cve-2022-48858
Vulnerability from cvelistv5
Published
2024-07-16 12:25
Modified
2024-12-19 08:09
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Fix a race on command flush flow Fix a refcount use after free warning due to a race on command entry. Such race occurs when one of the commands releases its last refcount and frees its index and entry while another process running command flush flow takes refcount to this command entry. The process which handles commands flush may see this command as needed to be flushed if the other process released its refcount but didn't release the index yet. Fix it by adding the needed spin lock. It fixes the following warning trace: refcount_t: addition on 0; use-after-free. WARNING: CPU: 11 PID: 540311 at lib/refcount.c:25 refcount_warn_saturate+0x80/0xe0 ... RIP: 0010:refcount_warn_saturate+0x80/0xe0 ... Call Trace: <TASK> mlx5_cmd_trigger_completions+0x293/0x340 [mlx5_core] mlx5_cmd_flush+0x3a/0xf0 [mlx5_core] enter_error_state+0x44/0x80 [mlx5_core] mlx5_fw_fatal_reporter_err_work+0x37/0xe0 [mlx5_core] process_one_work+0x1be/0x390 worker_thread+0x4d/0x3d0 ? rescuer_thread+0x350/0x350 kthread+0x141/0x160 ? set_kthread_struct+0x40/0x40 ret_from_fork+0x1f/0x30 </TASK>
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/0401bfb27a91d7bdd74b1635c1aae57cbb128da6Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/063bd355595428750803d8736a9bb7c8db67d42dPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/1a4017926eeea56c7540cc41b42106746ee8a0eePatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/7c519f769f555ff7d9d4ccba3497bbb589df360aPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/f3331bc17449f15832c31823f27573f4c0e13e5fPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/0401bfb27a91d7bdd74b1635c1aae57cbb128da6Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/063bd355595428750803d8736a9bb7c8db67d42dPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/1a4017926eeea56c7540cc41b42106746ee8a0eePatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/7c519f769f555ff7d9d4ccba3497bbb589df360aPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/f3331bc17449f15832c31823f27573f4c0e13e5fPatch
Impacted products
Vendor Product Version
Linux Linux Version: 073fff8102062cd675170ceb54d90da22fe7e668
Version: 50b2412b7e7862c5af0cbf4b10d93bc5c712d021
Version: 50b2412b7e7862c5af0cbf4b10d93bc5c712d021
Version: 50b2412b7e7862c5af0cbf4b10d93bc5c712d021
Version: 50b2412b7e7862c5af0cbf4b10d93bc5c712d021
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   Linux Linux Version: 5.9
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Dicha ejecuci\u00f3n ocurre cuando uno de los comandos libera su \u00faltimo recuento y libera su \u00edndice y entrada, mientras que otro proceso que ejecuta el flujo de descarga de comandos toma el recuento de esta entrada de comando. El proceso que maneja los comandos de vaciado puede considerar que este comando es necesario para vaciarlo si el otro proceso public\u00f3 su recuento pero a\u00fan no public\u00f3 el \u00edndice. Solucionarlo agregando el bloqueo de giro necesario. Corrige el siguiente seguimiento de advertencia: refcount_t: adici\u00f3n en 0; use-after-free. ADVERTENCIA: CPU: 11 PID: 540311 en lib/refcount.c:25 refcount_warn_saturate+0x80/0xe0... RIP: 0010:refcount_warn_saturate+0x80/0xe0... Seguimiento de llamadas:  mlx5_cmd_trigger_completions+0x293/0x340 [mlx5_core] mlx5_cmd_flush+0x3a/0xf0 [mlx5_core] enter_error_state+0x44/0x80 [mlx5_core] mlx5_fw_fatal_reporter_err_work+0x37/0xe0 [mlx5_core] Process_one_work+0x1be/0x390 trabajador_thread+0x4d/0x3d0 ? hilo_rescate+0x350/0x350 khilo+0x141/0x160 ? set_kthread_struct+0x40/0x40 ret_from_fork+0x1f/0x30 \"}],\"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}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-362\"},{\"lang\":\"en\",\"value\":\"CWE-416\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"5.4.185\",\"matchCriteriaId\":\"2C4CE243-C23D-4DE9-8559-E3AE265120F3\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.5\",\"versionEndExcluding\":\"5.10.106\",\"matchCriteriaId\":\"6A4F38AC-99A2-48DF-B132-C9F785B309B8\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.11\",\"versionEndExcluding\":\"5.15.29\",\"matchCriteriaId\":\"15DC6588-B28F-4637-9A1E-3753B34A40CF\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.16\",\"versionEndExcluding\":\"5.16.15\",\"matchCriteriaId\":\"83FDEDF2-0E19-4879-91FD-171E66D1B335\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/0401bfb27a91d7bdd74b1635c1aae57cbb128da6\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/063bd355595428750803d8736a9bb7c8db67d42d\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/1a4017926eeea56c7540cc41b42106746ee8a0ee\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/7c519f769f555ff7d9d4ccba3497bbb589df360a\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/f3331bc17449f15832c31823f27573f4c0e13e5f\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/0401bfb27a91d7bdd74b1635c1aae57cbb128da6\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/063bd355595428750803d8736a9bb7c8db67d42d\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/1a4017926eeea56c7540cc41b42106746ee8a0ee\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/7c519f769f555ff7d9d4ccba3497bbb589df360a\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/f3331bc17449f15832c31823f27573f4c0e13e5f\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]}]}}",
