cve-2024-56556
Vulnerability from cvelistv5
Published
2024-12-27 14:23
Modified
2025-02-10 17:21
Summary
In the Linux kernel, the following vulnerability has been resolved: binder: fix node UAF in binder_add_freeze_work() In binder_add_freeze_work() we iterate over the proc->nodes with the proc->inner_lock held. However, this lock is temporarily dropped in order to acquire the node->lock first (lock nesting order). This can race with binder_node_release() and trigger a use-after-free: ================================================================== BUG: KASAN: slab-use-after-free in _raw_spin_lock+0xe4/0x19c Write of size 4 at addr ffff53c04c29dd04 by task freeze/640 CPU: 5 UID: 0 PID: 640 Comm: freeze Not tainted 6.11.0-07343-ga727812a8d45 #17 Hardware name: linux,dummy-virt (DT) Call trace: _raw_spin_lock+0xe4/0x19c binder_add_freeze_work+0x148/0x478 binder_ioctl+0x1e70/0x25ac __arm64_sys_ioctl+0x124/0x190 Allocated by task 637: __kmalloc_cache_noprof+0x12c/0x27c binder_new_node+0x50/0x700 binder_transaction+0x35ac/0x6f74 binder_thread_write+0xfb8/0x42a0 binder_ioctl+0x18f0/0x25ac __arm64_sys_ioctl+0x124/0x190 Freed by task 637: kfree+0xf0/0x330 binder_thread_read+0x1e88/0x3a68 binder_ioctl+0x16d8/0x25ac __arm64_sys_ioctl+0x124/0x190 ================================================================== Fix the race by taking a temporary reference on the node before releasing the proc->inner lock. This ensures the node remains alive while in use.
Impacted products
Vendor Product Version
Linux Linux Version: d579b04a52a183db47dfcb7a44304d7747d551e1
Version: d579b04a52a183db47dfcb7a44304d7747d551e1
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   Linux Linux Version: 6.12
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Show details on NVD website


{
   containers: {
      adp: [
         {
            metrics: [
               {
                  cvssV3_1: {
                     attackComplexity: "LOW",
                     attackVector: "LOCAL",
                     availabilityImpact: "HIGH",
                     baseScore: 7.8,
                     baseSeverity: "HIGH",
                     confidentialityImpact: "HIGH",
                     integrityImpact: "HIGH",
                     privilegesRequired: "LOW",
                     scope: "UNCHANGED",
                     userInteraction: "NONE",
                     vectorString: "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                     version: "3.1",
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                  other: {
                     content: {
                        id: "CVE-2024-56556",
                        options: [
                           {
                              Exploitation: "none",
                           },
                           {
                              Automatable: "no",
                           },
                           {
                              "Technical Impact": "total",
                           },
                        ],
                        role: "CISA Coordinator",
                        timestamp: "2025-02-10T17:12:44.371493Z",
                        version: "2.0.3",
                     },
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                  },
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            problemTypes: [
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                  descriptions: [
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                        description: "CWE-416 Use After Free",
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               orgId: "134c704f-9b21-4f2e-91b3-4a467353bcc0",
               shortName: "CISA-ADP",
            },
            title: "CISA ADP Vulnrichment",
         },
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      cna: {
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            {
               defaultStatus: "unaffected",
               product: "Linux",
               programFiles: [
                  "drivers/android/binder.c",
               ],
               repo: "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               vendor: "Linux",
               versions: [
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               repo: "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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                     version: "0",
                     versionType: "semver",
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                     status: "unaffected",
                     version: "6.12.4",
                     versionType: "semver",
                  },
                  {
                     lessThanOrEqual: "*",
                     status: "unaffected",
                     version: "6.13",
                     versionType: "original_commit_for_fix",
                  },
