cve-2024-38608
Vulnerability from cvelistv5
Published
2024-06-19 13:56
Modified
2024-12-19 09:05
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Fix netif state handling mlx5e_suspend cleans resources only if netif_device_present() returns true. However, mlx5e_resume changes the state of netif, via mlx5e_nic_enable, only if reg_state == NETREG_REGISTERED. In the below case, the above leads to NULL-ptr Oops[1] and memory leaks: mlx5e_probe _mlx5e_resume mlx5e_attach_netdev mlx5e_nic_enable <-- netdev not reg, not calling netif_device_attach() register_netdev <-- failed for some reason. ERROR_FLOW: _mlx5e_suspend <-- netif_device_present return false, resources aren't freed :( Hence, clean resources in this case as well. [1] BUG: kernel NULL pointer dereference, address: 0000000000000000 PGD 0 P4D 0 Oops: 0010 [#1] SMP CPU: 2 PID: 9345 Comm: test-ovs-ct-gen Not tainted 6.5.0_for_upstream_min_debug_2023_09_05_16_01 #1 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.13.0-0-gf21b5a4aeb02-prebuilt.qemu.org 04/01/2014 RIP: 0010:0x0 Code: Unable to access opcode bytes at0xffffffffffffffd6. RSP: 0018:ffff888178aaf758 EFLAGS: 00010246 Call Trace: <TASK> ? __die+0x20/0x60 ? page_fault_oops+0x14c/0x3c0 ? exc_page_fault+0x75/0x140 ? asm_exc_page_fault+0x22/0x30 notifier_call_chain+0x35/0xb0 blocking_notifier_call_chain+0x3d/0x60 mlx5_blocking_notifier_call_chain+0x22/0x30 [mlx5_core] mlx5_core_uplink_netdev_event_replay+0x3e/0x60 [mlx5_core] mlx5_mdev_netdev_track+0x53/0x60 [mlx5_ib] mlx5_ib_roce_init+0xc3/0x340 [mlx5_ib] __mlx5_ib_add+0x34/0xd0 [mlx5_ib] mlx5r_probe+0xe1/0x210 [mlx5_ib] ? auxiliary_match_id+0x6a/0x90 auxiliary_bus_probe+0x38/0x80 ? driver_sysfs_add+0x51/0x80 really_probe+0xc9/0x3e0 ? driver_probe_device+0x90/0x90 __driver_probe_device+0x80/0x160 driver_probe_device+0x1e/0x90 __device_attach_driver+0x7d/0x100 bus_for_each_drv+0x80/0xd0 __device_attach+0xbc/0x1f0 bus_probe_device+0x86/0xa0 device_add+0x637/0x840 __auxiliary_device_add+0x3b/0xa0 add_adev+0xc9/0x140 [mlx5_core] mlx5_rescan_drivers_locked+0x22a/0x310 [mlx5_core] mlx5_register_device+0x53/0xa0 [mlx5_core] mlx5_init_one_devl_locked+0x5c4/0x9c0 [mlx5_core] mlx5_init_one+0x3b/0x60 [mlx5_core] probe_one+0x44c/0x730 [mlx5_core] local_pci_probe+0x3e/0x90 pci_device_probe+0xbf/0x210 ? kernfs_create_link+0x5d/0xa0 ? sysfs_do_create_link_sd+0x60/0xc0 really_probe+0xc9/0x3e0 ? driver_probe_device+0x90/0x90 __driver_probe_device+0x80/0x160 driver_probe_device+0x1e/0x90 __device_attach_driver+0x7d/0x100 bus_for_each_drv+0x80/0xd0 __device_attach+0xbc/0x1f0 pci_bus_add_device+0x54/0x80 pci_iov_add_virtfn+0x2e6/0x320 sriov_enable+0x208/0x420 mlx5_core_sriov_configure+0x9e/0x200 [mlx5_core] sriov_numvfs_store+0xae/0x1a0 kernfs_fop_write_iter+0x10c/0x1a0 vfs_write+0x291/0x3c0 ksys_write+0x5f/0xe0 do_syscall_64+0x3d/0x90 entry_SYSCALL_64_after_hwframe+0x46/0xb0 CR2: 0000000000000000 ---[ end trace 0000000000000000 ]---
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/3d5918477f94e4c2f064567875c475468e264644Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/f7e6cfb864a53af71c5cc904f1cc22215d68f5c6Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/3d5918477f94e4c2f064567875c475468e264644Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/f7e6cfb864a53af71c5cc904f1cc22215d68f5c6Patch
Impacted products
