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CVE-2024-50147 (GCVE-0-2024-50147)

Vulnerability from cvelistv5 – Published: 2024-11-07 09:31 – Updated: 2026-05-11 20:46
VLAI
Title
net/mlx5: Fix command bitmask initialization
Summary
In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Fix command bitmask initialization Command bitmask have a dedicated bit for MANAGE_PAGES command, this bit isn't Initialize during command bitmask Initialization, only during MANAGE_PAGES. In addition, mlx5_cmd_trigger_completions() is trying to trigger completion for MANAGE_PAGES command as well. Hence, in case health error occurred before any MANAGE_PAGES command have been invoke (for example, during mlx5_enable_hca()), mlx5_cmd_trigger_completions() will try to trigger completion for MANAGE_PAGES command, which will result in null-ptr-deref error.[1] Fix it by Initialize command bitmask correctly. While at it, re-write the code for better understanding. [1] BUG: KASAN: null-ptr-deref in mlx5_cmd_trigger_completions+0x1db/0x600 [mlx5_core] Write of size 4 at addr 0000000000000214 by task kworker/u96:2/12078 CPU: 10 PID: 12078 Comm: kworker/u96:2 Not tainted 6.9.0-rc2_for_upstream_debug_2024_04_07_19_01 #1 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.13.0-0-gf21b5a4aeb02-prebuilt.qemu.org 04/01/2014 Workqueue: mlx5_health0000:08:00.0 mlx5_fw_fatal_reporter_err_work [mlx5_core] Call Trace: <TASK> dump_stack_lvl+0x7e/0xc0 kasan_report+0xb9/0xf0 kasan_check_range+0xec/0x190 mlx5_cmd_trigger_completions+0x1db/0x600 [mlx5_core] mlx5_cmd_flush+0x94/0x240 [mlx5_core] enter_error_state+0x6c/0xd0 [mlx5_core] mlx5_fw_fatal_reporter_err_work+0xf3/0x480 [mlx5_core] process_one_work+0x787/0x1490 ? lockdep_hardirqs_on_prepare+0x400/0x400 ? pwq_dec_nr_in_flight+0xda0/0xda0 ? assign_work+0x168/0x240 worker_thread+0x586/0xd30 ? rescuer_thread+0xae0/0xae0 kthread+0x2df/0x3b0 ? kthread_complete_and_exit+0x20/0x20 ret_from_fork+0x2d/0x70 ? kthread_complete_and_exit+0x20/0x20 ret_from_fork_asm+0x11/0x20 </TASK>
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-10-01 20:20 UTC
CWE
  • CWE-476 - NULL Pointer Dereference
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 9b98d395b85dd042fe83fb696b1ac02e6c93a520 , < d1606090bb294cecb7de3c4ed177f5aa0abd4c4e (git)
Affected: 9b98d395b85dd042fe83fb696b1ac02e6c93a520 , < d88564c79d1cedaf2655f12261eca0d2796bde4e (git)
Affected: 9b98d395b85dd042fe83fb696b1ac02e6c93a520 , < 2feac1e562be0efc621a6722644a90f355d53473 (git)
Affected: 9b98d395b85dd042fe83fb696b1ac02e6c93a520 , < d62b14045c6511a7b2d4948d1a83a4e592deeb05 (git)
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Linux Linux Affected: 6.1
Unaffected: 0 , < 6.1 (semver)
Unaffected: 6.1.115 , ≤ 6.1.* (semver)
Unaffected: 6.6.59 , ≤ 6.6.* (semver)
Unaffected: 6.11.6 , ≤ 6.11.* (semver)
Unaffected: 6.12 , ≤ * (original_commit_for_fix)
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Show details on NVD website
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      "descriptions": "[{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nnet/mlx5: Fix command bitmask initialization\\n\\nCommand bitmask have a dedicated bit for MANAGE_PAGES command, this bit\\nisn\u0027t Initialize during command bitmask Initialization, only during\\nMANAGE_PAGES.\\n\\nIn addition, mlx5_cmd_trigger_completions() is trying to trigger\\ncompletion for MANAGE_PAGES command as well.\\n\\nHence, in case health error occurred before any MANAGE_PAGES command\\nhave been invoke (for example, during mlx5_enable_hca()),\\nmlx5_cmd_trigger_completions() will try to trigger completion for\\nMANAGE_PAGES command, which will result in null-ptr-deref error.