CVE-2025-21733 (GCVE-0-2025-21733)
Vulnerability from cvelistv5
Published
2025-02-27 02:12
Modified
2025-05-04 07:19
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: tracing/osnoise: Fix resetting of tracepoints If a timerlat tracer is started with the osnoise option OSNOISE_WORKLOAD disabled, but then that option is enabled and timerlat is removed, the tracepoints that were enabled on timerlat registration do not get disabled. If the option is disabled again and timelat is started, then it triggers a warning in the tracepoint code due to registering the tracepoint again without ever disabling it. Do not use the same user space defined options to know to disable the tracepoints when timerlat is removed. Instead, set a global flag when it is enabled and use that flag to know to disable the events. ~# echo NO_OSNOISE_WORKLOAD > /sys/kernel/tracing/osnoise/options ~# echo timerlat > /sys/kernel/tracing/current_tracer ~# echo OSNOISE_WORKLOAD > /sys/kernel/tracing/osnoise/options ~# echo nop > /sys/kernel/tracing/current_tracer ~# echo NO_OSNOISE_WORKLOAD > /sys/kernel/tracing/osnoise/options ~# echo timerlat > /sys/kernel/tracing/current_tracer Triggers: ------------[ cut here ]------------ WARNING: CPU: 6 PID: 1337 at kernel/tracepoint.c:294 tracepoint_add_func+0x3b6/0x3f0 Modules linked in: CPU: 6 UID: 0 PID: 1337 Comm: rtla Not tainted 6.13.0-rc4-test-00018-ga867c441128e-dirty #73 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 RIP: 0010:tracepoint_add_func+0x3b6/0x3f0 Code: 48 8b 53 28 48 8b 73 20 4c 89 04 24 e8 23 59 11 00 4c 8b 04 24 e9 36 fe ff ff 0f 0b b8 ea ff ff ff 45 84 e4 0f 84 68 fe ff ff <0f> 0b e9 61 fe ff ff 48 8b 7b 18 48 85 ff 0f 84 4f ff ff ff 49 8b RSP: 0018:ffffb9b003a87ca0 EFLAGS: 00010202 RAX: 00000000ffffffef RBX: ffffffff92f30860 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffff9bf59e91ccd0 RDI: ffffffff913b6410 RBP: 000000000000000a R08: 00000000000005c7 R09: 0000000000000002 R10: ffffb9b003a87ce0 R11: 0000000000000002 R12: 0000000000000001 R13: ffffb9b003a87ce0 R14: ffffffffffffffef R15: 0000000000000008 FS: 00007fce81209240(0000) GS:ffff9bf6fdd00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055e99b728000 CR3: 00000001277c0002 CR4: 0000000000172ef0 Call Trace: <TASK> ? __warn.cold+0xb7/0x14d ? tracepoint_add_func+0x3b6/0x3f0 ? report_bug+0xea/0x170 ? handle_bug+0x58/0x90 ? exc_invalid_op+0x17/0x70 ? asm_exc_invalid_op+0x1a/0x20 ? __pfx_trace_sched_migrate_callback+0x10/0x10 ? tracepoint_add_func+0x3b6/0x3f0 ? __pfx_trace_sched_migrate_callback+0x10/0x10 ? __pfx_trace_sched_migrate_callback+0x10/0x10 tracepoint_probe_register+0x78/0xb0 ? __pfx_trace_sched_migrate_callback+0x10/0x10 osnoise_workload_start+0x2b5/0x370 timerlat_tracer_init+0x76/0x1b0 tracing_set_tracer+0x244/0x400 tracing_set_trace_write+0xa0/0xe0 vfs_write+0xfc/0x570 ? do_sys_openat2+0x9c/0xe0 ksys_write+0x72/0xf0 do_syscall_64+0x79/0x1c0 entry_SYSCALL_64_after_hwframe+0x76/0x7e
References
Impacted products
Vendor Product Version
Linux Linux Version: e88ed227f639ebcb31ed4e5b88756b47d904584b
Version: e88ed227f639ebcb31ed4e5b88756b47d904584b
Version: e88ed227f639ebcb31ed4e5b88756b47d904584b
Version: e88ed227f639ebcb31ed4e5b88756b47d904584b