Vendor Product Version
Linux Linux Version: 4.12
Show details on NVD website

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                "id": "CVE-2024-38608",
                "options": [
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                    "Automatable": "no"
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                    "Technical Impact": "partial"
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                "role": "CISA Coordinator",
                "timestamp": "2024-06-20T19:44:05.361644Z",
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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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          "dateUpdated": "2024-08-02T04:12:25.957Z",
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            "url": "https://git.kernel.org/stable/c/3d5918477f94e4c2f064567875c475468e264644"
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        "title": "CVE Program Container"
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    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/ethernet/mellanox/mlx5/core/en_main.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
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              "lessThan": "f7e6cfb864a53af71c5cc904f1cc22215d68f5c6",
              "status": "affected",
              "version": "2c3b5beec46ab0d77c94828eb15170b333ae769a",
              "versionType": "git"
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            {
              "lessThan": "3d5918477f94e4c2f064567875c475468e264644",
              "status": "affected",
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              "versionType": "git"
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          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/ethernet/mellanox/mlx5/core/en_main.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "4.12"
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              "lessThan": "4.12",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
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            {
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              "status": "unaffected",
              "version": "6.9.3",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.10",
              "versionType": "original_commit_for_fix"
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      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/mlx5e: Fix netif state handling\n\nmlx5e_suspend cleans resources only if netif_device_present() returns\ntrue. However, mlx5e_resume changes the state of netif, via\nmlx5e_nic_enable, only if reg_state == NETREG_REGISTERED.\nIn the below case, the above leads to NULL-ptr Oops[1] and memory\nleaks:\n\nmlx5e_probe\n _mlx5e_resume\n  mlx5e_attach_netdev\n   mlx5e_nic_enable  \u003c-- netdev not reg, not calling netif_device_attach()\n  register_netdev \u003c-- failed for some reason.\nERROR_FLOW:\n _mlx5e_suspend \u003c-- netif_device_present return false, resources aren\u0027t freed :(\n\nHence, clean resources in this case as well.