[1]\\n\\nFix it by Initialize command bitmask correctly.\\n\\nWhile at it, re-write the code for better understanding.\\n\\n[1]\\nBUG: KASAN: null-ptr-deref in mlx5_cmd_trigger_completions+0x1db/0x600 [mlx5_core]\\nWrite of size 4 at addr 0000000000000214 by task kworker/u96:2/12078\\nCPU: 10 PID: 12078 Comm: kworker/u96:2 Not tainted 6.9.0-rc2_for_upstream_debug_2024_04_07_19_01 #1\\nHardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.13.0-0-gf21b5a4aeb02-prebuilt.qemu.org 04/01/2014\\nWorkqueue: mlx5_health0000:08:00.0 mlx5_fw_fatal_reporter_err_work [mlx5_core]\\nCall Trace:\\n \u003cTASK\u003e\\n dump_stack_lvl+0x7e/0xc0\\n kasan_report+0xb9/0xf0\\n kasan_check_range+0xec/0x190\\n mlx5_cmd_trigger_completions+0x1db/0x600 [mlx5_core]\\n mlx5_cmd_flush+0x94/0x240 [mlx5_core]\\n enter_error_state+0x6c/0xd0 [mlx5_core]\\n mlx5_fw_fatal_reporter_err_work+0xf3/0x480 [mlx5_core]\\n process_one_work+0x787/0x1490\\n ? lockdep_hardirqs_on_prepare+0x400/0x400\\n ? pwq_dec_nr_in_flight+0xda0/0xda0\\n ? assign_work+0x168/0x240\\n worker_thread+0x586/0xd30\\n ? rescuer_thread+0xae0/0xae0\\n kthread+0x2df/0x3b0\\n ? kthread_complete_and_exit+0x20/0x20\\n ret_from_fork+0x2d/0x70\\n ? kthread_complete_and_exit+0x20/0x20\\n ret_from_fork_asm+0x11/0x20\\n \u003c/TASK\u003e\"}, {\"lang\": \"es\", \"value\": \"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net/mlx5: Arreglar la inicializaci\\u00f3n de la m\\u00e1scara de bits del comando La m\\u00e1scara de bits del comando tiene un bit dedicado para el comando MANAGE_PAGES, este bit no se inicializa durante la inicializaci\\u00f3n de la m\\u00e1scara de bits del comando, solo durante MANAGE_PAGES. Adem\\u00e1s, mlx5_cmd_trigger_completions() tambi\\u00e9n intenta activar la finalizaci\\u00f3n del comando MANAGE_PAGES. Por lo tanto, en caso de que se produzca un error de estado antes de que se haya invocado cualquier comando MANAGE_PAGES (por ejemplo, durante mlx5_enable_hca()), mlx5_cmd_trigger_completions() intentar\\u00e1 activar la finalizaci\\u00f3n del comando MANAGE_PAGES, lo que dar\\u00e1 como resultado un error null-ptr-deref.[1] Arr\\u00e9glalo inicializando la m\\u00e1scara de bits del comando correctamente. Mientras lo haces, reescribe el c\\u00f3digo para una mejor comprensi\\u00f3n. [1] ERROR: KASAN: null-ptr-deref en mlx5_cmd_trigger_completions+0x1db/0x600 [mlx5_core] Escritura de tama\\u00f1o 4 en la direcci\\u00f3n 0000000000000214 por la tarea kworker/u96:2/12078 CPU: 10 PID: 12078 Comm: kworker/u96:2 No contaminado 6.9.0-rc2_for_upstream_debug_2024_04_07_19_01 #1 Nombre del hardware: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.13.0-0-gf21b5a4aeb02-prebuilt.qemu.org 04/01/2014 Cola de trabajo: mlx5_health0000:08:00.0 mlx5_fw_fatal_reporter_err_work [mlx5_core] Seguimiento de llamadas:  dump_stack_lvl+0x7e/0xc0 kasan_report+0xb9/0xf0 kasan_check_range+0xec/0x190 mlx5_cmd_trigger_completions+0x1db/0x600 [mlx5_core] mlx5_cmd_flush+0x94/0x240 [mlx5_core] enter_error_state+0x6c/0xd0 [mlx5_core] mlx5_fw_fatal_reporter_err_work+0xf3/0x480 [mlx5_core] process_one_work+0x787/0x1490 ? lockdep_hardirqs_on_prepare+0x400/0x400 ? pwq_dec_nr_in_flight+0xda0/0xda0 ? asignar_trabajo+0x168/0x240 subproceso_trabajador+0x586/0xd30 ? subproceso_rescatador+0xae0/0xae0 subproceso_k+0x2df/0x3b0 ? subproceso_k_completo_y_salir+0x20/0x20 ret_de_la_bifurcaci\\u00f3n+0x2d/0x70 ? subproceso_k_completo_y_salir+0x20/0x20 ret_de_la_bifurcaci\\u00f3n_asm+0x11/0x20 \"}]",
      "id": "CVE-2024-50147",
      "lastModified": "2024-11-18T21:19:21.917",