               ],
            },
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         descriptions: [
            {
               lang: "en",
               value: "In the Linux kernel, the following vulnerability has been resolved:\n\nbinder: fix node UAF in binder_add_freeze_work()\n\nIn binder_add_freeze_work() we iterate over the proc->nodes with the\nproc->inner_lock held. However, this lock is temporarily dropped in\norder to acquire the node->lock first (lock nesting order). This can\nrace with binder_node_release() and trigger a use-after-free:\n\n  ==================================================================\n  BUG: KASAN: slab-use-after-free in _raw_spin_lock+0xe4/0x19c\n  Write of size 4 at addr ffff53c04c29dd04 by task freeze/640\n\n  CPU: 5 UID: 0 PID: 640 Comm: freeze Not tainted 6.11.0-07343-ga727812a8d45 #17\n  Hardware name: linux,dummy-virt (DT)\n  Call trace:\n   _raw_spin_lock+0xe4/0x19c\n   binder_add_freeze_work+0x148/0x478\n   binder_ioctl+0x1e70/0x25ac\n   __arm64_sys_ioctl+0x124/0x190\n\n  Allocated by task 637:\n   __kmalloc_cache_noprof+0x12c/0x27c\n   binder_new_node+0x50/0x700\n   binder_transaction+0x35ac/0x6f74\n   binder_thread_write+0xfb8/0x42a0\n   binder_ioctl+0x18f0/0x25ac\n   __arm64_sys_ioctl+0x124/0x190\n\n  Freed by task 637:\n   kfree+0xf0/0x330\n   binder_thread_read+0x1e88/0x3a68\n   binder_ioctl+0x16d8/0x25ac\n   __arm64_sys_ioctl+0x124/0x190\n  ==================================================================\n\nFix the race by taking a temporary reference on the node before\nreleasing the proc->inner lock. This ensures the node remains alive\nwhile in use.",
            },
         ],
         providerMetadata: {
            dateUpdated: "2025-01-20T06:22:55.720Z",
            orgId: "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            shortName: "Linux",
         },
         references: [
            {
               url: "https://git.kernel.org/stable/c/38fbefeb2c140b581ed7de8117a5c90d6dd89c22",
            },
            {
               url: "https://git.kernel.org/stable/c/dc8aea47b928cc153b591b3558829ce42f685074",
            },
         ],
         title: "binder: fix node UAF in binder_add_freeze_work()",
         x_generator: {
            engine: "bippy-5f407fcff5a0",
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   cveMetadata: {
      assignerOrgId: "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      assignerShortName: "Linux",
      cveId: "CVE-2024-56556",
      datePublished: "2024-12-27T14:23:02.556Z",
      dateReserved: "2024-12-27T14:03:05.991Z",
      dateUpdated: "2025-02-10T17:21:08.457Z",
      state: "PUBLISHED",
   },
   dataType: "CVE_RECORD",
   dataVersion: "5.1",
   "vulnerability-lookup:meta": {
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This can\\nrace with binder_node_release() and trigger a use-after-free:\\n\\n  ==================================================================\\n  BUG: KASAN: slab-use-after-free in _raw_spin_lock+0xe4/0x19c\\n  Write of size 4 at addr ffff53c04c29dd04 by task freeze/640\\n\\n  CPU: 5 UID: 0 PID: 640 Comm: freeze Not tainted 6.11.0-07343-ga727812a8d45 #17\\n  Hardware name: linux,dummy-virt (DT)\\n  Call trace:\\n   _raw_spin_lock+0xe4/0x19c\\n   binder_add_freeze_work+0x148/0x478\\n   binder_ioctl+0x1e70/0x25ac\\n   __arm64_sys_ioctl+0x124/0x190\\n\\n  Allocated by task 637:\\n   __kmalloc_cache_noprof+0x12c/0x27c\\n   binder_new_node+0x50/0x700\\n   binder_transaction+0x35ac/0x6f74\\n   binder_thread_write+0xfb8/0x42a0\\n   binder_ioctl+0x18f0/0x25ac\\n   __arm64_sys_ioctl+0x124/0x190\\n\\n  Freed by task 637:\\n   kfree+0xf0/0x330\\n   binder_thread_read+0x1e88/0x3a68\\n   binder_ioctl+0x16d8/0x25ac\\n   __arm64_sys_ioctl+0x124/0x190\\n  ==================================================================\\n\\nFix the race by taking a temporary reference on the node before\\nreleasing the proc->inner lock. This ensures the node remains alive\\nwhile in use.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: binder: reparar el UAF del nodo en binder_add_freeze_work() En binder_add_freeze_work() iteramos sobre proc->nodes con el proc->inner_lock retenido. Sin embargo, este bloqueo se elimina temporalmente para adquirir primero el node->lock (orden de anidamiento de bloqueos). Esto puede competir con binder_node_release() y activar un use-after-free: ====================================================================== ERROR: KASAN: use-after-free de losa en _raw_spin_lock+0xe4/0x19c Escritura de tamaño 4 en la dirección ffff53c04c29dd04 por la tarea freeze/640 CPU: 5 UID: 0 PID: 640 Comm: freeze No contaminado 6.11.0-07343-ga727812a8d45 #17 Nombre del hardware: linux,dummy-virt (DT) Rastreo de llamadas: _raw_spin_lock+0xe4/0x19c binder_add_freeze_work+0x148/0x478 binder_ioctl+0x1e70/0x25ac __arm64_sys_ioctl+0x124/0x190 Asignado por la tarea 637: __kmalloc_cache_noprof+0x12c/0x27c binder_new_node+0x50/0x700 binder_transaction+0x35ac/0x6f74 binder_thread_write+0xfb8/0x42a0 binder_ioctl+0x18f0/0x25ac __arm64_sys_ioctl+0x124/0x190 Liberado por la tarea 637: kfree+0xf0/0x330 binder_thread_read+0x1e88/0x3a68 binder_ioctl+0x16d8/0x25ac __arm64_sys_ioctl+0x124/0x190 == ...