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "kernel/trace/trace_osnoise.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
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              "lessThan": "ee8c4c39a8f97467d63adfe03bcd45139d8c8b53",
              "status": "affected",
              "version": "e88ed227f639ebcb31ed4e5b88756b47d904584b",
              "versionType": "git"
            },
            {
              "lessThan": "b45707c3c0671d9c49fa7b94c197a508aa55d16f",
              "status": "affected",
              "version": "e88ed227f639ebcb31ed4e5b88756b47d904584b",
              "versionType": "git"
            },
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              "lessThan": "e482cecd2305be1e3e6a8ee70c9b86c511484f7b",
              "status": "affected",
              "version": "e88ed227f639ebcb31ed4e5b88756b47d904584b",
              "versionType": "git"
            },
            {
              "lessThan": "e3ff4245928f948f3eb2e852aa350b870421c358",
              "status": "affected",
              "version": "e88ed227f639ebcb31ed4e5b88756b47d904584b",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "kernel/trace/trace_osnoise.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.5"
            },
            {
              "lessThan": "6.5",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.78",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.14",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.13.*",
              "status": "unaffected",
              "version": "6.13.3",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.14",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.78",
                  "versionStartIncluding": "6.5",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.14",
                  "versionStartIncluding": "6.5",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.13.3",
                  "versionStartIncluding": "6.5",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.14",
                  "versionStartIncluding": "6.5",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntracing/osnoise: Fix resetting of tracepoints\n\nIf a timerlat tracer is started with the osnoise option OSNOISE_WORKLOAD\ndisabled, but then that option is enabled and timerlat is removed, the\ntracepoints that were enabled on timerlat registration do not get\ndisabled. If the option is disabled again and timelat is started, then it\ntriggers a warning in the tracepoint code due to registering the\ntracepoint again without ever disabling it.\n\nDo not use the same user space defined options to know to disable the\ntracepoints when timerlat is removed. Instead, set a global flag when it\nis enabled and use that flag to know to disable the events.