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      "published": "2024-11-07T10:15:06.507",
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      "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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    },
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      "cve": "CVE-2024-50147",
      "id": "msrc_CVE-2024-50147",
      "initial_release_date": "2024-11-02T00:00:00.000Z",
      "product_status:fixed": "2",
      "product_status:known_affected": "2",
      "source": "Microsoft CSAF VEX",
      "status": "final",
      "title": "net/mlx5: Fix command bitmask initialization",
      "url": "https://msrc.microsoft.com/csaf/vex/2024/msrc_cve-2024-50147.json",
      "version": "1"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2024-50147\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-11-07T10:15:06.507\",\"lastModified\":\"2026-06-17T08:03:42.660\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nnet/mlx5: Fix command bitmask initialization\\n\\nCommand bitmask have a dedicated bit for MANAGE_PAGES command, this bit\\nisn\u0027t Initialize during command bitmask Initialization, only during\\nMANAGE_PAGES.\\n\\nIn addition, mlx5_cmd_trigger_completions() is trying to trigger\\ncompletion for MANAGE_PAGES command as well.\\n\\nHence, in case health error occurred before any MANAGE_PAGES command\\nhave been invoke (for example, during mlx5_enable_hca()),\\nmlx5_cmd_trigger_completions() will try to trigger completion for\\nMANAGE_PAGES command, which will result in null-ptr-deref error.[1]\\n\\nFix it by Initialize command bitmask correctly.\\n\\nWhile at it, re-write the code for better understanding.\\n\\n[1]\\nBUG: KASAN: null-ptr-deref in mlx5_cmd_trigger_completions+0x1db/0x600 [mlx5_core]\\nWrite of size 4 at addr 0000000000000214 by task kworker/u96:2/12078\\nCPU: 10 PID: 12078 Comm: kworker/u96:2 Not tainted 6.9.0-rc2_for_upstream_debug_2024_04_07_19_01 #1\\nHardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.13.0-0-gf21b5a4aeb02-prebuilt.qemu.org 04/01/2014\\nWorkqueue: mlx5_health0000:08:00.0 mlx5_fw_fatal_reporter_err_work [mlx5_core]\\nCall Trace:\\n \u003cTASK\u003e\\n dump_stack_lvl+0x7e/0xc0\\n kasan_report+0xb9/0xf0\\n kasan_check_range+0xec/0x190\\n mlx5_cmd_trigger_completions+0x1db/0x600 [mlx5_core]\\n mlx5_cmd_flush+0x94/0x240 [mlx5_core]\\n enter_error_state+0x6c/0xd0 [mlx5_core]\\n mlx5_fw_fatal_reporter_err_work+0xf3/0x480 [mlx5_core]\\n process_one_work+0x787/0x1490\\n ? lockdep_hardirqs_on_prepare+0x400/0x400\\n ? pwq_dec_nr_in_flight+0xda0/0xda0\\n ? assign_work+0x168/0x240\\n worker_thread+0x586/0xd30\\n ? rescuer_thread+0xae0/0xae0\\n kthread+0x2df/0x3b0\\n ? kthread_complete_and_exit+0x20/0x20\\n ret_from_fork+0x2d/0x70\\n ? kthread_complete_and_exit+0x20/0x20\\n ret_from_fork_asm+0x11/0x20\\n \u003c/TASK\u003e\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net/mlx5: Arreglar la inicializaci\u00f3n de la m\u00e1scara de bits del comando La m\u00e1scara de bits del comando tiene un bit dedicado para el comando MANAGE_PAGES, este bit no se inicializa durante la inicializaci\u00f3n de la m\u00e1scara de bits del comando, solo durante MANAGE_PAGES. Adem\u00e1s, mlx5_cmd_trigger_completions() tambi\u00e9n intenta activar la finalizaci\u00f3n del comando MANAGE_PAGES. Por lo tanto, en caso de que se produzca un error de estado antes de que se haya invocado cualquier comando MANAGE_PAGES (por ejemplo, durante mlx5_enable_hca()), mlx5_cmd_trigger_completions() intentar\u00e1 activar la finalizaci\u00f3n del comando MANAGE_PAGES, lo que dar\u00e1 como resultado un error null-ptr-deref.