{
  "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-2023-53352",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2023-53352",
    "idYear": 2023,
    "status": "PUBLISHED",
    "publishedAt": "2025-09-17T14:56:42.698Z",
    "updatedAt": "2026-05-11T19:43:17.266Z",
    "importedAt": "2026-10-24T01:57:03.413Z",
    "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/ttm: check null pointer before accessing when swapping",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/ttm: check null pointer before accessing when swapping\n\nAdd a check to avoid null pointer dereference as below:\n\n[   90.002283] general protection fault, probably for non-canonical\naddress 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN NOPTI\n[   90.002292] KASAN: null-ptr-deref in range\n[0x0000000000000000-0x0000000000000007]\n[   90.002346]  ? exc_general_protection+0x159/0x240\n[   90.002352]  ? asm_exc_general_protection+0x26/0x30\n[   90.002357]  ? ttm_bo_evict_swapout_allowable+0x322/0x5e0 [ttm]\n[   90.002365]  ? ttm_bo_evict_swapout_allowable+0x42e/0x5e0 [ttm]\n[   90.002373]  ttm_bo_swapout+0x134/0x7f0 [ttm]\n[   90.002383]  ? __pfx_ttm_bo_swapout+0x10/0x10 [ttm]\n[   90.002391]  ? lock_acquire+0x44d/0x4f0\n[   90.002398]  ? ttm_device_swapout+0xa5/0x260 [ttm]\n[   90.002412]  ? lock_acquired+0x355/0xa00\n[   90.002416]  ? do_raw_spin_trylock+0xb6/0x190\n[   90.002421]  ? __pfx_lock_acquired+0x10/0x10\n[   90.002426]  ? ttm_global_swapout+0x25/0x210 [ttm]\n[   90.002442]  ttm_device_swapout+0x198/0x260 [ttm]\n[   90.002456]  ? __pfx_ttm_device_swapout+0x10/0x10 [ttm]\n[   90.002472]  ttm_global_swapout+0x75/0x210 [ttm]\n[   90.002486]  ttm_tt_populate+0x187/0x3f0 [ttm]\n[   90.002501]  ttm_bo_handle_move_mem+0x437/0x590 [ttm]\n[   90.002517]  ttm_bo_validate+0x275/0x430 [ttm]\n[   90.002530]  ? __pfx_ttm_bo_validate+0x10/0x10 [ttm]\n[   90.002544]  ? kasan_save_stack+0x33/0x60\n[   90.002550]  ? kasan_set_track+0x25/0x30\n[   90.002554]  ? __kasan_kmalloc+0x8f/0xa0\n[   90.002558]  ? amdgpu_gtt_mgr_new+0x81/0x420 [amdgpu]\n[   90.003023]  ? ttm_resource_alloc+0xf6/0x220 [ttm]\n[   90.003038]  amdgpu_bo_pin_restricted+0x2dd/0x8b0 [amdgpu]\n[   90.003210]  ? __x64_sys_ioctl+0x131/0x1a0\n[   90.003210]  ? do_syscall_64+0x60/0x90",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "8996b13051f0c211aaaf243dfd270003f1b67431",
              "status": "affected",
              "versionType": "git",
              "lessThan": "d39971d902d067b4dc366981b75b17c8c57ed5d1"
            },
            {
              "version": "da60170558b956c1b45dee1c4423da2425037426",
              "status": "affected",
              "versionType": "git",
              "lessThan": "8089eb93d6787dbf348863e935698b4610d90321"
            },
            {
              "version": "17e188e0feb008bab5f4b083083dff7cdc633ca1",
              "status": "affected",
              "versionType": "git",
              "lessThan": "1fdd16d89c01336d9a942b5f03673c17d401da87"
            },
            {
              "version": "c24d051e6b48015e32f1361cdf67e1784dd14a9f",
              "status": "affected",
              "versionType": "git",
              "lessThan": "49b3b979e79faef129605018ad82aa0f2258f2f7"
            },
            {
              "version": "a2848d08742c8e8494675892c02c0d22acbe3cf8",
              "status": "affected",
              "versionType": "git",
              "lessThan": "2dedcf414bb01b8d966eb445db1d181d92304fb2"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "5.15.124",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "5.15.126"
            },
            {
              "version": "6.1.43",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "6.1.45"
            },
            {
              "version": "6.4.8",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "6.4.10"
            }
          ]
        }
      ]
    }
  }
}