\"}],\"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:H/I:H/A:H\",\"baseScore\":7.0,\"baseSeverity\":\"HIGH\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.0,\"impactScore\":5.9},{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":7.8,\"baseSeverity\":\"HIGH\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":5.9}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-362\"},{\"lang\":\"en\",\"value\":\"CWE-416\"}]},{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-416\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.12\",\"versionEndExcluding\":\"6.12.4\",\"matchCriteriaId\":\"938626A1-5477-4679-A5E2-2AADE66DEDCA\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/38fbefeb2c140b581ed7de8117a5c90d6dd89c22\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/dc8aea47b928cc153b591b3558829ce42f685074\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}",
      vulnrichment: {
         containers: "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 7.8, \"attackVector\": \"LOCAL\", \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\", \"integrityImpact\": \"HIGH\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"LOW\", \"confidentialityImpact\": \"HIGH\"}}, {\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2024-56556\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"total\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-02-10T17:12:44.371493Z\"}}}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-416\", \"description\": \"CWE-416 Use After Free\"}]}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2025-02-10T17:12:45.791Z\"}}], \"cna\": {\"title\": \"binder: fix node UAF in binder_add_freeze_work()\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"d579b04a52a183db47dfcb7a44304d7747d551e1\", \"lessThan\": \"38fbefeb2c140b581ed7de8117a5c90d6dd89c22\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"d579b04a52a183db47dfcb7a44304d7747d551e1\", \"lessThan\": \"dc8aea47b928cc153b591b3558829ce42f685074\", \"versionType\": \"git\"}], \"programFiles\": [\"drivers/android/binder.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"6.12\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"6.12\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"6.12.4\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.12.*\"}, {\"status\": \"unaffected\", \"version\": \"6.13\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"drivers/android/binder.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/38fbefeb2c140b581ed7de8117a5c90d6dd89c22\"}, {\"url\": \"https://git.kernel.org/stable/c/dc8aea47b928cc153b591b3558829ce42f685074\"}], \"x_generator\": {\"engine\": \"bippy-5f407fcff5a0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nbinder: fix node UAF in binder_add_freeze_work()\\n\\nIn binder_add_freeze_work() we iterate over the proc->nodes with the\\nproc->inner_lock held. However, this lock is temporarily dropped in\\norder to acquire the node->lock first (lock nesting order). This can\\nrace with binder_node_release() and trigger a use-after-free:\\n\\n  ==================================================================\\n  BUG: KASAN: slab-use-after-free in _raw_spin_lock+0xe4/0x19c\\n  Write of size 4 at addr ffff53c04c29dd04 by task freeze/640\\n\\n  CPU: 5 UID: 0 PID: 640 Comm: freeze Not tainted 6.11.0-07343-ga727812a8d45 #17\\n  Hardware name: linux,dummy-virt (DT)\\n  Call trace:\\n   _raw_spin_lock+0xe4/0x19c\\n   binder_add_freeze_work+0x148/0x478\\n   binder_ioctl+0x1e70/0x25ac\\n   __arm64_sys_ioctl+0x124/0x190\\n\\n  Allocated by task 637:\\n   __kmalloc_cache_noprof+0x12c/0x27c\\n   binder_new_node+0x50/0x700\\n   binder_transaction+0x35ac/0x6f74\\n   binder_thread_write+0xfb8/0x42a0\\n   binder_ioctl+0x18f0/0x25ac\\n   __arm64_sys_ioctl+0x124/0x190\\n\\n  Freed by task 637:\\n   kfree+0xf0/0x330\\n   binder_thread_read+0x1e88/0x3a68\\n   binder_ioctl+0x16d8/0x25ac\\n   __arm64_sys_ioctl+0x124/0x190\\n  ==================================================================\\n\\nFix the race by taking a temporary reference on the node before\\nreleasing the proc->inner lock. This ensures the node remains alive\\nwhile in use.\"}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2025-01-20T06:22:55.720Z\"}}}",
         cveMetadata: "{\"cveId\": \"CVE-2024-56556\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-02-10T17:21:08.457Z\", \"dateReserved\": \"2024-12-27T14:03:05.991Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-12-27T14:23:02.556Z\", \"assignerShortName\": \"Linux\"}",
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}


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