CVE-2023-54202

{
  "id": "CVE-2023-54202",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "published": "2025-12-30T13:16:08.313",
  "lastModified": "2026-10-28T19:10:00.193",
  "vulnStatus": "Deferred",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/i915: fix race condition UAF in i915_perf_add_config_ioctl\n\nUserspace can guess the id value and try to race oa_config object creation\nwith config remove, resulting in a use-after-free if we dereference the\nobject after unlocking the metrics_lock.  For that reason, unlocking the\nmetrics_lock must be done after we are done dereferencing the object.\n\n[tursulin: Manually added stable tag.]\n(cherry picked from commit 49f6f6483b652108bcb73accd0204a464b922395)"
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad:\n\ndrm/i915: corrección de la condición de carrera de uso después de liberación en i915_perf_add_config_ioctl\n\nEl espacio de usuario puede adivinar el valor del id e intentar competir con la creación del objeto oa_config con la eliminación de la configuración, lo que resulta en un uso después de liberación si desreferenciamos el objeto después de desbloquear el metrics_lock. Por esa razón, el desbloqueo del metrics_lock debe realizarse después de que hayamos terminado de desreferenciar el objeto.\n\n[tursulin: Etiqueta estable añadida manualmente.]\n(extraído del commit 49f6f6483b652108bcb73accd0204a464b922395)"
    }
  ],
  "affected": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "affectedData": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "programFiles": [
            "drivers/gpu/drm/i915/i915_perf.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "versions": [
            {
              "version": "f89823c212246d0671cc51e69894a3df1a743aee",
              "lessThan": "6eeb1cba4c9dc47656ea328afa34953c28783d8c",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "f89823c212246d0671cc51e69894a3df1a743aee",
              "lessThan": "240b1502708858b5e3f10b6dc5ca3f148a322fef",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "f89823c212246d0671cc51e69894a3df1a743aee",
              "lessThan": "7eb98f5ac551863efe8be810cea1cd5411d677b1",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "f89823c212246d0671cc51e69894a3df1a743aee",
              "lessThan": "dc30c011469165d57af9adac5baff7d767d20e5c",
              "versionType": "git",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "programFiles": [
            "drivers/gpu/drm/i915/i915_perf.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "versions": [
            {
              "version": "4.14",
              "status": "affected"
            },
            {
              "version": "0",
              "lessThan": "4.14",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "5.15.108",
              "lessThanOrEqual": "5.15.*",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "6.1.24",
              "lessThanOrEqual": "6.1.*",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "6.2.11",
              "lessThanOrEqual": "6.2.*",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "6.3",
              "lessThanOrEqual": "*",
              "versionType": "original_commit_for_fix",
              "status": "unaffected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "baseScore": 7.8,
          "baseSeverity": "HIGH",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 5.9
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-10-15T21:39:18.311903Z",
          "id": "CVE-2023-54202",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/240b1502708858b5e3f10b6dc5ca3f148a322fef",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/6eeb1cba4c9dc47656ea328afa34953c28783d8c",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/7eb98f5ac551863efe8be810cea1cd5411d677b1",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/dc30c011469165d57af9adac5baff7d767d20e5c",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ]
}