{
  "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-2023-52816",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2023-52816",
    "idYear": 2023,
    "status": "PUBLISHED",
    "publishedAt": "2024-05-21T15:31:23.567Z",
    "updatedAt": "2026-05-11T19:33:39.895Z",
    "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/amdkfd: Fix shift out-of-bounds issue",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdkfd: Fix shift out-of-bounds issue\n\n[  567.613292] shift exponent 255 is too large for 64-bit type 'long unsigned int'\n[  567.614498] CPU: 5 PID: 238 Comm: kworker/5:1 Tainted: G           OE      6.2.0-34-generic #34~22.04.1-Ubuntu\n[  567.614502] Hardware name: AMD Splinter/Splinter-RPL, BIOS WS43927N_871 09/25/2023\n[  567.614504] Workqueue: events send_exception_work_handler [amdgpu]\n[  567.614748] Call Trace:\n[  567.614750]  <TASK>\n[  567.614753]  dump_stack_lvl+0x48/0x70\n[  567.614761]  dump_stack+0x10/0x20\n[  567.614763]  __ubsan_handle_shift_out_of_bounds+0x156/0x310\n[  567.614769]  ? srso_alias_return_thunk+0x5/0x7f\n[  567.614773]  ? update_sd_lb_stats.constprop.0+0xf2/0x3c0\n[  567.614780]  svm_range_split_by_granularity.cold+0x2b/0x34 [amdgpu]\n[  567.615047]  ? srso_alias_return_thunk+0x5/0x7f\n[  567.615052]  svm_migrate_to_ram+0x185/0x4d0 [amdgpu]\n[  567.615286]  do_swap_page+0x7b6/0xa30\n[  567.615291]  ? srso_alias_return_thunk+0x5/0x7f\n[  567.615294]  ? __free_pages+0x119/0x130\n[  567.615299]  handle_pte_fault+0x227/0x280\n[  567.615303]  __handle_mm_fault+0x3c0/0x720\n[  567.615311]  handle_mm_fault+0x119/0x330\n[  567.615314]  ? lock_mm_and_find_vma+0x44/0x250\n[  567.615318]  do_user_addr_fault+0x1a9/0x640\n[  567.615323]  exc_page_fault+0x81/0x1b0\n[  567.615328]  asm_exc_page_fault+0x27/0x30\n[  567.615332] RIP: 0010:__get_user_8+0x1c/0x30",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "42de677f79999791bee4e21be318c32d90ab62c6",
              "status": "affected",
              "versionType": "git",
              "lessThan": "3f7a400d5e80f99581e3e8a9843e1f6118bf454f"
            },
            {
              "version": "42de677f79999791bee4e21be318c32d90ab62c6",
              "status": "affected",
              "versionType": "git",
              "lessThan": "2806f880379232e789957c2078d612669eb7a69c"
            },
            {
              "version": "42de677f79999791bee4e21be318c32d90ab62c6",
              "status": "affected",
              "versionType": "git",
              "lessThan": "d33a35b13cbfec3238043f196fa87a6384f9d087"
            },
            {
              "version": "42de677f79999791bee4e21be318c32d90ab62c6",
              "status": "affected",
              "versionType": "git",
              "lessThan": "56649c43d40ce0147465a2d5756d300e87f9ee1c"
            },
            {
              "version": "42de677f79999791bee4e21be318c32d90ab62c6",
              "status": "affected",
              "versionType": "git",
              "lessThan": "282c1d793076c2edac6c3db51b7e8ed2b41d60a5"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "5.14",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "5.14"
            },
            {
              "version": "5.15.140",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.64",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.5.13",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.5.*"
            },
            {
              "version": "6.6.3",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.7",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}