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CVE-2023-54146

Estado: AplazadaSin puntuar—

In the Linux kernel, the following vulnerability has been resolved:

x86/kexec: Fix double-free of elf header buffer

After

freeing image->elf_headers in the error path of crash_load_segments() is not needed because kimage_file_post_load_cleanup() will take care of that later. And not clearing it could result in a double-free.

Drop the superfluous vfree() call at the error path of crash_load_segments().

Detalles técnicos trazas, registros y código del informe original
  b3e34a47f989 ("x86/kexec: fix memory leak of elf header buffer"),

CVSS

NVD no ha asignado puntuación CVSS a esta CVE (habitual desde el cambio de política de abril de 2026).

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2023-54146",
  "cveTags": [],
  "metrics": {},
  "affected": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "affectedData": [
        {
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "product": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "23cf39dccf7653650701a6f39b119e9116a27f1a",
              "lessThan": "4c71a552b97fb4f46eb300224434fe56fcf4f254",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "8765a423a87d74ef24ea02b43b2728fe4039f248",
              "lessThan": "554a880a1fff46dd5a355dec21cd77d542a0ddf2",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "b3e34a47f98974d0844444c5121aaff123004e57",
              "lessThan": "fbdbf8ac333d3d47c0d9ea81d7d445654431d100",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "b3e34a47f98974d0844444c5121aaff123004e57",
              "lessThan": "5bd3c7abeb69fb4133418b846a1c6dc11313d6f0",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "b3e34a47f98974d0844444c5121aaff123004e57",
              "lessThan": "d00dd2f2645dca04cf399d8fc692f3f69b6dd996",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "115ee42a4c2f26ba2b4ace2668a3f004621f6833",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "f675e3a9189d84a9324ab45b0cb19906c2bc8fcb",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "5.15.46",
              "lessThan": "5.15.87",
              "versionType": "semver"
            },
            {
              "status": "affected",
              "version": "5.17.14",
              "lessThan": "5.18",
              "versionType": "semver"
            },
            {
              "status": "affected",
              "version": "5.18.3",
              "lessThan": "5.19",
              "versionType": "semver"
            }
          ],
          "programFiles": [
            "arch/x86/kernel/crash.c"
          ],
          "defaultStatus": "unaffected"
        },
        {
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "product": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.19"
            },
            {
              "status": "unaffected",
              "version": "0",
              "lessThan": "5.19",
              "versionType": "semver"
            },
            {
              "status": "unaffected",
              "version": "5.15.87",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "status": "unaffected",
              "version": "6.0.19",
              "versionType": "semver",
              "lessThanOrEqual": "6.0.*"
            },
            {
              "status": "unaffected",
              "version": "6.1.5",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "status": "unaffected",
              "version": "6.2",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ],
          "programFiles": [
            "arch/x86/kernel/crash.c"
          ],
          "defaultStatus": "affected"
        }
      ]
    }
  ],
  "published": "2025-12-24T13:16:16.607",
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/4c71a552b97fb4f46eb300224434fe56fcf4f254",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/554a880a1fff46dd5a355dec21cd77d542a0ddf2",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/5bd3c7abeb69fb4133418b846a1c6dc11313d6f0",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/d00dd2f2645dca04cf399d8fc692f3f69b6dd996",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/fbdbf8ac333d3d47c0d9ea81d7d445654431d100",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "vulnStatus": "Deferred",
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nx86/kexec: Fix double-free of elf header buffer\n\nAfter\n\n  b3e34a47f989 (\"x86/kexec: fix memory leak of elf header buffer\"),\n\nfreeing image->elf_headers in the error path of crash_load_segments()\nis not needed because kimage_file_post_load_cleanup() will take\ncare of that later. And not clearing it could result in a double-free.\n\nDrop the superfluous vfree() call at the error path of\ncrash_load_segments()."
    }
  ],
  "lastModified": "2026-06-17T06:46:53.167",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}