\n\n ~# echo NO_OSNOISE_WORKLOAD \u003e /sys/kernel/tracing/osnoise/options\n ~# echo timerlat \u003e /sys/kernel/tracing/current_tracer\n ~# echo OSNOISE_WORKLOAD \u003e /sys/kernel/tracing/osnoise/options\n ~# echo nop \u003e /sys/kernel/tracing/current_tracer\n ~# echo NO_OSNOISE_WORKLOAD \u003e /sys/kernel/tracing/osnoise/options\n ~# echo timerlat \u003e /sys/kernel/tracing/current_tracer\n\nTriggers:\n\n ------------[ cut here ]------------\n WARNING: CPU: 6 PID: 1337 at kernel/tracepoint.c:294 tracepoint_add_func+0x3b6/0x3f0\n Modules linked in:\n CPU: 6 UID: 0 PID: 1337 Comm: rtla Not tainted 6.13.0-rc4-test-00018-ga867c441128e-dirty #73\n Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014\n RIP: 0010:tracepoint_add_func+0x3b6/0x3f0\n Code: 48 8b 53 28 48 8b 73 20 4c 89 04 24 e8 23 59 11 00 4c 8b 04 24 e9 36 fe ff ff 0f 0b b8 ea ff ff ff 45 84 e4 0f 84 68 fe ff ff \u003c0f\u003e 0b e9 61 fe ff ff 48 8b 7b 18 48 85 ff 0f 84 4f ff ff ff 49 8b\n RSP: 0018:ffffb9b003a87ca0 EFLAGS: 00010202\n RAX: 00000000ffffffef RBX: ffffffff92f30860 RCX: 0000000000000000\n RDX: 0000000000000000 RSI: ffff9bf59e91ccd0 RDI: ffffffff913b6410\n RBP: 000000000000000a R08: 00000000000005c7 R09: 0000000000000002\n R10: ffffb9b003a87ce0 R11: 0000000000000002 R12: 0000000000000001\n R13: ffffb9b003a87ce0 R14: ffffffffffffffef R15: 0000000000000008\n FS:  00007fce81209240(0000) GS:ffff9bf6fdd00000(0000) knlGS:0000000000000000\n CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n CR2: 000055e99b728000 CR3: 00000001277c0002 CR4: 0000000000172ef0\n Call Trace:\n  \u003cTASK\u003e\n  ? __warn.cold+0xb7/0x14d\n  ? tracepoint_add_func+0x3b6/0x3f0\n  ? report_bug+0xea/0x170\n  ? handle_bug+0x58/0x90\n  ? exc_invalid_op+0x17/0x70\n  ? asm_exc_invalid_op+0x1a/0x20\n  ? __pfx_trace_sched_migrate_callback+0x10/0x10\n  ? tracepoint_add_func+0x3b6/0x3f0\n  ? __pfx_trace_sched_migrate_callback+0x10/0x10\n  ? __pfx_trace_sched_migrate_callback+0x10/0x10\n  tracepoint_probe_register+0x78/0xb0\n  ? __pfx_trace_sched_migrate_callback+0x10/0x10\n  osnoise_workload_start+0x2b5/0x370\n  timerlat_tracer_init+0x76/0x1b0\n  tracing_set_tracer+0x244/0x400\n  tracing_set_trace_write+0xa0/0xe0\n  vfs_write+0xfc/0x570\n  ? do_sys_openat2+0x9c/0xe0\n  ksys_write+0x72/0xf0\n  do_syscall_64+0x79/0x1c0\n  entry_SYSCALL_64_after_hwframe+0x76/0x7e"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-05-04T07:19:59.585Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/ee8c4c39a8f97467d63adfe03bcd45139d8c8b53"
        },
        {
          "url": "https://git.kernel.org/stable/c/b45707c3c0671d9c49fa7b94c197a508aa55d16f"
        },
        {
          "url": "https://git.kernel.org/stable/c/e482cecd2305be1e3e6a8ee70c9b86c511484f7b"
        },
        {
          "url": "https://git.kernel.org/stable/c/e3ff4245928f948f3eb2e852aa350b870421c358"
        }
      ],
      "title": "tracing/osnoise: Fix resetting of tracepoints",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2025-21733",
    "datePublished": "2025-02-27T02:12:11.145Z",
    "dateReserved": "2024-12-29T08:45:45.756Z",
    "dateUpdated": "2025-05-04T07:19:59.585Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2025-21733\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-02-27T03:15:13.923\",\"lastModified\":\"2025-02-27T03:15:13.923\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\ntracing/osnoise: Fix resetting of tracepoints\\n\\nIf a timerlat tracer is started with the osnoise option OSNOISE_WORKLOAD\\ndisabled, but then that option is enabled and timerlat is removed, the\\ntracepoints that were enabled on timerlat registration do not get\\ndisabled. If the option is disabled again and timelat is started, then it\\ntriggers a warning in the tracepoint code due to registering the\\ntracepoint again without ever disabling it.