[1] Arr\u00e9glalo inicializando la m\u00e1scara de bits del comando correctamente. Mientras lo haces, reescribe el c\u00f3digo para una mejor comprensi\u00f3n. [1] ERROR: KASAN: null-ptr-deref en mlx5_cmd_trigger_completions+0x1db/0x600 [mlx5_core] Escritura de tama\u00f1o 4 en la direcci\u00f3n 0000000000000214 por la tarea kworker/u96:2/12078 CPU: 10 PID: 12078 Comm: kworker/u96:2 No contaminado 6.9.0-rc2_for_upstream_debug_2024_04_07_19_01 #1 Nombre del hardware: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.13.0-0-gf21b5a4aeb02-prebuilt.qemu.org 04/01/2014 Cola de trabajo: mlx5_health0000:08:00.0 mlx5_fw_fatal_reporter_err_work [mlx5_core] Seguimiento de llamadas:  dump_stack_lvl+0x7e/0xc0 kasan_report+0xb9/0xf0 kasan_check_range+0xec/0x190 mlx5_cmd_trigger_completions+0x1db/0x600 [mlx5_core] mlx5_cmd_flush+0x94/0x240 [mlx5_core] enter_error_state+0x6c/0xd0 [mlx5_core] mlx5_fw_fatal_reporter_err_work+0xf3/0x480 [mlx5_core] process_one_work+0x787/0x1490 ? lockdep_hardirqs_on_prepare+0x400/0x400 ? pwq_dec_nr_in_flight+0xda0/0xda0 ? asignar_trabajo+0x168/0x240 subproceso_trabajador+0x586/0xd30 ? subproceso_rescatador+0xae0/0xae0 subproceso_k+0x2df/0x3b0 ? subproceso_k_completo_y_salir+0x20/0x20 ret_de_la_bifurcaci\u00f3n+0x2d/0x70 ? subproceso_k_completo_y_salir+0x20/0x20 ret_de_la_bifurcaci\u00f3n_asm+0x11/0x20 \"}],\"affected\":[{\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"affectedData\":[{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"unaffected\",\"programFiles\":[\"drivers/net/ethernet/mellanox/mlx5/core/cmd.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"9b98d395b85dd042fe83fb696b1ac02e6c93a520\",\"lessThan\":\"d1606090bb294cecb7de3c4ed177f5aa0abd4c4e\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"9b98d395b85dd042fe83fb696b1ac02e6c93a520\",\"lessThan\":\"d88564c79d1cedaf2655f12261eca0d2796bde4e\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"9b98d395b85dd042fe83fb696b1ac02e6c93a520\",\"lessThan\":\"2feac1e562be0efc621a6722644a90f355d53473\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"9b98d395b85dd042fe83fb696b1ac02e6c93a520\",\"lessThan\":\"d62b14045c6511a7b2d4948d1a83a4e592deeb05\",\"versionType\":\"git\",\"status\":\"affected\"}]},{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"affected\",\"programFiles\":[\"drivers/net/ethernet/mellanox/mlx5/core/cmd.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"6.1\",\"status\":\"affected\"},{\"version\":\"0\",\"lessThan\":\"6.1\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.1.115\",\"lessThanOrEqual\":\"6.1.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.6.59\",\"lessThanOrEqual\":\"6.6.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.11.6\",\"lessThanOrEqual\":\"6.11.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.12\",\"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},{\"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: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\":\"2025-10-01T20:20:50.679297Z\",\"id\":\"CVE-2024-50147\",\"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\"}]},{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-476\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.1\",\"versionEndExcluding\":\"6.1.115\",\"matchCriteriaId\":\"9E7318A8-E93E-495C-808C-47CF1377AB19\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.2\",\"versionEndExcluding\":\"6.6.59\",\"matchCriteriaId\":\"5D15CA59-D15C-4ACD-8B03-A072DEAD2081\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.7\",\"versionEndExcluding\":\"6.11.6\",\"matchCriteriaId\":\"E4486B12-007B-4794-9857-F07145637AA1\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.