\n\n[1]\nBUG: kernel NULL pointer dereference, address: 0000000000000000\nPGD 0 P4D 0\nOops: 0010 [#1] SMP\nCPU: 2 PID: 9345 Comm: test-ovs-ct-gen Not tainted 6.5.0_for_upstream_min_debug_2023_09_05_16_01 #1\nHardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.13.0-0-gf21b5a4aeb02-prebuilt.qemu.org 04/01/2014\nRIP: 0010:0x0\nCode: Unable to access opcode bytes at0xffffffffffffffd6.\nRSP: 0018:ffff888178aaf758 EFLAGS: 00010246\nCall Trace:\n \u003cTASK\u003e\n ? __die+0x20/0x60\n ? page_fault_oops+0x14c/0x3c0\n ? exc_page_fault+0x75/0x140\n ? asm_exc_page_fault+0x22/0x30\n notifier_call_chain+0x35/0xb0\n blocking_notifier_call_chain+0x3d/0x60\n mlx5_blocking_notifier_call_chain+0x22/0x30 [mlx5_core]\n mlx5_core_uplink_netdev_event_replay+0x3e/0x60 [mlx5_core]\n mlx5_mdev_netdev_track+0x53/0x60 [mlx5_ib]\n mlx5_ib_roce_init+0xc3/0x340 [mlx5_ib]\n __mlx5_ib_add+0x34/0xd0 [mlx5_ib]\n mlx5r_probe+0xe1/0x210 [mlx5_ib]\n ? auxiliary_match_id+0x6a/0x90\n auxiliary_bus_probe+0x38/0x80\n ? driver_sysfs_add+0x51/0x80\n really_probe+0xc9/0x3e0\n ? driver_probe_device+0x90/0x90\n __driver_probe_device+0x80/0x160\n driver_probe_device+0x1e/0x90\n __device_attach_driver+0x7d/0x100\n bus_for_each_drv+0x80/0xd0\n __device_attach+0xbc/0x1f0\n bus_probe_device+0x86/0xa0\n device_add+0x637/0x840\n __auxiliary_device_add+0x3b/0xa0\n add_adev+0xc9/0x140 [mlx5_core]\n mlx5_rescan_drivers_locked+0x22a/0x310 [mlx5_core]\n mlx5_register_device+0x53/0xa0 [mlx5_core]\n mlx5_init_one_devl_locked+0x5c4/0x9c0 [mlx5_core]\n mlx5_init_one+0x3b/0x60 [mlx5_core]\n probe_one+0x44c/0x730 [mlx5_core]\n local_pci_probe+0x3e/0x90\n pci_device_probe+0xbf/0x210\n ? kernfs_create_link+0x5d/0xa0\n ? sysfs_do_create_link_sd+0x60/0xc0\n really_probe+0xc9/0x3e0\n ? driver_probe_device+0x90/0x90\n __driver_probe_device+0x80/0x160\n driver_probe_device+0x1e/0x90\n __device_attach_driver+0x7d/0x100\n bus_for_each_drv+0x80/0xd0\n __device_attach+0xbc/0x1f0\n pci_bus_add_device+0x54/0x80\n pci_iov_add_virtfn+0x2e6/0x320\n sriov_enable+0x208/0x420\n mlx5_core_sriov_configure+0x9e/0x200 [mlx5_core]\n sriov_numvfs_store+0xae/0x1a0\n kernfs_fop_write_iter+0x10c/0x1a0\n vfs_write+0x291/0x3c0\n ksys_write+0x5f/0xe0\n do_syscall_64+0x3d/0x90\n entry_SYSCALL_64_after_hwframe+0x46/0xb0\n CR2: 0000000000000000\n ---[ end trace 0000000000000000  ]---"
        }
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      "providerMetadata": {
        "dateUpdated": "2024-12-19T09:05:33.081Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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      "references": [
        {
          "url": "https://git.kernel.org/stable/c/f7e6cfb864a53af71c5cc904f1cc22215d68f5c6"
        },
        {
          "url": "https://git.kernel.org/stable/c/3d5918477f94e4c2f064567875c475468e264644"
        }
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      "title": "net/mlx5e: Fix netif state handling",
      "x_generator": {
        "engine": "bippy-5f407fcff5a0"
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  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2024-38608",
    "datePublished": "2024-06-19T13:56:10.614Z",
    "dateReserved": "2024-06-18T19:36:34.941Z",