\\n\\nDo not use the same user space defined options to know to disable the\\ntracepoints when timerlat is removed. Instead, set a global flag when it\\nis enabled and use that flag to know to disable the events.\\n\\n ~# echo NO_OSNOISE_WORKLOAD \u003e /sys/kernel/tracing/osnoise/options\\n ~# echo timerlat \u003e /sys/kernel/tracing/current_tracer\\n ~# echo OSNOISE_WORKLOAD \u003e /sys/kernel/tracing/osnoise/options\\n ~# echo nop \u003e /sys/kernel/tracing/current_tracer\\n ~# echo NO_OSNOISE_WORKLOAD \u003e /sys/kernel/tracing/osnoise/options\\n ~# echo timerlat \u003e /sys/kernel/tracing/current_tracer\\n\\nTriggers:\\n\\n ------------[ cut here ]------------\\n WARNING: CPU: 6 PID: 1337 at kernel/tracepoint.c:294 tracepoint_add_func+0x3b6/0x3f0\\n Modules linked in:\\n CPU: 6 UID: 0 PID: 1337 Comm: rtla Not tainted 6.13.0-rc4-test-00018-ga867c441128e-dirty #73\\n Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014\\n RIP: 0010:tracepoint_add_func+0x3b6/0x3f0\\n Code: 48 8b 53 28 48 8b 73 20 4c 89 04 24 e8 23 59 11 00 4c 8b 04 24 e9 36 fe ff ff 0f 0b b8 ea ff ff ff 45 84 e4 0f 84 68 fe ff ff \u003c0f\u003e 0b e9 61 fe ff ff 48 8b 7b 18 48 85 ff 0f 84 4f ff ff ff 49 8b\\n RSP: 0018:ffffb9b003a87ca0 EFLAGS: 00010202\\n RAX: 00000000ffffffef RBX: ffffffff92f30860 RCX: 0000000000000000\\n RDX: 0000000000000000 RSI: ffff9bf59e91ccd0 RDI: ffffffff913b6410\\n RBP: 000000000000000a R08: 00000000000005c7 R09: 0000000000000002\\n R10: ffffb9b003a87ce0 R11: 0000000000000002 R12: 0000000000000001\\n R13: ffffb9b003a87ce0 R14: ffffffffffffffef R15: 0000000000000008\\n FS:  00007fce81209240(0000) GS:ffff9bf6fdd00000(0000) knlGS:0000000000000000\\n CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\\n CR2: 000055e99b728000 CR3: 00000001277c0002 CR4: 0000000000172ef0\\n Call Trace:\\n  \u003cTASK\u003e\\n  ? __warn.cold+0xb7/0x14d\\n  ? tracepoint_add_func+0x3b6/0x3f0\\n  ? report_bug+0xea/0x170\\n  ? handle_bug+0x58/0x90\\n  ? exc_invalid_op+0x17/0x70\\n  ? asm_exc_invalid_op+0x1a/0x20\\n  ? __pfx_trace_sched_migrate_callback+0x10/0x10\\n  ? tracepoint_add_func+0x3b6/0x3f0\\n  ? __pfx_trace_sched_migrate_callback+0x10/0x10\\n  ? __pfx_trace_sched_migrate_callback+0x10/0x10\\n  tracepoint_probe_register+0x78/0xb0\\n  ? __pfx_trace_sched_migrate_callback+0x10/0x10\\n  osnoise_workload_start+0x2b5/0x370\\n  timerlat_tracer_init+0x76/0x1b0\\n  tracing_set_tracer+0x244/0x400\\n  tracing_set_trace_write+0xa0/0xe0\\n  vfs_write+0xfc/0x570\\n  ? do_sys_openat2+0x9c/0xe0\\n  ksys_write+0x72/0xf0\\n  do_syscall_64+0x79/0x1c0\\n  entry_SYSCALL_64_after_hwframe+0x76/0x7e\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: tracing/osnoise: Arreglar el restablecimiento de los puntos de seguimiento Si se inicia un rastreador timerlat con la opci\u00f3n de osnoise OSNOISE_WORKLOAD deshabilitada, pero luego se habilita esa opci\u00f3n y se elimina timerlat, los puntos de seguimiento que se habilitaron en el registro de timerlat no se deshabilitan. Si la opci\u00f3n se deshabilita nuevamente y se inicia timelat, entonces