{
  "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-2024-49942",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2024-49942",
    "idYear": 2024,
    "status": "PUBLISHED",
    "publishedAt": "2024-10-21T18:02:01.043Z",
    "updatedAt": "2026-05-11T20:42:24.872Z",
    "importedAt": "2026-10-24T01:57:16.009Z",
    "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/xe: Prevent null pointer access in xe_migrate_copy",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/xe: Prevent null pointer access in xe_migrate_copy\n\nxe_migrate_copy designed to copy content of TTM resources. When source\nresource is null, it will trigger a NULL pointer dereference in\nxe_migrate_copy. To avoid this situation, update lacks source flag to\ntrue for this case, the flag will trigger xe_migrate_clear rather than\nxe_migrate_copy.\n\nIssue trace:\n<7> [317.089847] xe 0000:00:02.0: [drm:xe_migrate_copy [xe]] Pass 14,\n sizes: 4194304 & 4194304\n<7> [317.089945] xe 0000:00:02.0: [drm:xe_migrate_copy [xe]] Pass 15,\n sizes: 4194304 & 4194304\n<1> [317.128055] BUG: kernel NULL pointer dereference, address:\n 0000000000000010\n<1> [317.128064] #PF: supervisor read access in kernel mode\n<1> [317.128066] #PF: error_code(0x0000) - not-present page\n<6> [317.128069] PGD 0 P4D 0\n<4> [317.128071] Oops: Oops: 0000 [#1] PREEMPT SMP NOPTI\n<4> [317.128074] CPU: 1 UID: 0 PID: 1440 Comm: kunit_try_catch Tainted:\n G     U           N 6.11.0-rc7-xe #1\n<4> [317.128078] Tainted: [U]=USER, [N]=TEST\n<4> [317.128080] Hardware name: Intel Corporation Lunar Lake Client\n Platform/LNL-M LP5 RVP1, BIOS LNLMFWI1.R00.3221.D80.2407291239 07/29/2024\n<4> [317.128082] RIP: 0010:xe_migrate_copy+0x66/0x13e0 [xe]\n<4> [317.128158] Code: 00 00 48 89 8d e0 fe ff ff 48 8b 40 10 4c 89 85 c8\n fe ff ff 44 88 8d bd fe ff ff 65 48 8b 3c 25 28 00 00 00 48 89 7d d0 31\n ff <8b> 79 10 48 89 85 a0 fe ff ff 48 8b 00 48 89 b5 d8 fe ff ff 83 ff\n<4> [317.128162] RSP: 0018:ffffc9000167f9f0 EFLAGS: 00010246\n<4> [317.128164] RAX: ffff8881120d8028 RBX: ffff88814d070428 RCX:\n 0000000000000000\n<4> [317.128166] RDX: ffff88813cb99c00 RSI: 0000000004000000 RDI:\n 0000000000000000\n<4> [317.128168] RBP: ffffc9000167fbb8 R08: ffff88814e7b1f08 R09:\n 0000000000000001\n<4> [317.128170] R10: 0000000000000001 R11: 0000000000000001 R12:\n ffff88814e7b1f08\n<4> [317.128172] R13: ffff88814e7b1f08 R14: ffff88813cb99c00 R15:\n 0000000000000001\n<4> [317.128174] FS:  0000000000000000(0000) GS:ffff88846f280000(0000)\n knlGS:0000000000000000\n<4> [317.128176] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n<4> [317.128178] CR2: 0000000000000010 CR3: 000000011f676004 CR4:\n 0000000000770ef0\n<4> [317.128180] DR0: 0000000000000000 DR1: 0000000000000000 DR2:\n 0000000000000000\n<4> [317.128182] DR3: 0000000000000000 DR6: 00000000ffff07f0 DR7:\n 0000000000000400\n<4> [317.128184] PKRU: 55555554\n<4> [317.128185] Call Trace:\n<4> [317.128187]  <TASK>\n<4> [317.128189]  ? show_regs+0x67/0x70\n<4> [317.128194]  ? __die_body+0x20/0x70\n<4> [317.128196]  ? __die+0x2b/0x40\n<4> [317.128198]  ? page_fault_oops+0x15f/0x4e0\n<4> [317.128203]  ? do_user_addr_fault+0x3fb/0x970\n<4> [317.128205]  ? lock_acquire+0xc7/0x2e0\n<4> [317.128209]  ? exc_page_fault+0x87/0x2b0\n<4> [317.128212]  ? asm_exc_page_fault+0x27/0x30\n<4> [317.128216]  ? xe_migrate_copy+0x66/0x13e0 [xe]\n<4> [317.128263]  ? __lock_acquire+0xb9d/0x26f0\n<4> [317.128265]  ? __lock_acquire+0xb9d/0x26f0\n<4> [317.128267]  ? sg_free_append_table+0x20/0x80\n<4> [317.128271]  ? lock_acquire+0xc7/0x2e0\n<4> [317.128273]  ? mark_held_locks+0x4d/0x80\n<4> [317.128275]  ? trace_hardirqs_on+0x1e/0xd0\n<4> [317.128278]  ? _raw_spin_unlock_irqrestore+0x31/0x60\n<4> [317.128281]  ? __pm_runtime_resume+0x60/0xa0\n<4> [317.128284]  xe_bo_move+0x682/0xc50 [xe]\n<4> [317.128315]  ? lock_is_held_type+0xaa/0x120\n<4> [317.128318]  ttm_bo_handle_move_mem+0xe5/0x1a0 [ttm]\n<4> [317.128324]  ttm_bo_validate+0xd1/0x1a0 [ttm]\n<4> [317.128328]  shrink_test_run_device+0x721/0xc10 [xe]\n<4> [317.128360]  ? find_held_lock+0x31/0x90\n<4> [317.128363]  ? lock_release+0xd1/0x2a0\n<4> [317.128365]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10\n [kunit]\n<4> [317.128370]  xe_bo_shrink_kunit+0x11/0x20 [xe]\n<4> [317.128397]  kunit_try_run_case+0x6e/0x150 [kunit]\n<4> [317.128400]  ? trace_hardirqs_on+0x1e/0xd0\n<4> [317.128402]  ? _raw_spin_unlock_irqrestore+0x31/0x60\n<4> [317.128404]  kunit_generic_run_threadfn_adapter+0x1e/0x40 [ku\n---truncated---",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "266c85885263022954928b125d46ab7a78c77a69",
              "status": "affected",
              "versionType": "git",
              "lessThan": "16e0267db156f8a4ea16bfb3ac3f5743c9698df3"
            },
            {
              "version": "266c85885263022954928b125d46ab7a78c77a69",
              "status": "affected",
              "versionType": "git",
              "lessThan": "8f5199b6971f0717c2d31685953971fa2e1b9e1a"
            },
            {
              "version": "266c85885263022954928b125d46ab7a78c77a69",
              "status": "affected",
              "versionType": "git",
              "lessThan": "7257d9c9a3c6cfe26c428e9b7ae21d61f2f55a79"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "6.8",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "6.8"
            },
            {
              "version": "6.10.14",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.10.*"
            },
            {
              "version": "6.11.3",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.11.*"
            },
            {
              "version": "6.12",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}