    "dateUpdated": "2024-12-19T09:05:33.081Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2024-38608\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-06-19T14:15:20.737\",\"lastModified\":\"2024-11-21T09:26:28.400\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nnet/mlx5e: Fix netif state handling\\n\\nmlx5e_suspend cleans resources only if netif_device_present() returns\\ntrue. However, mlx5e_resume changes the state of netif, via\\nmlx5e_nic_enable, only if reg_state == NETREG_REGISTERED.\\nIn the below case, the above leads to NULL-ptr Oops[1] and memory\\nleaks:\\n\\nmlx5e_probe\\n _mlx5e_resume\\n  mlx5e_attach_netdev\\n   mlx5e_nic_enable  \u003c-- netdev not reg, not calling netif_device_attach()\\n  register_netdev \u003c-- failed for some reason.\\nERROR_FLOW:\\n _mlx5e_suspend \u003c-- netif_device_present return false, resources aren\u0027t freed :(\\n\\nHence, clean resources in this case as well.\\n\\n[1]\\nBUG: kernel NULL pointer dereference, address: 0000000000000000\\nPGD 0 P4D 0\\nOops: 0010 [#1] SMP\\nCPU: 2 PID: 9345 Comm: test-ovs-ct-gen Not tainted 6.5.0_for_upstream_min_debug_2023_09_05_16_01 #1\\nHardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.13.0-0-gf21b5a4aeb02-prebuilt.qemu.org 04/01/2014\\nRIP: 0010:0x0\\nCode: Unable to access opcode bytes at0xffffffffffffffd6.\\nRSP: 0018:ffff888178aaf758 EFLAGS: 00010246\\nCall Trace:\\n \u003cTASK\u003e\\n ? __die+0x20/0x60\\n ? page_fault_oops+0x14c/0x3c0\\n ? exc_page_fault+0x75/0x140\\n ? asm_exc_page_fault+0x22/0x30\\n notifier_call_chain+0x35/0xb0\\n blocking_notifier_call_chain+0x3d/0x60\\n mlx5_blocking_notifier_call_chain+0x22/0x30 [mlx5_core]\\n mlx5_core_uplink_netdev_event_replay+0x3e/0x60 [mlx5_core]\\n mlx5_mdev_netdev_track+0x53/0x60 [mlx5_ib]\\n mlx5_ib_roce_init+0xc3/0x340 [mlx5_ib]\\n __mlx5_ib_add+0x34/0xd0 [mlx5_ib]\\n mlx5r_probe+0xe1/0x210 [mlx5_ib]\\n ? auxiliary_match_id+0x6a/0x90\\n auxiliary_bus_probe+0x38/0x80\\n ? driver_sysfs_add+0x51/0x80\\n really_probe+0xc9/0x3e0\\n ? driver_probe_device+0x90/0x90\\n __driver_probe_device+0x80/0x160\\n driver_probe_device+0x1e/0x90\\n __device_attach_driver+0x7d/0x100\\n bus_for_each_drv+0x80/0xd0\\n __device_attach+0xbc/0x1f0\\n bus_probe_device+0x86/0xa0\\n device_add+0x637/0x840\\n __auxiliary_device_add+0x3b/0xa0\\n add_adev+0xc9/0x140 [mlx5_core]\\n mlx5_rescan_drivers_locked+0x22a/0x310 [mlx5_core]\\n mlx5_register_device+0x53/0xa0 [mlx5_core]\\n mlx5_init_one_devl_locked+0x5c4/0x9c0 [mlx5_core]\\n mlx5_init_one+0x3b/0x60 [mlx5_core]\\n probe_one+0x44c/0x730 [mlx5_core]\\n local_pci_probe+0x3e/0x90\\n pci_device_probe+0xbf/0x210\\n ? kernfs_create_link+0x5d/0xa0\\n ? sysfs_do_create_link_sd+0x60/0xc0\\n really_probe+0xc9/0x3e0\\n ? driver_probe_device+0x90/0x90\\n __driver_probe_device+0x80/0x160\\n driver_probe_device+0x1e/0x90\\n __device_attach_driver+0x7d/0x100\\n bus_for_each_drv+0x80/0xd0\\n __device_attach+0xbc/0x1f0\\n pci_bus_add_device+0x54/0x80\\n pci_iov_add_virtfn+0x2e6/0x320\\n sriov_enable+0x208/0x420\\n mlx5_core_sriov_configure+0x9e/0x200 [mlx5_core]\\n sriov_numvfs_store+0xae/0x1a0\\n kernfs_fop_write_iter+0x10c/0x1a0\\n vfs_write+0x291/0x3c0\\n ksys_write+0x5f/0xe0\\n do_syscall_64+0x3d/0x90\\n entry_SYSCALL_64_after_hwframe+0x46/0xb0\\n CR2: 0000000000000000\\n ---[ end trace 0000000000000000  ]---\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: net/mlx5e: corrige el manejo del estado de netif. mlx5e_suspend limpia los recursos solo si netif_device_present() devuelve verdadero. Sin embargo, mlx5e_resume cambia el estado de netif, a trav\u00e9s de