se activa una advertencia en el c\u00f3digo del punto de seguimiento debido a que se registra nuevamente el punto de seguimiento sin deshabilitarlo nunca. No use las mismas opciones definidas en el espacio de usuario para saber que debe deshabilitar los puntos de seguimiento cuando se elimina timerlat. En su lugar, configure un indicador global cuando est\u00e9 habilitado y use ese indicador para saber que debe deshabilitar los eventos. ~# echo NO_OSNOISE_WORKLOAD \u0026gt; /sys/kernel/tracing/osnoise/options ~# echo timerlat \u0026gt; /sys/kernel/tracing/current_tracer ~# echo OSNOISE_WORKLOAD \u0026gt; /sys/kernel/tracing/osnoise/options ~# echo nop \u0026gt; /sys/kernel/tracing/current_tracer ~# echo NO_OSNOISE_WORKLOAD \u0026gt; /sys/kernel/tracing/osnoise/options ~# echo timerlat \u0026gt; /sys/kernel/tracing/current_tracer Desencadenadores: ------------[ cortar aqu\u00ed ]------------ ADVERTENCIA: CPU: 6 PID: 1337 en kernel/tracepoint.c:294 tracepoint_add_func+0x3b6/0x3f0 M\u00f3dulos vinculados: CPU: 6 UID: 0 PID: 1337 Comm: rtla No contaminado 6.13.0-rc4-test-00018-ga867c441128e-dirty #73 Nombre del hardware: PC est\u00e1ndar QEMU (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 01/04/2014 RIP: 0010:tracepoint_add_func+0x3b6/0x3f0 C\u00f3digo: 48 8b 53 28 48 8b 73 20 4c 89 04 24 e8 23 59 11 00 4c 8b 04 24 e9 36 fe ff ff 0f 0b b8 ea ff ff ff 45 84 e4 0f 84 68 fe ff ff \u0026lt;0f\u0026gt; 0b e9 61 fe ff ff 48 8b 7b 18 48 85 ff 0f 84 4f ff ff ff 49 8b RSP: 0018:ffffb9b003a87ca0 EFLAGS: 00010202 RAX: 00000000ffffffef RBX: ffffffff92f30860 RCX: 000000000000000 RDX: 000000000000000 RSI: ffff9bf59e91ccd0 RDI: ffffffff913b6410 RBP: 000000000000000a R08: 00000000000005c7 R09: 0000000000000002 R10: ffffb9b003a87ce0 R11: 0000000000000002 R12: 0000000000000001 R13: ffffb9b003a87ce0 R14: ffffffffffffffff R15: 0000000000000008 FS: 00007fce81209240(0000) GS:ffff9bf6fdd00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055e99b728000 CR3: 00000001277c0002 CR4: 0000000000172ef0 Seguimiento de llamadas:  ? __warn.cold+0xb7/0x14d ? tracepoint_add_func+0x3b6/0x3f0 ? report_bug+0xea/0x170 ? handle_bug+0x58/0x90 ? exc_invalid_op+0x17/0x70 ? asm_exc_invalid_op+0x1a/0x20 ? __pfx_trace_sched_migrate_callback+0x10/0x10 ? tracepoint_add_func+0x3b6/0x3f0 ? __pfx_trace_sched_migrate_callback+0x10/0x10 ? __pfx_trace_sched_migrate_callback+0x10/0x10 tracepoint_probe_register+0x78/0xb0 ? __pfx_trace_sched_migrate_callback+0x10/0x10 osnoise_workload_start+0x2b5/0x370 timerlat_tracer_init+0x76/0x1b0 tracing_set_tracer+0x244/0x400 tracing_set_trace_write+0xa0/0xe0 vfs_write+0xfc/0x570 ? do_sys_openat2+0x9c/0xe0 ksys_write+0x72/0xf0 do_syscall_64+0x79/0x1c0 entry_SYSCALL_64_after_hwframe+0x76/0x7e\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/b45707c3c0671d9c49fa7b94c197a508aa55d16f\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/e3ff4245928f948f3eb2e852aa350b870421c358\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/e482cecd2305be1e3e6a8ee70c9b86c511484f7b\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/ee8c4c39a8f97467d63adfe03bcd45139d8c8b53\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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