{
  "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-2026-31540",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-31540",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-04-24T14:33:09.705Z",
    "updatedAt": "2026-05-11T22:10:45.183Z",
    "importedAt": "2026-10-24T01:58:02.025Z",
    "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": "drm/i915/gt: Check set_default_submission() before deferencing",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/i915/gt: Check set_default_submission() before deferencing\n\nWhen the i915 driver firmware binaries are not present, the\nset_default_submission pointer is not set. This pointer is\ndereferenced during suspend anyways.\n\nAdd a check to make sure it is set before dereferencing.\n\n[   23.289926] PM: suspend entry (deep)\n[   23.293558] Filesystems sync: 0.000 seconds\n[   23.298010] Freezing user space processes\n[   23.302771] Freezing user space processes completed (elapsed 0.000 seconds)\n[   23.309766] OOM killer disabled.\n[   23.313027] Freezing remaining freezable tasks\n[   23.318540] Freezing remaining freezable tasks completed (elapsed 0.001 seconds)\n[   23.342038] serial 00:05: disabled\n[   23.345719] serial 00:02: disabled\n[   23.349342] serial 00:01: disabled\n[   23.353782] sd 0:0:0:0: [sda] Synchronizing SCSI cache\n[   23.358993] sd 1:0:0:0: [sdb] Synchronizing SCSI cache\n[   23.361635] ata1.00: Entering standby power mode\n[   23.368863] ata2.00: Entering standby power mode\n[   23.445187] BUG: kernel NULL pointer dereference, address: 0000000000000000\n[   23.452194] #PF: supervisor instruction fetch in kernel mode\n[   23.457896] #PF: error_code(0x0010) - not-present page\n[   23.463065] PGD 0 P4D 0\n[   23.465640] Oops: Oops: 0010 [#1] SMP NOPTI\n[   23.469869] CPU: 8 UID: 0 PID: 211 Comm: kworker/u48:18 Tainted: G S      W           6.19.0-rc4-00020-gf0b9d8eb98df #10 PREEMPT(voluntary)\n[   23.482512] Tainted: [S]=CPU_OUT_OF_SPEC, [W]=WARN\n[   23.496511] Workqueue: async async_run_entry_fn\n[   23.501087] RIP: 0010:0x0\n[   23.503755] Code: Unable to access opcode bytes at 0xffffffffffffffd6.\n[   23.510324] RSP: 0018:ffffb4a60065fca8 EFLAGS: 00010246\n[   23.515592] RAX: 0000000000000000 RBX: ffff9f428290e000 RCX: 000000000000000f\n[   23.522765] RDX: 0000000000000000 RSI: 0000000000000282 RDI: ffff9f428290e000\n[   23.529937] RBP: ffff9f4282907070 R08: ffff9f4281130428 R09: 00000000ffffffff\n[   23.537111] R10: 0000000000000000 R11: 0000000000000001 R12: ffff9f42829070f8\n[   23.544284] R13: ffff9f4282906028 R14: ffff9f4282900000 R15: ffff9f4282906b68\n[   23.551457] FS:  0000000000000000(0000) GS:ffff9f466b2cf000(0000) knlGS:0000000000000000\n[   23.559588] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n[   23.565365] CR2: ffffffffffffffd6 CR3: 000000031c230001 CR4: 0000000000f70ef0\n[   23.572539] PKRU: 55555554\n[   23.575281] Call Trace:\n[   23.577770]  <TASK>\n[   23.579905]  intel_engines_reset_default_submission+0x42/0x60\n[   23.585695]  __intel_gt_unset_wedged+0x191/0x200\n[   23.590360]  intel_gt_unset_wedged+0x20/0x40\n[   23.594675]  gt_sanitize+0x15e/0x170\n[   23.598290]  i915_gem_suspend_late+0x6b/0x180\n[   23.602692]  i915_drm_suspend_late+0x35/0xf0\n[   23.607008]  ? __pfx_pci_pm_suspend_late+0x10/0x10\n[   23.611843]  dpm_run_callback+0x78/0x1c0\n[   23.615817]  device_suspend_late+0xde/0x2e0\n[   23.620037]  async_suspend_late+0x18/0x30\n[   23.624082]  async_run_entry_fn+0x25/0xa0\n[   23.628129]  process_one_work+0x15b/0x380\n[   23.632182]  worker_thread+0x2a5/0x3c0\n[   23.635973]  ? __pfx_worker_thread+0x10/0x10\n[   23.640279]  kthread+0xf6/0x1f0\n[   23.643464]  ? __pfx_kthread+0x10/0x10\n[   23.647263]  ? __pfx_kthread+0x10/0x10\n[   23.651045]  ret_from_fork+0x131/0x190\n[   23.654837]  ? __pfx_kthread+0x10/0x10\n[   23.658634]  ret_from_fork_asm+0x1a/0x30\n[   23.662597]  </TASK>\n[   23.664826] Modules linked in:\n[   23.667914] CR2: 0000000000000000\n[   23.671271] ------------[ cut here ]------------\n\n(cherry picked from commit daa199abc3d3d1740c9e3a2c3e9216ae5b447cad)",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "ff44ad51ebf8e4693bd66ae41aa37a6bc88a134f",
              "status": "affected",
              "versionType": "git",
              "lessThan": "db8b1bebe81ffb410ddd746b6869f72e22420850"
            },
            {
              "version": "ff44ad51ebf8e4693bd66ae41aa37a6bc88a134f",
              "status": "affected",
              "versionType": "git",
              "lessThan": "da6552d67012a1cf0585f2eb401d0c4abcf108c9"
            },
            {
              "version": "ff44ad51ebf8e4693bd66ae41aa37a6bc88a134f",
              "status": "affected",
              "versionType": "git",
              "lessThan": "df1f4a7d9cf689b4e96c95255228896505f44c31"
            },
            {
              "version": "ff44ad51ebf8e4693bd66ae41aa37a6bc88a134f",
              "status": "affected",
              "versionType": "git",
              "lessThan": "2e20a886b443a71b573ceaed3ca7053d15380916"
            },
            {
              "version": "ff44ad51ebf8e4693bd66ae41aa37a6bc88a134f",
              "status": "affected",
              "versionType": "git",
              "lessThan": "cf4b224ffb9a58181be32b64130fc36cf59c3192"
            },
            {
              "version": "ff44ad51ebf8e4693bd66ae41aa37a6bc88a134f",
              "status": "affected",
              "versionType": "git",
              "lessThan": "1a16150729db8d997e39519f9d58e6b435c4c087"
            },
            {
              "version": "ff44ad51ebf8e4693bd66ae41aa37a6bc88a134f",
              "status": "affected",
              "versionType": "git",
              "lessThan": "0162ab3220bac870e43e229e6e3024d1a21c3f26"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "4.12",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "4.12"
            },
            {
              "version": "5.15.203",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.167",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.6.130",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.78",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.18.20",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "version": "6.19.10",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.19.*"
            },
            {
              "version": "7.0",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}