mlx5e_nic_enable, solo si reg_state == NETREG_REGISTERED. En el siguiente caso, lo anterior conduce a NULL-ptr Ups[1] y p\u00e9rdidas de memoria: mlx5e_probe _mlx5e_resume mlx5e_attach_netdev mlx5e_nic_enable \u0026lt;-- netdev no se registra, no llama a netif_device_attach() Register_netdev \u0026lt;-- fall\u00f3 por alg\u00fan motivo. ERROR_FLOW: _mlx5e_suspend \u0026lt;-- netif_device_present devuelve falso, los recursos no se liberan :( Por lo tanto, limpie los recursos en este caso tambi\u00e9n. [1] ERROR: desreferencia del puntero NULL del kernel, direcci\u00f3n: 00000000000000000 PGD 0 P4D 0 Ups: 0010 [#1 ] SMP CPU: 2 PID: 9345 Comm: test-ovs-ct-gen Not tainted 6.5.0_for_upstream_min_debug_2023_09_05_16_01 #1 Nombre del hardware: PC est\u00e1ndar QEMU (Q35 + ICH9, 2009), BIOS rel-1.13.0-0-gf21b5a4aeb02-prebuild .qemu.org 01/04/2014 RIP: 0010:0x0 C\u00f3digo: No se puede acceder a los bytes del c\u00f3digo de operaci\u00f3n at0xffffffffffffffd6 RSP: 0018:ffff888178aaf758 EFLAGS: 00010246 Seguimiento de llamadas:  __die+0x20/0x60 +0x14c/0x3c0? exc_page_fault+0x75/0x140 ? _replay+0x3e/0x60 [mlx5_core] mlx5_mdev_netdev_track+0x53/0x60 [mlx5_ib] mlx5_ib_roce_init+0xc3/0x340 [mlx5_ib] __mlx5_ib_add+0x34/0xd0 [mlx5_ib] mlx5r_probe+0xe1/0x210 [mlx5_ib] ? auxiliar_match_id+0x6a/0x90 sonda_bus_auxiliar+0x38/0x80 ? driver_sysfs_add+0x51/0x80 realmente_probe+0xc9/0x3e0? driver_probe_device+0x90/0x90 __driver_probe_device+0x80/0x160 driver_probe_device+0x1e/0x90 __device_attach_driver+0x7d/0x100 bus_for_each_drv+0x80/0xd0 __device_attach+0xbc/0x1f0 bus_probe_device+0x8 6/0xa0 dispositivo_add+0x637/0x840 __auxiliary_device_add+0x3b/0xa0 add_adev+0xc9/0x140 [mlx5_core] mlx5_rescan_drivers_locked+0x22a/0x310 [mlx5_core] mlx5_register_device+0x53/0xa0 [mlx5_core] mlx5_init_one_devl_locked+0x5c4/0x9c0 [mlx5_core] mlx5_init_one+0x3b/0x60 [mlx5_core] _uno+0x44c/0x730 [mlx5_core] local_pci_probe+0x3e/0x90 pci_device_probe+ 0xbf/0x210 ? kernfs_create_link+0x5d/0xa0? sysfs_do_create_link_sd+0x60/0xc0 realmente_probe+0xc9/0x3e0? driver_probe_device+0x90/0x90 __driver_probe_device+0x80/0x160 driver_probe_device+0x1e/0x90 __device_attach_driver+0x7d/0x100 bus_for_each_drv+0x80/0xd0 __device_attach+0xbc/0x1f0 pci_bus_add_device+ 0x54/0x80 pci_iov_add_virtfn+0x2e6/0x320 sriov_enable+0x208/0x420 mlx5_core_sriov_configure+0x9e/0x200 [mlx5_core] sriov_numvfs_store+0xae/0x1a0 kernfs_fop_write_iter+0x10c/0x1a0 vfs_write+0x291/0x3c0 ksys_write+0x5f/0xe0 do_syscall_64+0x3d/0x90 Entry_SYSCALL_64_after_hwframe+0x4 6/0xb0 CR2: 0000000000000000 ---[ final de seguimiento 0000000000000000 ]---\"}],\"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\":\"CWE-476\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.12\",\"versionEndExcluding\":\"6.9.3\",\"matchCriteriaId\":\"945B1A36-6434-4B5E-AB36-2C5CBF72C182\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/3d5918477f94e4c2f064567875c475468e264644\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/f7e6cfb864a53af71c5cc904f1cc22215d68f5c6\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/3d5918477f94e4c2f064567875c475468e264644\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/f7e6cfb864a53af71c5cc904f1cc22215d68f5c6\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]}]}}"
  }
}


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