CVE-2024-38608 (GCVE-0-2024-38608)

Vulnerability from cvelistv5 – Published: 2024-06-19 13:56 – Updated: 2026-05-11 20:20
VLAI
Title
net/mlx5e: Fix netif state handling
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 ]---
Severity
No CVSS data available.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 2c3b5beec46ab0d77c94828eb15170b333ae769a , < f7e6cfb864a53af71c5cc904f1cc22215d68f5c6 (git)
Affected: 2c3b5beec46ab0d77c94828eb15170b333ae769a , < 3d5918477f94e4c2f064567875c475468e264644 (git)
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Linux Linux Affected: 4.12
Unaffected: 0 , < 4.12 (semver)
Unaffected: 6.9.3 , ≤ 6.9.* (semver)
Unaffected: 6.10 , ≤ * (original_commit_for_fix)
Create a notification for this product.
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                "id": "CVE-2024-38608",
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                "timestamp": "2024-06-20T19:44:05.361644Z",
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          "versions": [
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          "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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          "url": "https://git.kernel.org/stable/c/3d5918477f94e4c2f064567875c475468e264644"
        }
      ],
      "title": "net/mlx5e: Fix netif state handling",
      "x_generator": {
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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": "2026-05-11T20:20:01.038Z",
    "state": "PUBLISHED"
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  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
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      "cve": "CVE-2024-38608",
      "date": "2026-08-05",
      "epss": "0.00188",
      "percentile": "0.08615"
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      "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\"}]}]}]",
      "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 ]---\"}]",
      "id": "CVE-2024-38608",
      "lastModified": "2024-11-21T09:26:28.400",
      "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}]}",
      "published": "2024-06-19T14:15:20.737",
      "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\"]}]",
      "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-476\"}]}]"
    },
    "microsoft_vex": {
      "current_release_date": "2026-06-28T01:44:09.000Z",
      "cve": "CVE-2024-38608",
      "id": "msrc_CVE-2024-38608",
      "initial_release_date": "2024-06-02T07:00:00.000Z",
      "product_status:under_investigation": "19",
      "source": "Microsoft CSAF VEX",
      "status": "final",
      "title": "net/mlx5e: Fix netif state handling",
      "url": "https://msrc.microsoft.com/csaf/vex/2024/msrc_cve-2024-38608.json",
      "version": "14"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2024-38608\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-06-19T14:15:20.737\",\"lastModified\":\"2026-06-17T07:40:42.330\",\"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 ]---\"}],\"affected\":[{\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"affectedData\":[{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"unaffected\",\"programFiles\":[\"drivers/net/ethernet/mellanox/mlx5/core/en_main.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"2c3b5beec46ab0d77c94828eb15170b333ae769a\",\"lessThan\":\"f7e6cfb864a53af71c5cc904f1cc22215d68f5c6\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"2c3b5beec46ab0d77c94828eb15170b333ae769a\",\"lessThan\":\"3d5918477f94e4c2f064567875c475468e264644\",\"versionType\":\"git\",\"status\":\"affected\"}]},{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"affected\",\"programFiles\":[\"drivers/net/ethernet/mellanox/mlx5/core/en_main.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"4.12\",\"status\":\"affected\"},{\"version\":\"0\",\"lessThan\":\"4.12\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.9.3\",\"lessThanOrEqual\":\"6.9.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.10\",\"lessThanOrEqual\":\"*\",\"versionType\":\"original_commit_for_fix\",\"status\":\"unaffected\"}]}]}],\"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}],\"ssvcV203\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"ssvcData\":{\"timestamp\":\"2024-06-20T19:44:05.361644Z\",\"id\":\"CVE-2024-38608\",\"options\":[{\"exploitation\":\"none\"},{\"automatable\":\"no\"},{\"technicalImpact\":\"partial\"}],\"role\":\"CISA Coordinator\",\"version\":\"2.0.3\"}}]},\"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\"]}]}}",
    "redhat_vex": {
      "aggregate_severity": "Low",
      "current_release_date": "2026-06-28T07:08:02+00:00",
      "cve": "CVE-2024-38608",
      "id": "CVE-2024-38608",
      "initial_release_date": "2024-06-19T00:00:00+00:00",
      "product_status:fixed": "663",
      "product_status:known_affected": "50",
      "product_status:known_not_affected": "15",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: net/mlx5e: Fix netif state handling",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2024/cve-2024-38608.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-07-19T17:59:22Z",
      "cve": "CVE-2024-38608",
      "id": "CVE-2024-38608",
      "initial_release_date": "2024-06-22T03:34:24Z",
      "product_status:known_affected": "545",
      "product_status:known_not_affected": "82",
      "product_status:recommended": "761",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2024-38608",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2024-38608.json",
      "version": "104"
    },
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2024-38608\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-06-20T19:44:05.361644Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-06-20T19:44:10.336Z\"}}], \"cna\": {\"title\": \"net/mlx5e: Fix netif state handling\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"2c3b5beec46a\", \"lessThan\": \"f7e6cfb864a5\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"2c3b5beec46a\", \"lessThan\": \"3d5918477f94\", \"versionType\": \"git\"}], \"programFiles\": [\"drivers/net/ethernet/mellanox/mlx5/core/en_main.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"4.12\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"4.12\", \"versionType\": \"custom\"}, {\"status\": \"unaffected\", \"version\": \"6.9.3\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"6.9.*\"}, {\"status\": \"unaffected\", \"version\": \"6.10\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"drivers/net/ethernet/mellanox/mlx5/core/en_main.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/f7e6cfb864a53af71c5cc904f1cc22215d68f5c6\"}, {\"url\": \"https://git.kernel.org/stable/c/3d5918477f94e4c2f064567875c475468e264644\"}], \"x_generator\": {\"engine\": \"bippy-c9c4e1df01b2\"}, \"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  ]---\"}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2024-07-15T06:48:59.099Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-38608\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2024-07-15T06:48:59.099Z\", \"dateReserved\": \"2024-06-18T19:36:34.941Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-06-19T13:56:10.614Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.