u003e] vfs_read+0x17b/0x7c0\\n    [\u003c000000004aeee8ed\u003e] ksys_read+0xed/0x1c0\\n    [\u003c0000000063d3d898\u003e] do_syscall_64+0x3b/0x90\\n    [\u003c00000000a06dda7f\u003e] entry_SYSCALL_64_after_hwframe+0x63/0xcd\\n\\niter-\u003efmt alloced in\\n  tracing_read_pipe() -\u003e .. -\u003etrace_iter_expand_format(), but not\\nfreed, to fix, add free in tracing_release_pipe()\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: tracing: Fix memory leakage in tracing_read_pipe() kmemleak informa de este problema: unreferenced object 0xffff888105a18900 (size 128): comm \\\"test_progs\\\", pid 18933, jiffies 4336275356 (age 22801.766s) hex dump (first 32 bytes): 25 73 00 90 81 88 ff ff 26 05 00 00 42 01 58 04 %s......\u0026amp;...BX 03 00 00 00 02 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [\u0026lt;00000000560143a1\u0026gt;] __kmalloc_nodo_rastreador_llamador+0x4a/0x140 [\u0026lt;000000006af00822\u0026gt;] krealloc+0x8d/0xf0 [\u0026lt;00000000c309be6a\u0026gt;] trace_iter_expand_format+0x99/0x150 [\u0026lt;000000005a53bdb6\u0026gt;] trace_check_vprintf+0x1e0/0x11d0 [\u0026lt;0000000065629d9d\u0026gt;] trace_event_printf+0xb6/0xf0 [\u0026lt;000000009a690dc7\u0026gt;] trace_raw_output_bpf_trace_printk+0x89/0xc0 [\u0026lt;00000000d22db172\u0026gt;] imprimir_l\u00ednea_de_seguimiento+0x73c/0x1480 [\u0026lt;00000000cdba76ba\u0026gt;] conducto_de_lectura_de_seguimiento+0x45c/0x9f0 [\u0026lt;0000000015b58459\u0026gt;] lectura_vfs+0x17b/0x7c0 [\u0026lt;000000004aeee8ed\u0026gt;] lectura_ksys+0xed/0x1c0 [\u0026lt;0000000063d3d898\u0026gt;] hacer_llamada_al_sistema_64+0x3b/0x90 [\u0026lt;00000000a06dda7f\u0026gt;] entrada_SYSCALL_64_despu\u00e9s_de_hwframe+0x63/0xcd iter-\u0026gt;fmt asignado en conducto_de_lectura_de_seguimiento() -\u0026gt; .. -\u0026gt;trace_iter_expand_format(), pero no se libera, para solucionarlo, agregue free en tracing_release_pipe()\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/2c21ee020ce43d744ecd7f3e9bddfcaafef270ce\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/649e72070cbbb8600eb823833e4748f5a0815116\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/a7d3f8f33c113478737bc61bb32ec5f9a987da7d\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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