cve-2024-42253
Vulnerability from cvelistv5
Published
2024-08-08 08:46
Modified
2024-12-19 09:14
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: gpio: pca953x: fix pca953x_irq_bus_sync_unlock race Ensure that `i2c_lock' is held when setting interrupt latch and mask in pca953x_irq_bus_sync_unlock() in order to avoid races. The other (non-probe) call site pca953x_gpio_set_multiple() ensures the lock is held before calling pca953x_write_regs(). The problem occurred when a request raced against irq_bus_sync_unlock() approximately once per thousand reboots on an i.MX8MP based system. * Normal case 0-0022: write register AI|3a {03,02,00,00,01} Input latch P0 0-0022: write register AI|49 {fc,fd,ff,ff,fe} Interrupt mask P0 0-0022: write register AI|08 {ff,00,00,00,00} Output P3 0-0022: write register AI|12 {fc,00,00,00,00} Config P3 * Race case 0-0022: write register AI|08 {ff,00,00,00,00} Output P3 0-0022: write register AI|08 {03,02,00,00,01} *** Wrong register *** 0-0022: write register AI|12 {fc,00,00,00,00} Config P3 0-0022: write register AI|49 {fc,fd,ff,ff,fe} Interrupt mask P0
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/58a5c93bd1a6e949267400080f07e57ffe05ec34Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/bfc6444b57dc7186b6acc964705d7516cbaf3904Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/de7cffa53149c7b48bd1bb29b02390c9f05b7f41Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/e2ecdddca80dd845df42376e4b0197fe97018ba2Patch
Impacted products
Vendor Product Version
Linux Linux Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2024-42253",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-09-10T16:13:09.580370Z",
                "version": "2.0.3"
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          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
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        "title": "CISA ADP Vulnrichment"
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    "cna": {
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          "product": "Linux",
          "programFiles": [
            "drivers/gpio/gpio-pca953x.c"
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          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ngpio: pca953x: fix pca953x_irq_bus_sync_unlock race\n\nEnsure that `i2c_lock\u0027 is held when setting interrupt latch and mask in\npca953x_irq_bus_sync_unlock() in order to avoid races.\n\nThe other (non-probe) call site pca953x_gpio_set_multiple() ensures the\nlock is held before calling pca953x_write_regs().\n\nThe problem occurred when a request raced against irq_bus_sync_unlock()\napproximately once per thousand reboots on an i.MX8MP based system.\n\n * Normal case\n\n   0-0022: write register AI|3a {03,02,00,00,01} Input latch P0\n   0-0022: write register AI|49 {fc,fd,ff,ff,fe} Interrupt mask P0\n   0-0022: write register AI|08 {ff,00,00,00,00} Output P3\n   0-0022: write register AI|12 {fc,00,00,00,00} Config P3\n\n * Race case\n\n   0-0022: write register AI|08 {ff,00,00,00,00} Output P3\n   0-0022: write register AI|08 {03,02,00,00,01} *** Wrong register ***\n   0-0022: write register AI|12 {fc,00,00,00,00} Config P3\n   0-0022: write register AI|49 {fc,fd,ff,ff,fe} Interrupt mask P0"
        }
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      "providerMetadata": {
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        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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      "references": [
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        },
        {
          "url": "https://git.kernel.org/stable/c/de7cffa53149c7b48bd1bb29b02390c9f05b7f41"
        },
        {
          "url": "https://git.kernel.org/stable/c/bfc6444b57dc7186b6acc964705d7516cbaf3904"
        }
      ],
      "title": "gpio: pca953x: fix pca953x_irq_bus_sync_unlock race",
      "x_generator": {
        "engine": "bippy-5f407fcff5a0"
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  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2024-42253",
    "datePublished": "2024-08-08T08:46:29.284Z",
    "dateReserved": "2024-07-30T07:40:12.256Z",
    "dateUpdated": "2024-12-19T09:14:55.350Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
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El otro sitio de llamada (que no es de sonda) pca953x_gpio_set_multiple() garantiza que el bloqueo se mantenga antes de llamar a pca953x_write_regs(). El problema ocurri\u00f3 cuando una solicitud corri\u00f3 contra irq_bus_sync_unlock() aproximadamente una vez por cada mil reinicios en un sistema basado en i.MX8MP. * Caso normal 0-0022: escribir registro AI|3a {03,02,00,00,01} Enclavamiento de entrada P0 0-0022: escribir registro AI|49 {fc,fd,ff,ff,fe} M\u00e1scara de interrupci\u00f3n P0 0 -0022: escribir registro AI|08 {ff,00,00,00,00} Salida P3 0-0022: escribir registro AI|12 {fc,00,00,00,00} Configuraci\u00f3n P3 * Caso de ejecuci\u00f3n 0-0022: escribir registro AI|08 {ff,00,00,00,00} Salida P3 0-0022: escribir registro AI|08 {03,02,00,00,01} *** Registro incorrecto *** 0-0022: escribir