    "vulnrichment": {
      "containers": "{\"cna\": {\"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2024-07-16T12:25:23.123Z\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nnet/mlx5: Fix a race on command flush flow\\n\\nFix a refcount use after free warning due to a race on command entry.\\nSuch race occurs when one of the commands releases its last refcount and\\nfrees its index and entry while another process running command flush\\nflow takes refcount to this command entry. The process which handles\\ncommands flush may see this command as needed to be flushed if the other\\nprocess released its refcount but didn\u0027t release the index yet. Fix it\\nby adding the needed spin lock.\\n\\nIt fixes the following warning trace:\\n\\nrefcount_t: addition on 0; use-after-free.\\nWARNING: CPU: 11 PID: 540311 at lib/refcount.c:25 refcount_warn_saturate+0x80/0xe0\\n...\\nRIP: 0010:refcount_warn_saturate+0x80/0xe0\\n...\\nCall Trace:\\n \u003cTASK\u003e\\n mlx5_cmd_trigger_completions+0x293/0x340 [mlx5_core]\\n mlx5_cmd_flush+0x3a/0xf0 [mlx5_core]\\n enter_error_state+0x44/0x80 [mlx5_core]\\n mlx5_fw_fatal_reporter_err_work+0x37/0xe0 [mlx5_core]\\n process_one_work+0x1be/0x390\\n worker_thread+0x4d/0x3d0\\n ? rescuer_thread+0x350/0x350\\n kthread+0x141/0x160\\n ? set_kthread_struct+0x40/0x40\\n ret_from_fork+0x1f/0x30\\n \u003c/TASK\u003e\"}], \"affected\": [{\"product\": \"Linux\", \"vendor\": \"Linux\", \"defaultStatus\": \"unaffected\", \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"programFiles\": [\"drivers/net/ethernet/mellanox/mlx5/core/cmd.c\"], \"versions\": [{\"version\": \"073fff810206\", \"lessThan\": \"1a4017926eee\", \"status\": \"affected\", \"versionType\": \"git\"}, {\"version\": \"50b2412b7e78\", \"lessThan\": \"f3331bc17449\", \"status\": \"affected\", \"versionType\": \"git\"}, {\"version\": \"50b2412b7e78\", \"lessThan\": \"7c519f769f55\", \"status\": \"affected\", \"versionType\": \"git\"}, {\"version\": \"50b2412b7e78\", \"lessThan\": \"0401bfb27a91\", \"status\": \"affected\", \"versionType\": \"git\"}, {\"version\": \"50b2412b7e78\", \"lessThan\": \"063bd3555954\", \"status\": \"affected\", \"versionType\": \"git\"}]}, {\"product\": \"Linux\", \"vendor\": \"Linux\", \"defaultStatus\": \"affected\", \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"programFiles\": [\"drivers/net/ethernet/mellanox/mlx5/core/cmd.c\"], \"versions\": [{\"version\": \"5.9\", \"status\": \"affected\"}, {\"version\": \"0\", \"lessThan\": \"5.9\", \"status\": \"unaffected\", \"versionType\": \"custom\"}, {\"version\": \"5.4.185\", \"lessThanOrEqual\": \"5.4.*\", \"status\": \"unaffected\", \"versionType\": \"custom\"}, {\"version\": \"5.10.106\", \"lessThanOrEqual\": \"5.10.*\", \"status\": \"unaffected\", \"versionType\": \"custom\"}, {\"version\": \"5.15.29\", \"lessThanOrEqual\": \"5.15.*\", \"status\": \"unaffected\", \"versionType\": \"custom\"}, {\"version\": \"5.16.15\", \"lessThanOrEqual\": \"5.16.*\", \"status\": \"unaffected\", \"versionType\": \"custom\"}, {\"version\": \"5.17\", \"lessThanOrEqual\": \"*\", \"status\": \"unaffected\", \"versionType\": \"original_commit_for_fix\"}]}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/1a4017926eeea56c7540cc41b42106746ee8a0ee\"}, {\"url\": \"https://git.kernel.org/stable/c/f3331bc17449f15832c31823f27573f4c0e13e5f\"}, {\"url\": \"https://git.kernel.org/stable/c/7c519f769f555ff7d9d4ccba3497bbb589df360a\"}, {\"url\": \"https://git.kernel.org/stable/c/0401bfb27a91d7bdd74b1635c1aae57cbb128da6\"}, {\"url\": \"https://git.kernel.org/stable/c/063bd355595428750803d8736a9bb7c8db67d42d\"}], \"title\": \"net/mlx5: Fix a race on command flush flow\", \"x_generator\": {\"engine\": \"bippy-c9c4e1df01b2\"}}, \"adp\": [{\"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2022-48858\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-09-10T16:25:42.661996Z\"}}}], \"providerMetadata\": {\"shortName\": \"CISA-ADP\", \"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"dateUpdated\": \"2024-09-11T12:42:20.826Z\"}, \"title\": \"CISA ADP Vulnrichment\"}]}",
      "cveMetadata": "{\"cveId\": \"CVE-2022-48858\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"state\": \"PUBLISHED\", \"assignerShortName\": \"Linux\", \"dateReserved\": \"2024-07-16T11:38:08.919Z\", \"datePublished\": \"2024-07-16T12:25:23.123Z\", \"dateUpdated\": \"2024-08-03T15:25:01.885Z\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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