12:rc1:*:*:*:*:*:*\",\"matchCriteriaId\":\"7F361E1D-580F-4A2D-A509-7615F73167A1\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.12:rc2:*:*:*:*:*:*\",\"matchCriteriaId\":\"925478D0-3E3D-4E6F-ACD5-09F28D5DF82C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.12:rc3:*:*:*:*:*:*\",\"matchCriteriaId\":\"3C95E234-D335-4B6C-96BF-E2CEBD8654ED\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/2feac1e562be0efc621a6722644a90f355d53473\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/d1606090bb294cecb7de3c4ed177f5aa0abd4c4e\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/d62b14045c6511a7b2d4948d1a83a4e592deeb05\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/d88564c79d1cedaf2655f12261eca0d2796bde4e\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"}]}}",
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-09-14T11:55:46+00:00",
      "cve": "CVE-2024-50147",
      "id": "CVE-2024-50147",
      "initial_release_date": "2024-11-07T00:00:00+00:00",
      "product_status:known_affected": "184",
      "product_status:known_not_affected": "14",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: net/mlx5: Fix command bitmask initialization",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2024/cve-2024-50147.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-08-30T02:18:56Z",
      "cve": "CVE-2024-50147",
      "id": "CVE-2024-50147",
      "initial_release_date": "2024-11-08T03:49:08Z",
      "product_status:known_affected": "361",
      "product_status:known_not_affected": "353",
      "product_status:recommended": "555",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2024-50147",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2024-50147.json",
      "version": "56"
    },
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html\"}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2025-11-03T22:26:05.797Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 5.5, \"attackVector\": \"LOCAL\", \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\", \"integrityImpact\": \"NONE\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"LOW\", \"confidentialityImpact\": \"NONE\"}}, {\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2024-50147\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-10-01T20:20:50.679297Z\"}}}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-476\", \"description\": \"CWE-476 NULL Pointer Dereference\"}]}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2025-10-01T15:17:45.507Z\"}}], \"cna\": {\"title\": \"net/mlx5: Fix command bitmask initialization\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"9b98d395b85dd042fe83fb696b1ac02e6c93a520\", \"lessThan\": \"d1606090bb294cecb7de3c4ed177f5aa0abd4c4e\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"9b98d395b85dd042fe83fb696b1ac02e6c93a520\", \"lessThan\": \"d88564c79d1cedaf2655f12261eca0d2796bde4e\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"9b98d395b85dd042fe83fb696b1ac02e6c93a520\", \"lessThan\": \"2feac1e562be0efc621a6722644a90f355d53473\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"9b98d395b85dd042fe83fb696b1ac02e6c93a520\", \"lessThan\": \"d62b14045c6511a7b2d4948d1a83a4e592deeb05\", \"versionType\": \"git\"}], \"programFiles\": [\"drivers/net/ethernet/mellanox/mlx5/core/cmd.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"6.1\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"6.1\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"6.1.115\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.1.*\"}, {\"status\": \"unaffected\", \"version\": \"6.6.59\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.6.