registro AI|12 {fc,00,00,00,00} Config P3 0-0022: escribir registro AI|49 {fc,fd,ff,ff,fe} M\u00e1scara de interrupci\u00f3n P0\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":4.7,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.0,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-667\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"6.1.101\",\"matchCriteriaId\":\"BC2B5B53-6D0E-4FA7-B414-71D3FF089CAA\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.2\",\"versionEndExcluding\":\"6.6.42\",\"matchCriteriaId\":\"972274A2-D688-4C37-BE42-689B58B4C225\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.7\",\"versionEndExcluding\":\"6.9.11\",\"matchCriteriaId\":\"01E300B3-8B39-4A2D-8B03-4631433D3915\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.10:rc1:*:*:*:*:*:*\",\"matchCriteriaId\":\"2EBB4392-5FA6-4DA9-9772-8F9C750109FA\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.10:rc2:*:*:*:*:*:*\",\"matchCriteriaId\":\"331C2F14-12C7-45D5-893D-8C52EE38EA10\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.10:rc3:*:*:*:*:*:*\",\"matchCriteriaId\":\"3173713D-909A-4DD3-9DD4-1E171EB057EE\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.10:rc4:*:*:*:*:*:*\",\"matchCriteriaId\":\"79F18AFA-40F7-43F0-BA30-7BDB65F918B9\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.10:rc5:*:*:*:*:*:*\",\"matchCriteriaId\":\"BD973AA4-A789-49BD-8D57-B2846935D3C7\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/58a5c93bd1a6e949267400080f07e57ffe05ec34\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/bfc6444b57dc7186b6acc964705d7516cbaf3904\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/de7cffa53149c7b48bd1bb29b02390c9f05b7f41\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/e2ecdddca80dd845df42376e4b0197fe97018ba2\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}",
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2024-42253\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-09-10T16:13:09.580370Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-09-11T12:42:24.064Z\"}}], \"cna\": {\"title\": \"gpio: pca953x: fix pca953x_irq_bus_sync_unlock race\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2\", \"lessThan\": \"58a5c93bd1a6e949267400080f07e57ffe05ec34\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2\", \"lessThan\": \"e2ecdddca80dd845df42376e4b0197fe97018ba2\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2\", \"lessThan\": \"de7cffa53149c7b48bd1bb29b02390c9f05b7f41\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2\", \"lessThan\": \"bfc6444b57dc7186b6acc964705d7516cbaf3904\", \"versionType\": \"git\"}], \"programFiles\": [\"drivers/gpio/gpio-pca953x.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"6.1.101\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.1.*\"}, {\"status\": \"unaffected\", \"version\": \"6.6.42\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.6.*\"}, {\"status\": \"unaffected\", \"version\": \"6.9.11\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.9.*\"}, {\"status\": \"unaffected\", \"version\": \"6.10\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"drivers/gpio/gpio-pca953x.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/58a5c93bd1a6e949267400080f07e57ffe05ec34\"}, {\"url\": \"https://git.kernel.org/stable/c/e2ecdddca80dd845df42376e4b0197fe97018ba2\"}, {\"url\": \"https://git.kernel.org/stable/c/de7cffa53149c7b48bd1bb29b02390c9f05b7f41\"}, {\"url\": \"https://git.kernel.org/stable/c/bfc6444b57dc7186b6acc964705d7516cbaf3904\"}], \"x_generator\": {\"engine\": \"bippy-5f407fcff5a0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\ngpio: pca953x: fix pca953x_irq_bus_sync_unlock race\\n\\nEnsure that `i2c_lock\u0027 is held when setting interrupt latch and mask in\\npca953x_irq_bus_sync_unlock() in order to avoid races.\\n\\nThe other (non-probe) call site pca953x_gpio_set_multiple() ensures the\\nlock is held before calling pca953x_write_regs().\\n\\nThe problem occurred when a request raced against irq_bus_sync_unlock()\\napproximately once per thousand reboots on an i.MX8MP based system.\\n\\n * Normal case\\n\\n   0-0022: write register AI|3a {03,02,00,00,01} Input latch P0\\n   0-0022: write register AI|49 {fc,fd,ff,ff,fe} Interrupt mask P0\\n   0-0022: write register AI|08 {ff,00,00,00,00} Output P3\\n   0-0022: write register AI|12 {fc,00,00,00,00} Config P3\\n\\n * Race case\\n\\n   0-0022: write register AI|08 {ff,00,00,00,00} Output P3\\n   0-0022: write register AI|08 {03,02,00,00,01} *** Wrong register ***\\n   0-0022: write register AI|12 {fc,00,00,00,00} Config P3\\n   0-0022: write register AI|49 {fc,fd,ff,ff,fe} Interrupt mask P0\"}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2024-12-19T09:14:55.350Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-42253\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2024-12-19T09:14:55.350Z\", \"dateReserved\": \"2024-07-30T07:40:12.256Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-08-08T08:46:29.284Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
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  }
}


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