{
  "schemaVersion": 1,
  "attribution": [
    {
      "source": "CISA Known Exploited Vulnerabilities",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "licence": "US government work"
    },
    {
      "source": "GitHub Advisory Database",
      "url": "https://github.com/advisories",
      "licence": "CC BY 4.0"
    },
    {
      "source": "Have I Been Pwned",
      "url": "https://haveibeenpwned.com/",
      "licence": "CC BY 4.0"
    },
    {
      "source": "CVE Program (CVE records)",
      "url": "https://www.cve.org/Legal/TermsOfUse",
      "licence": "CVE Terms of Use",
      "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.",
      "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss/",
      "licence": "free to use; FIRST requests attribution"
    }
  ],
  "record": {
    "id": "CVE-2024-50147",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2024-50147",
    "idYear": 2024,
    "status": "PUBLISHED",
    "publishedAt": "2024-11-07T09:31:24.151Z",
    "updatedAt": "2026-05-11T20:46:21.355Z",
    "importedAt": "2026-10-24T01:57:20.494Z",
    "snapshot": {
      "id": "cve_2026-10-24_midnight_baseline",
      "at": "2026-10-24T00:00:00.000Z",
      "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z"
    },
    "facts": {
      "title": "net/mlx5: Fix command bitmask initialization",
      "summary": "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't 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 <TASK>\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 </TASK>",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "9b98d395b85dd042fe83fb696b1ac02e6c93a520",
              "status": "affected",
              "versionType": "git",
              "lessThan": "d1606090bb294cecb7de3c4ed177f5aa0abd4c4e"
            },
            {
              "version": "9b98d395b85dd042fe83fb696b1ac02e6c93a520",
              "status": "affected",
              "versionType": "git",
              "lessThan": "d88564c79d1cedaf2655f12261eca0d2796bde4e"
            },
            {
              "version": "9b98d395b85dd042fe83fb696b1ac02e6c93a520",
              "status": "affected",
              "versionType": "git",
              "lessThan": "2feac1e562be0efc621a6722644a90f355d53473"
            },
            {
              "version": "9b98d395b85dd042fe83fb696b1ac02e6c93a520",
              "status": "affected",
              "versionType": "git",
              "lessThan": "d62b14045c6511a7b2d4948d1a83a4e592deeb05"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "6.1",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "6.1"
            },
            {
              "version": "6.1.115",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.6.59",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.11.6",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.11.*"
            },
            {
              "version": "6.12",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}