*\"}, {\"status\": \"unaffected\", \"version\": \"6.11.6\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.11.*\"}, {\"status\": \"unaffected\", \"version\": \"6.12\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"drivers/net/ethernet/mellanox/mlx5/core/cmd.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/d1606090bb294cecb7de3c4ed177f5aa0abd4c4e\"}, {\"url\": \"https://git.kernel.org/stable/c/d88564c79d1cedaf2655f12261eca0d2796bde4e\"}, {\"url\": \"https://git.kernel.org/stable/c/2feac1e562be0efc621a6722644a90f355d53473\"}, {\"url\": \"https://git.kernel.org/stable/c/d62b14045c6511a7b2d4948d1a83a4e592deeb05\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nnet/mlx5: Fix command bitmask initialization\\n\\nCommand bitmask have a dedicated bit for MANAGE_PAGES command, this bit\\nisn\u0027t Initialize during command bitmask Initialization, only during\\nMANAGE_PAGES.\\n\\nIn addition, mlx5_cmd_trigger_completions() is trying to trigger\\ncompletion for MANAGE_PAGES command as well.\\n\\nHence, in case health error occurred before any MANAGE_PAGES command\\nhave been invoke (for example, during mlx5_enable_hca()),\\nmlx5_cmd_trigger_completions() will try to trigger completion for\\nMANAGE_PAGES command, which will result in null-ptr-deref error.[1]\\n\\nFix it by Initialize command bitmask correctly.\\n\\nWhile at it, re-write the code for better understanding.\\n\\n[1]\\nBUG: KASAN: null-ptr-deref in mlx5_cmd_trigger_completions+0x1db/0x600 [mlx5_core]\\nWrite of size 4 at addr 0000000000000214 by task kworker/u96:2/12078\\nCPU: 10 PID: 12078 Comm: kworker/u96:2 Not tainted 6.9.0-rc2_for_upstream_debug_2024_04_07_19_01 #1\\nHardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.13.0-0-gf21b5a4aeb02-prebuilt.qemu.org 04/01/2014\\nWorkqueue: mlx5_health0000:08:00.0 mlx5_fw_fatal_reporter_err_work [mlx5_core]\\nCall Trace:\\n \u003cTASK\u003e\\n dump_stack_lvl+0x7e/0xc0\\n kasan_report+0xb9/0xf0\\n kasan_check_range+0xec/0x190\\n mlx5_cmd_trigger_completions+0x1db/0x600 [mlx5_core]\\n mlx5_cmd_flush+0x94/0x240 [mlx5_core]\\n enter_error_state+0x6c/0xd0 [mlx5_core]\\n mlx5_fw_fatal_reporter_err_work+0xf3/0x480 [mlx5_core]\\n process_one_work+0x787/0x1490\\n ? lockdep_hardirqs_on_prepare+0x400/0x400\\n ? pwq_dec_nr_in_flight+0xda0/0xda0\\n ? assign_work+0x168/0x240\\n worker_thread+0x586/0xd30\\n ? rescuer_thread+0xae0/0xae0\\n kthread+0x2df/0x3b0\\n ? kthread_complete_and_exit+0x20/0x20\\n ret_from_fork+0x2d/0x70\\n ? kthread_complete_and_exit+0x20/0x20\\n ret_from_fork_asm+0x11/0x20\\n \u003c/TASK\u003e\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.115\", \"versionStartIncluding\": \"6.1\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.59\", \"versionStartIncluding\": \"6.1\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.11.6\", \"versionStartIncluding\": \"6.1\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.12\", \"versionStartIncluding\": \"6.1\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2025-05-04T09:47:15.279Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-50147\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-11-03T22:26:05.797Z\", \"dateReserved\": \"2024-10-21T19:36:19.958Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-11-07T09:31:24.151Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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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

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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.


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Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.